tag:blogger.com,1999:blog-28161609483299401122024-03-14T03:21:27.734-07:00Cor aplicada aos sistemas digitaisAplicações Informáticas- AShttp://www.blogger.com/profile/10513288507826651841noreply@blogger.comBlogger8125tag:blogger.com,1999:blog-2816160948329940112.post-36886207017826348752011-02-16T03:13:00.000-08:002011-02-16T03:14:56.724-08:00Modelo YUV e as suas aplicações<div class="MsoNormal" style="margin: 0cm 0cm 10pt; text-align: justify; text-indent: 35.4pt;"><span style="font-size: 12pt; line-height: 115%;"><span style="font-family: Calibri;">O modelo YUV tem em conta a característica que nenhum dos modelos RGB, CMYK e HSV, ou seja, uma propriedade da visão humana que é mais sensível às mudanças de intensidade da luz do que da cor.</span></span></div><div class="MsoNormal" style="margin: 0cm 0cm 10pt; text-align: justify; text-indent: 35.4pt;"><span style="font-size: 12pt; line-height: 115%;"><span style="font-family: Calibri;">Este modelo foi criado a par do desenvolvimento da transmissão de sinais de cor de televisão, baseado na luminância permite transmitir componentes de cor em menos tempo do que seria necessário se fosse utilizado o modelo RGB. Ao mesmo tempo o modelo YUV permite transmitir imagens a preto e branco como de cor de forma independente, o modelo YUV guarda a informação de luminância separada da informação de crominância ou cor. </span></span></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhHZB0BGc7eU8Egzd4fh_YMCh_IifrZIeifKkghayQPNntvS84sVbCrBeSXg93mfjo2_VwqI2h8Zv-d2Tg4dpdtx8shsrRFfkbZMUftdBNmFHtV41E6bthWu44NuPT34JSL-IkERESAzsTx/s1600/Imagem10.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="199" j6="true" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhHZB0BGc7eU8Egzd4fh_YMCh_IifrZIeifKkghayQPNntvS84sVbCrBeSXg93mfjo2_VwqI2h8Zv-d2Tg4dpdtx8shsrRFfkbZMUftdBNmFHtV41E6bthWu44NuPT34JSL-IkERESAzsTx/s200/Imagem10.jpg" width="200" /></a></div><br />
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<strong><span style="color: black; font-family: Georgia, "Times New Roman", serif; font-size: large;">Aplicações do modelo YUV</span></strong><br />
<div class="MsoNormal" style="margin: 0cm 0cm 10pt; text-align: justify; text-indent: 35.4pt;"><span style="font-size: 12pt; line-height: 115%;"><span style="font-family: Calibri;">Assim, graças a este modelo é possível representar uma imagem a preto e branco utilizando apenas a luminância e reduzindo bastante a informação que seria necessário no outro modelo. </span></span></div><div class="MsoNormal" style="margin: 0cm 0cm 10pt; text-align: justify; text-indent: 35.4pt;"><span style="font-size: 12pt; line-height: 115%;"><span style="font-family: Calibri;">O Modelo YUV é adequando às televisões a cores porque permite enviar a informação da cor separada da informação de luminância, é adequado para sinais de vídeo e permite também uma boa compressão dos dados, porque alguma informação de crominância pode ser retirada sem implicar grandes perdas na qualidade da imagem.</span></span></div>Aplicações Informáticas- AShttp://www.blogger.com/profile/10513288507826651841noreply@blogger.com0tag:blogger.com,1999:blog-2816160948329940112.post-54366270055999175862011-02-16T03:10:00.000-08:002011-02-16T03:16:48.186-08:00Modelo HSV e as suas aplicações<div style="text-align: justify;"> <span style="font-size: 12pt; line-height: 115%;"><span style="font-family: Calibri;">O <b style="mso-bidi-font-weight: normal;">modelo HSV</b> é definido pelas usa grandezas tonalidade, saturação e valor, o qual representa a luminosidade ou o brilho de uma cor.</span></span></div><div style="text-align: justify;"><span style="font-family: Calibri;"><span style="font-size: 12pt; line-height: 115%;"><span style="font-family: Times New Roman;"> </span></span><span style="font-size: 12pt; line-height: 115%;">A <b style="mso-bidi-font-weight: normal;">Tonalidade </b>é a cor pura com saturação e luminosidade máximas, permitindo fazer a distinção das várias cores puras e exprime-se num valor angular entre 0 e 360 graus.</span></span></div><div style="text-align: justify;"><span style="font-size: 12pt; line-height: 115%;"> </span><span style="font-size: 12pt; line-height: 115%;"><span style="font-family: Calibri;">A <b style="mso-bidi-font-weight: normal;">Saturação</b> indica o maior ou menor intensidade da tonalidade, isto é, se a cor é pura ou esbatida. Uma cor saturada ou pura não contém a cor preta nem a branca. Desta forma a saturação é utilizada para descrever quão viva ou pura +e a cor e em termos técnicos descreva a quantidade de cinzas numa cor.</span></span></div><div class="MsoNormal" style="margin: 0cm 0cm 0pt; text-align: justify; text-indent: 35.4pt;"><span style="font-size: 12pt; line-height: 115%;"><span style="font-family: Calibri;">O <b style="mso-bidi-font-weight: normal;">Valor</b> traduz a luminosidade ou o brilho de uma cor, isto é, se uma cor é mais clara ou mais escura, indicando a quantidade de luz que a mesma contém. O termo luminosidade está relacionado com a luz reflectida, enquanto que o termo brilho está relacionado com a luz emitida.</span></span></div><div class="MsoNormal" style="margin: 0cm 0cm 0pt; text-align: justify; text-indent: 35.4pt;"><span style="font-size: 12pt; line-height: 115%;"><span style="font-family: Calibri;">Pode-se concluir que a tonalidade e a saturação são elementos de crominância pois fornecem a informação relativa à cor; a percepção da luminosidade e do brilho são elementos de luminância.</span></span></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgG41zcaX0awyfjuEej6nvBuGEaRhIshAr7PJ6D_KW0H0ZQNCh2GlXpfqcnBdYKdJzgmftGK7BYSzkYwaSCDQNZAsrwa1s8X9uTJaob4zSX3Z-ygN2uoZ5qNjuUhjIOXevLdZuGAAcsA3Cx/s1600/Imagem9.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" j6="true" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgG41zcaX0awyfjuEej6nvBuGEaRhIshAr7PJ6D_KW0H0ZQNCh2GlXpfqcnBdYKdJzgmftGK7BYSzkYwaSCDQNZAsrwa1s8X9uTJaob4zSX3Z-ygN2uoZ5qNjuUhjIOXevLdZuGAAcsA3Cx/s1600/Imagem9.jpg" /></a></div><div class="separator" style="clear: both; text-align: center;"><br />
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</div><div class="separator" style="clear: both; text-align: left;"><strong><span style="font-family: Georgia, "Times New Roman", serif; font-size: large;">Aplicações do modelo HSV </span></strong></div><div align="left" class="separator" style="clear: both; text-align: center;"><br />
</div><div class="separator" style="clear: both; text-align: justify;"> <span style="font-size: 12pt; line-height: 115%;"><span style="font-family: Calibri;">Este modelo baseia-se na percepção humana da cor do ponto de vista dos artistas plásticos, estes para obterem as várias cores das suas pinturas combinam a tonalidade com elementos de brilho e saturação, é mais fácil manusear as cores em função de tons e sombras do que apenas combinações de vermelho, verde e azul.</span></span></div><div style="text-align: justify;"></div>Aplicações Informáticas- AShttp://www.blogger.com/profile/10513288507826651841noreply@blogger.com0tag:blogger.com,1999:blog-2816160948329940112.post-17135856371213221282011-02-16T03:03:00.000-08:002011-02-16T03:17:30.418-08:00Modelo CMYK e as suas aplicações<div class="MsoNoSpacing" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-size: 12pt;"><span style="font-family: Calibri;"> O <b style="mso-bidi-font-weight: normal;">modelo CMYK</b> é constituído a partir do modelo CMY em que foi acrescentado a cor preta. O Modelo CMY é um modelo subtractivo, descrevendo as cores como uma combinação das três cores primárias ciano, magenta e amarelo. A cor preta foi adicionada ao modelo por ser mais fácil a sua obtenção quando impressa em papel do que recorrendo á mistura de cores.</span></span></div><div class="MsoNoSpacing" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: Calibri;"><span style="font-size: 12pt;"> </span><span style="font-size: 12pt;">Este modelo baseia-se na forma como a Natureza cria as suas cores quando reflecte parte do espectro de luz e absorve outros. </span></span></div><div class="MsoNoSpacing" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: Calibri;"><span style="font-size: 12pt;"> </span></span><span style="font-size: 12pt;"><span style="font-family: Calibri;">É considerado um modelo subtractivo, porque as cores são criadas para redução de outras á luz que incide na superfície de um objecto. </span></span></div><div class="MsoNoSpacing" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: Calibri;"><span style="font-size: 12pt;"> </span><span style="font-size: 12pt;">As cores primárias do modelo CMYK são as cores secundárias do RBG e as cores primárias de RDB são as cores secundárias de CMY.</span></span></div><div class="MsoNoSpacing" style="margin: 0cm 0cm 0pt; text-align: justify;"><br />
