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</o:shapelayout></xml><![endif]--></head><body style="" lang="PT-BR" link="black" vlink="purple"> <table style="text-align: left; width: 100%;" border="0" cellpadding="2" cellspacing="2"> <tbody> <tr> <td><img src="http://www.inf.pucrs.br/%7Epinho/Logotipos/LogoPUCRS-Viva.png" alt="" style="width: 368px; height: 136px;"></td> <td><img title="FACIN PUCRS" style="width: 170px; height: 164px;" alt="" src="http://www.inf.pucrs.br/%7Epinho/Logotipos/LogoFACIN.png"></td> <td style="text-align: right;"><img style="width: 356px; height: 157px;" alt="" src="http://grv.inf.pucrs.br/img/logo_grv_low3.png"></td> </tr> </tbody> </table> <br> <div style="text-align: center;"> <hr style="width: 100%; height: 2px;"><big style="font-weight: bold; color: rgb(51, 51, 255);"><big><big><span style="font-family: Arial;">Computação Gráfica I&nbsp;</span><span style="font-family: Arial;"></span></big></big></big> </div> <div style="font-weight: bold; color: rgb(51, 51, 255); font-family: Arial; text-align: center;"> <hr style="width: 100%; height: 2px;"></div> <div class="WordSection1"> <p style="margin: 5.05pt 28.1pt; text-align: center; color: rgb(51, 51, 255);" align="center"><b><span style="font-size: 16pt; font-family: &quot;Arial Narrow&quot;,&quot;sans-serif&quot;;">Trabalho I (2011/1) </span></b><span style="font-size: 16pt;"><o:p></o:p></span></p> <p style="margin: 5.05pt 28.1pt; text-align: center;" align="center"><b style="color: rgb(51, 51, 255);"><span style="font-size: 16pt; font-family: &quot;Arial Narrow&quot;,&quot;sans-serif&quot;;">Disciplina: Computação Gráfica</span></b><span style="font-size: 16pt; color: rgb(51, 51, 255);"><br> </span><b style="color: rgb(51, 51, 255);"><span style="font-size: 16pt; font-family: &quot;Arial Narrow&quot;,&quot;sans-serif&quot;;">Professores: Soraia R. <span class="SpellE">Musse</span> e Márcio <span class="GramE">Pinho</span></span></b><span style="font-size: 16pt;"><o:p></o:p></span><br> <span style="font-size: 16pt; color: rgb(28, 28, 28);">&nbsp;</span><span style="font-size: 16pt;"><o:p></o:p></span></p> <p style="margin: 5pt 28.1pt 5.05pt; text-align: center;" align="center"><big><big><big><big><span style="font-family: Arial;">Contando estruturas segmentadas</span></big></big></big></big><span style="font-size: 16pt;" lang="EN-US"><o:p></o:p></span></p> <p style="margin: 5pt 28.1pt 5.05pt; text-align: center;" align="center"><span style="font-size: 16pt;" lang="EN-US">&nbsp;<o:p></o:p></span><span style="font-size: 16pt; color: rgb(28, 28, 28);" lang="EN-US">&nbsp;</span><span style="font-size: 16pt;" lang="EN-US"><o:p></o:p></span></p> <table class="MsoNormalTable" style="width: 747.75pt; margin-left: 36pt;" border="0" cellpadding="0" cellspacing="0" width="997"> <col width="997"> <tbody><tr style=""> <td style="padding: 0cm; width: 747.75pt;" width="997"> <p class="MsoNormal" style=""><small><b><span style="font-size: 16pt; font-family: &quot;Arial Narrow&quot;,&quot;sans-serif&quot;;">Descrição:</span></b><span style="font-size: 16pt;"> <o:p></o:p></span></small></p> <p class="MsoNormal" style=""><small><span style="font-size: 16pt; font-family: &quot;Arial Narrow&quot;,&quot;sans-serif&quot;;">O primeiro trabalho prático da disciplina de Computação Gráfica I, que deverá ser <b>feito em dupla ou individualmente</b>, consiste em desenvolver uma aplicação em <span class="SpellE"><span class="GramE">OpenCV</span></span> para detectar (segmentar e contar) estruturas de interesse em uma imagem.<o:p></o:p></span></small></p> <p class="MsoNormal" style=""><small><span style="font-size: 16pt;"><o:p>&nbsp;</o:p></span></small></p> <p class="MsoNormal" style=""><small><span style="font-size: 16pt; font-family: &quot;Arial Narrow&quot;,&quot;sans-serif&quot;;">A primeira etapa do trabalho consiste em ler as imagens, transformá-las para tons de cinza se não forem e binarizá-las. Use como exemplo o <a href="http://www.inf.pucrs.br/%7Epinho/CG/Aulas/OpenCV/OpenCV.html">trabalho desenvolvido na aula do dia 28/03</a>.<br> </span><span style="font-size: 16pt;"> <o:p></o:p></span></small></p> <p class="MsoNormal" style=""><small><span style="font-size: 16pt;"><o:p>