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</div><div align="center" class="MsoNoSpacing" style="margin: 0cm 0cm 0pt; text-align: center;"><span style="font-family: "Arial", "sans-serif"; font-size: 10pt; mso-fareast-language: PT; mso-no-proof: yes;"><shapetype coordsize="21600,21600" filled="f" id="_x0000_t75" o:preferrelative="t" o:spt="75" path="m@4@5l@4@11@9@11@9@5xe" stroked="f"><stroke joinstyle="miter"></stroke><formulas><f eqn="if lineDrawn pixelLineWidth 0"></f><f eqn="sum @0 1 0"></f><f eqn="sum 0 0 @1"></f><f eqn="prod @2 1 2"></f><f eqn="prod @3 21600 pixelWidth"></f><f eqn="prod @3 21600 pixelHeight"></f><f eqn="sum @0 0 1"></f><f eqn="prod @6 1 2"></f><f eqn="prod @7 21600 pixelWidth"></f><f eqn="sum @8 21600 0"></f><f eqn="prod @7 21600 pixelHeight"></f><f eqn="sum @10 21600 0"></f></formulas><path gradientshapeok="t" o:connecttype="rect" o:extrusionok="f"></path><lock aspectratio="t" v:ext="edit"></lock></shapetype></span></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgGhhq1NOi6cazFsDJ-HarIklKJ1sU-Re5DCXyddqvNHk-p-W5FVBdrh67-SjJPDAhp3Oe8_ZkkQJHL5QhlaWjwJ5NRG3gugi63iHXjFHCZMrdzkhZrbVdHRe7nwm3p7koNTXSikWvdDx0y/s1600/Imagem8.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="200" j6="true" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgGhhq1NOi6cazFsDJ-HarIklKJ1sU-Re5DCXyddqvNHk-p-W5FVBdrh67-SjJPDAhp3Oe8_ZkkQJHL5QhlaWjwJ5NRG3gugi63iHXjFHCZMrdzkhZrbVdHRe7nwm3p7koNTXSikWvdDx0y/s200/Imagem8.jpg" width="197" /></a></div><div class="MsoNoSpacing" style="margin: 0cm 0cm 0pt;"><br />
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<span style="font-family: Georgia, "Times New Roman", serif; font-size: large;"><strong>Aplicações do modelo CMYK</strong></span></div><div class="MsoNoSpacing" style="margin: 0cm 0cm 0pt;"><span style="font-size: 12pt;"><span style="font-family: Calibri;"> O modelo CMYK é utilizado na impressão em papel, empregando as cores do modelo CMY e a tinta preta (K) para realçar melhor os tons de preto e cinza.</span></span></div><div class="MsoNoSpacing" style="margin: 0cm 0cm 0pt;"><span style="font-family: Calibri;"><span style="font-size: 12pt;"> </span><span style="font-size: 12pt;">Este modelo utiliza-se em impressoras, fotocopiadoras, pintura e fotografia, onde os pigmentos de cor das superfícies dos objectos absorvem certas cores e reflectem outras.</span></span></div><div class="MsoNormal" style="margin: 0cm 0cm 10pt;"><br />
</div><div align="center"></div>Aplicações Informáticas- AShttp://www.blogger.com/profile/10513288507826651841noreply@blogger.com0tag:blogger.com,1999:blog-2816160948329940112.post-83524534800637059332011-02-16T03:00:00.000-08:002011-02-16T03:00:08.964-08:00Características do modelo RGB<h1 style="margin: 0cm 0cm 0pt;"><a href="" name="_Toc285563127"><span style="color: black; font-family: Cambria; font-size: large;">Resolução e tamanho</span></a><span style="color: black; font-family: Cambria; font-size: large;"> </span></h1><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><b><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;"> </span></b><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Uma <b>imagem digital </b>é uma representação discreta, isto é, constituída por píxeis (pixel – <i>Picture element). </i>O <b>píxel, </b>normalmente um quadrado, é a unidade elementar de brilho e cor que constitui uma imagem digital.</span></div><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><br />
</div><div class="MsoNormal" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-size: 12pt; line-height: 115%; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="font-family: Calibri;"> </span></span><span style="font-size: 12pt; line-height: 115%; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="font-family: Calibri;">Assim, a definição de <b>resolução </b>de uma imagem é entendida como a quantidade de informação que a imagem contém por unidade de comprimento, isto é, o <b>número de píxeis por polegada</b>, <b>ppi </b><i>(pixels per inch). </i>A resolução da imagem pode também ser definida de forma imprópria, pelo seu tamanho (pelo número de píxeis por linha e por coluna).</span></span></div><div class="MsoNormal" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: Calibri;"><span style="font-size: 12pt; line-height: 115%; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"> </span><span style="font-size: 12pt; line-height: 115%; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">A <b>resolução </b>de uma imagem digital determina não só o nível de detalhe como os requisitos de armazenamento da mesma. Quanto maior a resolução de uma imagem maior será o tamanho do ficheiro de armazenamento.</span></span></div><div class="MsoNormal" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: Calibri;"><span style="font-size: 12pt; line-height: 115%; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"> </span></span><span style="font-size: 12pt; line-height: 115%; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="font-family: Calibri;">O <b>nível de detalhe </b>de uma imagem depende da informação de cada píxel. Cada pixel é codificado de acordo com a cor e o brilho que representa, isto é, ocupa em memória um <b>número de bits </b>que varia de acordo com o número de cores, tons de cinza e brilho definido para uma determinada imagem.</span></span></div><h1 style="margin: 24pt 0cm 0pt;"><a href="" name="_Toc285563128"><span style="color: black; font-family: Cambria; font-size: large;">Profundidade de cor</span></a></h1><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;"> </span><span style="font-size: 12pt; line-height: 115%; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="font-family: Calibri;">A <b>profundidade de cor </b>indica o número de bits usados para representar a cor de um pixel numa imagem. Este valor é também conhecido por profundidade do píxel e é definido por bits por <u>pixel</u> (<b>bpp</b>).</span></span></div><div class="MsoNormal" style="margin: 0cm 0cm 10pt; text-align: justify;"><br />
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<table border="1" cellpadding="0" cellspacing="0" class="MsoTableGrid" style="border-bottom: medium none; border-collapse: collapse; border-left: medium none; border-right: medium none; border-top: medium none; mso-border-alt: solid windowtext .5pt; mso-padding-alt: 0cm 5.4pt 0cm 5.4pt; mso-yfti-tbllook: 1184;"><tbody>
<tr style="mso-yfti-firstrow: yes; mso-yfti-irow: 0;"><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; border-right: windowtext 1pt solid; border-top: windowtext 1pt solid; mso-border-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 113.95pt;" width="152"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><b><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Profundidade de cor</span></b><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;"></span></div><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><b><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">(nº de bits)</span></b><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;"></span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: windowtext 1pt solid; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 102.7pt;" width="137"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><b><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Nº de cores produzidas</span></b><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;"></span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: windowtext 1pt solid; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 99.15pt;" width="132"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><b><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Qualidade de cor</span></b><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;"></span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: windowtext 1pt solid; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 120.2pt;" width="160"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><b><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Padrão gráfico</span></b><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;"></span></div></td></tr>
<tr style="mso-yfti-irow: 1;"><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 113.95pt;" width="152"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">1</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 102.7pt;" width="137"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">21= 2</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 99.15pt;" width="132"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Preto e branco</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 120.2pt;" width="160"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Monocromática</span></div></td></tr>
<tr style="mso-yfti-irow: 2;"><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 113.95pt;" width="152"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">2</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 102.7pt;" width="137"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">22= 4</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 99.15pt;" width="132"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Cores de 2 bits</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 120.2pt;" width="160"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">CGA (Color Graphics Adapter)</span></div></td></tr>
<tr style="mso-yfti-irow: 3;"><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 113.95pt;" width="152"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">4</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 102.7pt;" width="137"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">24= 16</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 99.15pt;" width="132"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Cores de 4 bits</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 120.2pt;" width="160"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">EGA (Enhanced Graphics Adapter)</span></div></td></tr>
<tr style="mso-yfti-irow: 4;"><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 113.95pt;" width="152"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">8</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 102.7pt;" width="137"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">28= 256</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 99.15pt;" width="132"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Cores de 8 bits</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 120.2pt;" width="160"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">VGA (Video Graphics Adapter)</span></div></td></tr>
<tr style="mso-yfti-irow: 5;"><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 113.95pt;" width="152"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">16</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 102.7pt;" width="137"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">216= 65 536</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 99.15pt;" width="132"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><span lang="EN-US" style="font-family: "Calibri", "sans-serif"; mso-ansi-language: EN-US; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Cores de 16 bits (High color)</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 120.2pt;" width="160"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">XGA (Extended Graphics Array)</span></div></td></tr>
<tr style="mso-yfti-irow: 6;"><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 113.95pt;" width="152"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">24</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 102.7pt;" width="137"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">224= 16 777 216</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 99.15pt;" width="132"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><span lang="EN-US" style="font-family: "Calibri", "sans-serif"; mso-ansi-language: EN-US; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Cores de 24 bits (True color)</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 120.2pt;" width="160"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">SVGA = SuperVGA</span></div></td></tr>
<tr style="mso-yfti-irow: 7; mso-yfti-lastrow: yes;"><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 113.95pt;" width="152"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">32</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 102.7pt;" width="137"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">232 = 4 294 967 296</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 99.15pt;" width="132"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Cores de 32 bits</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 120.2pt;" width="160"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">SVGA = SuperVGA</span></div></td></tr>
</tbody></table><br />
<div class="MsoNormal" style="margin: 0cm 0cm 10pt; text-align: justify;"><br />
</div><div class="MsoNormal" style="margin: 0cm 0cm 10pt; text-align: justify;"><span style="font-family: Calibri;"><b style="mso-bidi-font-weight: normal;"><i style="mso-bidi-font-style: normal;"><span style="font-size: 12pt; line-height: 115%; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="text-decoration: none;"> </span></span></i></b><span style="font-size: 12pt; line-height: 115%; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;">A <b>profundidade de cor </b>das imagens varia com o número de cores presentes na imagem. No modelo RGB, com a profundidade de 24 bits existe a possibilidade de escolher 16,7 milhões de combinações de cor. Embora o olho humano não possa identificar estes 16,7 milhões de cores, este número de combinações permite variações ténues que dão a impressão de imagens com aspectos muito reais.</span></span></div><div class="MsoNormal" style="margin: 0cm 0cm 10pt; text-align: justify;"><span style="font-family: Calibri;"><span style="font-size: 12pt; line-height: 115%; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"> </span></span><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">A <b>indexação de cor </b>consiste em representar as cores dos píxeis por meio de índices de uma tabela <i>(Lookup Table) </i>e que, em alguns formatos de imagem, é armazenada juntamente com a mesma num único ficheiro. As cores desta tabela são conhecidas como cores indexadas, porque estão referenciadas pelos números de índice que são usados pelo computador para identificar cada cor.</span></div><div class="MsoNormal" style="margin: 0cm 0cm 10pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;"> </span><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Enquanto uma imagem <b>RGB </b>é definida separadamente por valores de vermelho, verde e azul para cada pixel numa imagem, uma <b>imagem de cor indexada </b>cria uma tabela que define um número de cores predefinidas e cada pixel é definido por um índice de cor dessa tabela.</span></div><div class="MsoNormal" style="margin: 0cm 0cm 10pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;"> </span><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">A imagem seguinte mostra a caixa de diálogo Material Properties do Paint Shop Pro com uma <b>tabela </b>(paleta) de <b>16 cores </b>(4 bits de profundidade de cor). O vermelho é a cor seleccionada e o seu índice é o 9.</span></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjy0S5SmaQYF87UBp1cQiBQQV6cQCanKR-VBhHqBeBS6DeGLx9EYYKzZGNHaIjaVp3HbFmBSfznmJTQpLEu0THzg9GyvH_2AQZYf_bEDHgHW1b3Q5br__5BeTJA-nROJw4AqGASZCD7UlDY/s1600/Imagem4.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="320" j6="true" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjy0S5SmaQYF87UBp1cQiBQQV6cQCanKR-VBhHqBeBS6DeGLx9EYYKzZGNHaIjaVp3HbFmBSfznmJTQpLEu0THzg9GyvH_2AQZYf_bEDHgHW1b3Q5br__5BeTJA-nROJw4AqGASZCD7UlDY/s320/Imagem4.jpg" width="238" /></a></div><br />
<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg5bz-1qhZWcTJnBkKzdQw8U8YxceT6kTM_RwT4U-TQvaNK_z8-An3pK_VrHCSp_zjGJEEnK9cvcLs-MYzwik6F5MqRJKv95sM8Q_4k3YDinlStGJdWukjRuN_QH2oqsQV0r_zgI2xFzIq1/s1600/Imagem5.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="90" j6="true" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg5bz-1qhZWcTJnBkKzdQw8U8YxceT6kTM_RwT4U-TQvaNK_z8-An3pK_VrHCSp_zjGJEEnK9cvcLs-MYzwik6F5MqRJKv95sM8Q_4k3YDinlStGJdWukjRuN_QH2oqsQV0r_zgI2xFzIq1/s320/Imagem5.jpg" width="320" /></a></div><br />
<div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify; text-indent: 35.4pt;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">As cores indexadas reduzem o tamanho dos ficheiros de imagens. No entanto, se a imagem for uma fotografia, esta pode originar um ficheiro de cores indexadas de tamanho grande.</span></div><div class="MsoNormal" style="margin: 0cm 0cm 10pt; text-align: justify; text-indent: 35.4pt;"><span style="font-size: 12pt; line-height: 115%; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="font-family: Calibri;">As cores indexadas estão limitadas a 256 cores, podendo ser qualquer conjunto de 256 cores de <b>16,7 milhões de 24 bits de cor</b>. Se tivermos um gráfico a preto e branco e se este for guardado com um formato de cor indexada, a tabela contém apenas as cores preta e branca necessárias para a imagem e não precisa de conter 256 cores ou menos. Assim, o ficheiro torna-se mais pequeno, não necessitando de guardar informação a mais.</span></span></div><h1 style="margin: 24pt 0cm 0pt;"><a href="" name="_Toc285563129"><span style="color: black; font-family: Cambria; font-size: large;">Paleta de cores</span></a></h1><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify; text-indent: 35.4pt;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Uma <b>paleta de cores </b>é a designação utilizada para qualquer subconjunto de cores do total suportado pelo sistema gráfico do computador. Uma paleta de cores pode também ser chamada de mapa de cor, mapa de índice, tabela de cor, tabela indexada ou tabela de procura de cores <i>(Lookup Table </i>-LUT). Cada cor dentro da paleta é identificada por um número (índice). Esta utilização de paletas permite diminuir o tamanho dos ficheiros de imagens, porque apenas são armazenadas em memória as cores utilizadas. </span></div><h1 style="margin: 24pt 0cm 0pt;"><a href="" name="_Toc285563130"><span style="color: black; font-family: Cambria; font-size: large;">Complementaridade de cores</span></a></h1><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify; text-indent: 35.4pt;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Uma <b>cor complementar </b>de uma determinada cor primária é a cor que se encontra quando é efectuada uma rotação de 180 graus num anel de cor. No modelo RGB, estas cores complementares são também <b>chamadas cores secundárias </b>ou cores <b>primárias de impressão.</b></span></div><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify; text-indent: 35.4pt;"><br />
</div><div class="Default" style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; margin: 0cm 0cm 0pt; text-align: center; text-indent: 35.4pt;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;"><span style="font-size: large;"><span style="font-family: "Calibri", "sans-serif"; line-height: 115%; mso-ansi-language: PT; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: "Times New Roman"; mso-bidi-language: AR-SA; mso-bidi-theme-font: minor-bidi; mso-fareast-font-family: Calibri; mso-fareast-language: EN-US; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Cores <b>primárias </b>do modelo <b>RGB </b>e as suas cores <b>complementares</b></span></span></span></div><div class="separator" style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiElc4S8AZfHJfsXGgM2oHsF8X3_3VJ-2QtE4LaV3uisjHfYAsXFBynWYLJDS14P06h_hK1wqfsLeRTe-wCEEWzRiRwm4vNb8NxpgHwQ8AshUf1ESXVDwY1Sc0UZhgd7GSdnvoXxVZdMpsT/s1600/Imagem6.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="265" j6="true" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiElc4S8AZfHJfsXGgM2oHsF8X3_3VJ-2QtE4LaV3uisjHfYAsXFBynWYLJDS14P06h_hK1wqfsLeRTe-wCEEWzRiRwm4vNb8NxpgHwQ8AshUf1ESXVDwY1Sc0UZhgd7GSdnvoXxVZdMpsT/s320/Imagem6.jpg" width="320" /></a></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg_1YLBv-paWMscP80SsBy7TO1s0AAsuhAX9wOP3BXMAckXznX2aG2UJAr-jRpGoZipznN_CbKpzgzEm0HuIHDL5bqATMTZ4MyKDFDxewGRavNSXXTtHxmPX4xRdjZdMSYSyhpcvkwnjbfc/s1600/Imagem7.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="126" j6="true" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg_1YLBv-paWMscP80SsBy7TO1s0AAsuhAX9wOP3BXMAckXznX2aG2UJAr-jRpGoZipznN_CbKpzgzEm0HuIHDL5bqATMTZ4MyKDFDxewGRavNSXXTtHxmPX4xRdjZdMSYSyhpcvkwnjbfc/s400/Imagem7.jpg" width="400" /></a></div><div class="separator" style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; clear: both; text-align: center;"><br />
</div>Aplicações Informáticas- AShttp://www.blogger.com/profile/10513288507826651841noreply@blogger.com0tag:blogger.com,1999:blog-2816160948329940112.post-37340849842577434962011-02-16T02:52:00.000-08:002011-02-16T03:18:26.225-08:00Modelo RGB e as suas aplicações <span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">O <b>modelo RGB </b>é um modelo aditivo, descrevendo as cores como uma combinação das três cores primárias: vermelha <i>(<b>R</b>ed), </i>verde <i>(<b>G</b>reen) </i>e azul <i>(<b>B</b>lue). </i></span><br />
<div class="MsoNormal" style="margin: 0cm 0cm 10pt; text-align: justify;"><span style="font-size: 12pt; line-height: 115%; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="font-family: Calibri;">Em termos técnicos, as cores primárias de um modelo são cores que não resultam da mistura de nenhuma outra cor. </span></span></div><div class="MsoNormal" style="margin: 0cm 0cm 10pt; text-align: justify;"><span style="font-size: 12pt; line-height: 115%; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="font-family: Calibri;"> </span></span><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Qualquer cor no sistema digital é representada por um conjunto de <b>valores numéricos</b>. Por exemplo, cada uma das cores do modelo RGB pode ser representada por um dos seguintes <b>valores</b>: decimal de 0 a 1, inteiro de 0 a 255, percentagem de 0% a 100% e hexadecimal de 00 a FF.</span></div><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><br />
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<table border="1" cellpadding="0" cellspacing="0" class="MsoTableGrid" style="border-bottom: medium none; border-collapse: collapse; border-left: medium none; border-right: medium none; border-top: medium none; mso-border-alt: solid windowtext .5pt; mso-padding-alt: 0cm 5.4pt 0cm 5.4pt; mso-yfti-tbllook: 1184;"><tbody>
<tr style="mso-yfti-firstrow: yes; mso-yfti-irow: 0;"><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-bottom-alt: solid windowtext .5pt; mso-border-right-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 86.2pt;" valign="top" width="115"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><br />
</div></td><td colspan="6" style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: windowtext 1pt solid; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 349.8pt;" width="466"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><b style="mso-bidi-font-weight: normal;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Correspondência entre valores</span></b></div></td></tr>
<tr style="mso-yfti-irow: 1;"><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 86.2pt;" valign="top" width="115"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><b style="mso-bidi-font-weight: normal;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Decimal</span></b></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 58.8pt;" width="78"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">0</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 58.55pt;" width="78"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">0,2</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 58.35pt;" width="78"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">0,4</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 58.15pt;" width="78"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">0,6</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 58.05pt;" width="77"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">0,8</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 57.9pt;" width="77"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">1</span></div></td></tr>
<tr style="mso-yfti-irow: 2;"><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 86.2pt;" valign="top" width="115"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><b style="mso-bidi-font-weight: normal;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Inteiro</span></b></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 58.8pt;" width="78"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">0</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 58.55pt;" width="78"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">51</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 58.35pt;" width="78"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">102</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 58.15pt;" width="78"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">153</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 58.05pt;" width="77"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">204</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 57.9pt;" width="77"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">255</span></div></td></tr>
<tr style="mso-yfti-irow: 3;"><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 86.2pt;" valign="top" width="115"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><b style="mso-bidi-font-weight: normal;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Percentagem</span></b></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 58.8pt;" width="78"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">0</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 58.55pt;" width="78"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">20</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 58.35pt;" width="78"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">40</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 58.15pt;" width="78"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">60</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 58.05pt;" width="77"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">80</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 57.9pt;" width="77"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">100</span></div></td></tr>
<tr style="mso-yfti-irow: 4; mso-yfti-lastrow: yes;"><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 86.2pt;" valign="top" width="115"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><b style="mso-bidi-font-weight: normal;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Hexadecimal</span></b></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 58.8pt;" width="78"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">00</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 58.55pt;" width="78"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">33</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 58.35pt;" width="78"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">66</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 58.15pt;" width="78"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">99</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 58.05pt;" width="77"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">CC</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 57.9pt;" width="77"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">FF</span></div></td></tr>
</tbody></table><br />
<div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><br />
</div><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;"> Como o modelo RGB é aditivo, a <b>cor branca </b>corresponde à representação simultânea das três cores primárias (1,1,1), enquanto que a <b>cor preta </b>corresponde à ausência das mesmas (0,0,0). </span></div><div class="Default" style="line-height: 115%; margin: 0cm 0cm 0pt; text-align: justify; text-indent: 35.45pt;"><br />
</div><div class="Default" style="line-height: 115%; margin: 0cm 0cm 0pt; text-align: justify; text-indent: 35.45pt;"><br />
</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh1nkl7PSk2FeikjuK_DEy8c0jJUIFSn4XswIQp8oYAOgckdx98mXIup0cRg9HF1AUAaToDjmjDZ0CaPpjbdJej8hJDp1vu8lOOnv5aePf5t0ilmtt0WTcS9jhL2YEgMPj12dhD0BBGSduc/s1600/Imagem2.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="176" j6="true" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh1nkl7PSk2FeikjuK_DEy8c0jJUIFSn4XswIQp8oYAOgckdx98mXIup0cRg9HF1AUAaToDjmjDZ0CaPpjbdJej8hJDp1vu8lOOnv5aePf5t0ilmtt0WTcS9jhL2YEgMPj12dhD0BBGSduc/s200/Imagem2.jpg" width="200" /></a></div><span style="font-size: 12pt; line-height: 115%; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="font-family: Calibri;"><span style="font-family: Times New Roman;"> </span>A escala de cinzentos é criada quando se adicionam quantidades iguais de cada cor primária, permanecendo na linha que junta os vértices preto e branco.</span></span><br />
<div class="MsoNormal" style="margin: 0cm 0cm 10pt; text-align: justify;"><span style="font-size: 12pt; line-height: 115%; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="font-family: Calibri;">Representação de um cubo com as cores do modelo <b>RGB</b>.</span></span></div><br />
<div class="separator" style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgCo1pBOg3PIF0VjQLOFQfyQfr6nTuLCxWztu6E5ECJQu5w5n3OMcHqekl3xQ6XhTbp0wii0Hp3ZNXtZcAZ-wN3nIuFzDQGdewNie6YhXPs2bfKuDGYvk6UcJGhDCHdnACCGv3lmVh0l5_o/s1600/Imagem3.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="131" j6="true" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgCo1pBOg3PIF0VjQLOFQfyQfr6nTuLCxWztu6E5ECJQu5w5n3OMcHqekl3xQ6XhTbp0wii0Hp3ZNXtZcAZ-wN3nIuFzDQGdewNie6YhXPs2bfKuDGYvk6UcJGhDCHdnACCGv3lmVh0l5_o/s400/Imagem3.jpg" width="400" /></a></div><div align="left" class="separator" style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; clear: both; text-align: center;"><br />
</div><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">O quadro seguinte exemplifica várias cores do modelo RGB representadas por valores decimais e inteiros. </span></div><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><br />
</div><div class="separator" style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; clear: both; text-align: left;"></div><table border="1" cellpadding="0" cellspacing="0" class="MsoTableGrid" style="border-bottom: medium none; border-collapse: collapse; border-left: medium none; border-right: medium none; border-top: medium none; mso-border-alt: solid windowtext .5pt; mso-padding-alt: 0cm 5.4pt 0cm 5.4pt; mso-yfti-tbllook: 1184;"><tbody>
<tr style="mso-yfti-firstrow: yes; mso-yfti-irow: 0;"><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; border-right: windowtext 1pt solid; border-top: windowtext 1pt solid; mso-border-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 144.05pt;" valign="top" width="192"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><b><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Cor</span></b></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: windowtext 1pt solid; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 180.3pt;" valign="top" width="240"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><b><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Valor decimal</span></b></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: windowtext 1pt solid; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 107.85pt;" valign="top" width="144"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><b><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Valor inteiro</span></b></div></td></tr>
<tr style="mso-yfti-irow: 1;"><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 144.05pt;" valign="top" width="192"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-font-weight: bold; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Preto</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 180.3pt;" valign="top" width="240"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-font-weight: bold; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">(0,0,0)</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 107.85pt;" valign="top" width="144"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-font-weight: bold; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">(0,0,0)</span></div></td></tr>
<tr style="mso-yfti-irow: 2;"><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 144.05pt;" valign="top" width="192"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-font-weight: bold; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Vermelho (R)</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 180.3pt;" valign="top" width="240"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-font-weight: bold; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">(1,0,0)</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 107.85pt;" valign="top" width="144"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-font-weight: bold; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">(255,0,0)</span></div></td></tr>
<tr style="mso-yfti-irow: 3;"><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 144.05pt;" valign="top" width="192"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-font-weight: bold; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Verde (G)</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 180.3pt;" valign="top" width="240"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-font-weight: bold; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">(0,1,0)</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 107.85pt;" valign="top" width="144"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-font-weight: bold; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">(0,255,0)</span></div></td></tr>
<tr style="mso-yfti-irow: 4;"><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 144.05pt;" valign="top" width="192"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-font-weight: bold; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Azul (B)</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 180.3pt;" valign="top" width="240"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-font-weight: bold; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">(0,0,1)</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 107.85pt;" valign="top" width="144"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-font-weight: bold; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">(0,0,255)</span></div></td></tr>
<tr style="mso-yfti-irow: 5;"><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 144.05pt;" valign="top" width="192"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-font-weight: bold; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Branco (R+G+B)</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 180.3pt;" valign="top" width="240"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-font-weight: bold; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">(1,1,1) = (1,0,0) + (0,1,0) + (0,0,1)</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 107.85pt;" valign="top" width="144"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-font-weight: bold; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">(255,255,255)</span></div></td></tr>
<tr style="mso-yfti-irow: 6;"><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 144.05pt;" valign="top" width="192"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-font-weight: bold; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Amarelo</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 180.3pt;" valign="top" width="240"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-font-weight: bold; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">(1,1,0)</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 107.85pt;" valign="top" width="144"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-font-weight: bold; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">(255,255,0)</span></div></td></tr>
<tr style="mso-yfti-irow: 7;"><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 144.05pt;" valign="top" width="192"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-font-weight: bold; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Ciano</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 180.3pt;" valign="top" width="240"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-font-weight: bold; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">(0,1,1)</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 107.85pt;" valign="top" width="144"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-font-weight: bold; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">(0,255,255)</span></div></td></tr>
<tr style="mso-yfti-irow: 8;"><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 144.05pt;" valign="top" width="192"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-font-weight: bold; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Magenta</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 180.3pt;" valign="top" width="240"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-font-weight: bold; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">(1,0,1)</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 107.85pt;" valign="top" width="144"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-font-weight: bold; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">(255,0,255)</span></div></td></tr>
<tr style="mso-yfti-irow: 9;"><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 144.05pt;" valign="top" width="192"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-font-weight: bold; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">90% Preto</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 180.3pt;" valign="top" width="240"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-font-weight: bold; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">(0.1,0.1,0.1)</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 107.85pt;" valign="top" width="144"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-font-weight: bold; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">(25,25,25)</span></div></td></tr>
<tr style="mso-yfti-irow: 10; mso-yfti-lastrow: yes;"><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 144.05pt;" valign="top" width="192"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-font-weight: bold; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Azul-celeste</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 180.3pt;" valign="top" width="240"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-font-weight: bold; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">(0,0.8,1)</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 107.85pt;" valign="top" width="144"><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-font-weight: bold; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">(0,204,255)</span></div></td></tr>
</tbody></table><br />
<div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><br />
</div><div class="separator" style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; clear: both; text-align: left;"><strong></strong><a href="http://www.blogger.com/" name="_Toc285563126"><span style="color: black; font-family: Cambria; font-size: large;"><strong>Aplicações</strong></span></a><span style="color: black; font-family: Cambria; font-size: large;"><strong> do modelo RGB</strong></span></div><div class="MsoNormal" style="margin: 0cm 0cm 0pt;"><br />
</div><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify; text-indent: 35.4pt;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">As aplicações do modelo RGB estão associadas à emissão de luz por equipamentos como monitores de computador e ecrãs de televisão. Como por exemplo, as cores emitidas pelo monitor de um computador baseiam-se no facto de o olho e o cérebro humano interpretarem os comprimentos de onda de luz das cores vermelha, verde e azul. Por isso, estas são emitidas pelo monitor, que combinadas podem criar milhões de cores.</span></div><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify; text-indent: 35.4pt;"><span style="font-family: "Calibri", "sans-serif"; mso-ascii-theme-font: minor-latin; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">O monitor CRT é essencialmente um tubo de raios catódicos (CRT - <i>CatodicRayTube) </i>que aloja um canhão de electrões e que é fechado na frente por um vidro, o ecrã, revestido internamente por três camadas de fósforo. Para gerar uma cor, os monitores coloridos precisam de três sinais separados que vão sensibilizar os respectivos pontos de fósforos das três cores primárias.</span></div><div class="MsoNormal" style="margin: 0cm 0cm 10pt;"><br />
</div><div class="separator" style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; clear: both; text-align: left;"><br />
</div>Aplicações Informáticas- AShttp://www.blogger.com/profile/10513288507826651841noreply@blogger.com1tag:blogger.com,1999:blog-2816160948329940112.post-60453559877735591772011-02-16T02:43:00.000-08:002011-02-16T03:26:23.933-08:00Modelo Aditivo e Modelo Subtractivo<span style="font-family: "Calibri", "sans-serif"; font-size: 11.5pt; mso-bidi-font-family: Calibri;"> <div class="Default" style="margin: 0cm 0cm 0pt;"><span style="font-family: "Calibri", "sans-serif"; font-size: 11pt; mso-bidi-font-family: Calibri;"> Quando se utiliza um sistema de coordenadas para determinar os componentes do modelo de cor, está-se a criar o seu <b>espaço de cor. </b>Neste espaço cada ponto representa uma cor diferente. </span></div><div class="MsoNormal" style="margin: 0cm 0cm 10pt;"><span style="font-size: small; mso-ascii-font-family: Calibri; mso-bidi-font-family: Calibri; mso-hansi-font-family: Calibri;"> Antes de serem descritos alguns modelos, convém diferenciar <b>modelo aditivo </b>de <b>subtractivo</b>. O modelo utilizado para descrever as <i>cores emitidas ou projectadas </i>é considerado <i>aditivo </i>e para as <b><i>cores impressas </i></b>é considerado <b><i>subtractivo</i></b>.</span></div><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; font-size: 11pt; mso-ascii-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Aplicação de <b>modelos </b>aditivo e subtractivo.</span></div><div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><br />
</div><div class="Default" style="margin: 0cm 0cm 0pt;"></div><table border="1" cellpadding="0" cellspacing="0" class="MsoTableGrid" style="border-bottom: medium none; border-collapse: collapse; border-left: medium none; border-right: medium none; border-top: medium none; mso-border-alt: solid windowtext .5pt; mso-padding-alt: 0cm 5.4pt 0cm 5.4pt; mso-yfti-tbllook: 1184;"><tbody>
<tr style="mso-yfti-firstrow: yes; mso-yfti-irow: 0;"><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; border-right: windowtext 1pt solid; border-top: windowtext 1pt solid; mso-border-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 216.1pt;" valign="top" width="288"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span style="font-family: "Calibri", "sans-serif"; font-size: 11pt; mso-ascii-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Modelo Aditivo</span></b></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: windowtext 1pt solid; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 216.1pt;" valign="top" width="288"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><b style="mso-bidi-font-weight: normal;"><span style="font-family: "Calibri", "sans-serif"; font-size: 11pt; mso-ascii-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Modelo Subtractivo</span></b></div></td></tr>
<tr style="mso-yfti-irow: 1;"><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 216.1pt;" valign="top" width="288"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><span style="font-family: "Calibri", "sans-serif"; font-size: 11pt; mso-ascii-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Luz emitida e projectada num ecrã</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 216.1pt;" valign="top" width="288"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><span style="font-family: "Calibri", "sans-serif"; font-size: 11pt; mso-ascii-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Luz reflectida</span></div></td></tr>
<tr style="mso-yfti-irow: 2; mso-yfti-lastrow: yes;"><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: windowtext 1pt solid; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 216.1pt;" valign="top" width="288"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><span style="font-family: "Calibri", "sans-serif"; font-size: 11pt; mso-ascii-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Mistura de cores emitidas por fontes de luz</span></div></td><td style="background-color: transparent; border-bottom: windowtext 1pt solid; border-left: #f0f0f0; border-right: windowtext 1pt solid; border-top: #f0f0f0; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding-bottom: 0cm; padding-left: 5.4pt; padding-right: 5.4pt; padding-top: 0cm; width: 216.1pt;" valign="top" width="288"><div align="center" class="Default" style="margin: 0cm 0cm 0pt; text-align: center;"><span style="font-family: "Calibri", "sans-serif"; font-size: 11pt; mso-ascii-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;">Mistura de cores de pintura impressão</span></div></td></tr>
</tbody></table><br />
<div class="Default" style="margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; font-size: 11pt; mso-ascii-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;"></span><span style="font-family: "Calibri", "sans-serif"; font-size: 11pt; mso-ascii-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;"></span></div><div class="Default" style="line-height: 115%; margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; font-size: 11pt; line-height: 115%; mso-ascii-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;"><span style="font-size: small; mso-spacerun: yes;"> </span>Num <b>modelo aditivo </b>a ausência de luz ou de cor corresponde à cor preta, enquanto que a misturados comprimentos de onda ou das cores vermelha <i>(<b>R</b>ed), </i>verde <i>(<b>G</b>reen) </i>e azul <i>(<b>B</b>lue) </i>indicam a presença da luz ou a cor branca. </span></div><div class="Default" style="line-height: 115%; margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; font-size: 11pt; line-height: 115%; mso-ascii-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;"><span style="font-size: small;"> </span>O modelo aditivo explica a mistura dos comprimentos de onda de qualquer <b>luz emitida</b>.</span></div><div class="Default" style="line-height: 115%; margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; font-size: 11pt; line-height: 115%; mso-ascii-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;"><span style="font-size: small; mso-spacerun: yes;"> </span>Num <b>modelo subtractivo, </b>ao contrário do modelo aditivo, a mistura de cores cria uma cor mais <b>escura</b>, porque são absorvidos mais comprimentos de onda, subtraindo-os à luz. A ausência de cor corresponde ao <b>branco </b>e significa que nenhum comprimento de onda é absorvido, mas sim todos reflectidos.</span></div><div class="Default" style="line-height: 115%; margin: 0cm 0cm 0pt; text-align: justify;"><span style="font-family: "Calibri", "sans-serif"; font-size: 11pt; line-height: 115%; mso-ascii-theme-font: minor-latin; mso-hansi-theme-font: minor-latin;"><span style="font-size: small; mso-spacerun: yes;"> </span>O <b>modelo subtractivo </b>explica a mistura de pinturas e tintas para criarem cores que absorvem alguns comprimentos de onda da luz e reflectem outros. Assim, a cor de um objecto corresponde à <b>luz reflectida </b>por ele e que os olhos recebem.</span></div><div class="MsoNormal" style="margin: 0cm 0cm 10pt;"><br />
</div><div class="Default" style="margin: 0cm 0cm 0pt;"></div></span>Aplicações Informáticas- AShttp://www.blogger.com/profile/10513288507826651841noreply@blogger.com0tag:blogger.com,1999:blog-2816160948329940112.post-77588484631500100092011-02-16T02:38:00.000-08:002011-02-16T02:45:36.671-08:00Visão Escotópica/Fotópica e Luminância/Crominância<div class="Default" style="margin: 0cm 0cm 0pt;"><br />
<span style="font-family: Cambria;"><b><span style="font-size: 14pt;">Visão escotópica e fotópica </span></b></span></div><div class="Default" style="margin: 0cm 0cm 0pt;"><span style="font-family: "Calibri", "sans-serif"; font-size: 11.5pt; mso-bidi-font-family: Calibri;">A interpretação das cores é feita pelo cérebro humano depois de a luz atravessar a íris e ser projectada na retina. Assim, os olhos são os sensores de toda a <b>visão </b>podendo ser do tipo <strong>escotópica e fotópica</strong>. </span></div><div class="Default" style="margin: 0cm 0cm 0pt;"><span style="font-family: "Calibri", "sans-serif"; font-size: 11.5pt; mso-bidi-font-family: Calibri;">A <strong>visão escotópica </strong>é assegurada por um único tipo de <b>bastonetes </b>existentes na retina. Estes são sensíveis ao brilho e não detectam a cor, são sensíveis a alterações da luminosidade mas não aos comprimentos de onda da luz visível. </span></div><div class="MsoNormal" style="margin: 0cm 0cm 10pt;"><span style="font-size: 11.5pt; line-height: 115%; mso-ascii-font-family: Calibri; mso-bidi-font-family: Calibri; mso-hansi-font-family: Calibri;"><span style="font-family: Calibri;">A visão <b>fotópica </b>é assegurada por um conjunto de três tipos diferentes de <b>cones </b>existentes na retina. Estes são sensíveis à cor e, portanto, aos comprimentos de onda da luz visível. O número de cones da retina distribuem-se da seguinte forma: 64% são do tipo <b>vermelho </b><i>(<b>R</b>ed)</i>, 32% do tipo <b>verde </b><i>(<b>G</b>reen) </i>e 2% do tipo <b>azul </b><i>(<b>B</b>lue).</i></span></span></div><div class="MsoNormal" style="margin: 0cm 0cm 10pt;"><br />
</div><div class="Default" style="margin: 0cm 0cm 0pt;"><span style="font-family: Cambria;"><b><span style="font-size: 13pt;">Luminância e crominância </span></b><span style="font-size: 13pt;"></span></span></div><div class="Default" style="margin: 0cm 0cm 0pt;"><span style="font-family: "Calibri", "sans-serif"; font-size: 11.5pt; mso-bidi-font-family: Calibri;">Como os bastonetes e os cones constituem dois tipos de sensores diferentes que apreendem a intensidade da luz e as diferenças de cor, é normal associá-los, respectivamente, aos conceitos de <b>luminância e crominância. </b>Estes conceitos estão, por sua vez, relacionados com as diferentes formas de representar as cores. </span></div><div class="MsoNormal" style="margin: 0cm 0cm 10pt;"><span style="font-size: 11.5pt; line-height: 115%; mso-ascii-font-family: Calibri; mso-bidi-font-family: Calibri; mso-hansi-font-family: Calibri;"><span style="font-family: Calibri;">Para perceber como são criadas, armazenadas, manipuladas e reproduzidas as imagens a partir dos diferentes dispositivos que utilizam cor, é necessário antes representar as cores através de diferentes modelos de cor, os quais fornecem métodos que permitem especificar uma determinada cor: modelo aditivo e modelo subtractivo.</span></span></div>Aplicações Informáticas- AShttp://www.blogger.com/profile/10513288507826651841noreply@blogger.com0tag:blogger.com,1999:blog-2816160948329940112.post-76831844476101052652011-02-16T02:34:00.000-08:002011-02-16T03:27:19.655-08:00Cor e Luz<div class="Default" style="margin: 0cm 0cm 0pt;"><span style="font-family: Cambria;"><b><span style="font-size: 14pt;">Cor </span></b><span style="font-size: 14pt;"></span></span></div><div class="Default" style="margin: 0cm 0cm 0pt;"><span style="font-family: "Calibri", "sans-serif"; font-size: 11.5pt; mso-bidi-font-family: Calibri;"><span style="font-size: small;"> </span>Conceito de <b>cor </b>está associado à percepção, pelo sistema de visão do ser humano. Da luz emitida, difundida ou reflectida pelos objectos, sendo considerada um atributo dos mesmos. </span></div><div class="Default" style="margin: 0cm 0cm 0pt;"><span style="font-family: "Calibri", "sans-serif"; font-size: 11.5pt; mso-bidi-font-family: Calibri;">A <strong>cor</strong> de um objecto depende das características das fontes de luz que o iluminam, da reflexão da luz produzida pela sua superfície e das características sensoriais do sistema de visão humano, os olhos, ou de câmaras digitais. </span></div><div class="Default" style="margin: 0cm 0cm 0pt;"><br />
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</div><div class="Default" style="margin: 0cm 0cm 0pt;"><span style="font-family: Cambria;"><b><span style="font-size: 14pt;">Luz </span></b><span style="font-size: 14pt;"></span></span></div><div class="MsoNormal" style="margin: 0cm 0cm 10pt;"><span style="font-size: 11.5pt; line-height: 115%; mso-ascii-font-family: Calibri; mso-bidi-font-family: Calibri; mso-hansi-font-family: Calibri;"><span style="font-family: Calibri;"><span style="font-size: small;"> </span>A <b>luz </b>contém uma variedade de ondas electromagnéticas com diferentes comprimentos de onda. Se o comprimento de uma onda electromagnética pertencer ao intervalo de 380 a 780nm (1 manómetro = 10-9m) é detectada e interpretada pelo sistema de visão do ser humano. Os diferentes comprimentos de onda constituem o espectro de luz visível do ser humano e estão associados a diferentes cores.</span></span></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjEl5snJiQk1oVmn8pdYHivFY8rAG4vn3AMDpnu9Q5f8Xd-6_uGkdfhHN0QcuJf2_iQVCxWdlVfnjIhsdNxVnw3QssQoou2tazVM-Dj6UfJFBklYGqqRILhF372RTH6nfB6ZhNvndp3fCv-/s1600/Imagem1.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="195" j6="true" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjEl5snJiQk1oVmn8pdYHivFY8rAG4vn3AMDpnu9Q5f8Xd-6_uGkdfhHN0QcuJf2_iQVCxWdlVfnjIhsdNxVnw3QssQoou2tazVM-Dj6UfJFBklYGqqRILhF372RTH6nfB6ZhNvndp3fCv-/s400/Imagem1.jpg" width="400" /></a></div>Aplicações Informáticas- AShttp://www.blogger.com/profile/10513288507826651841noreply@blogger.com0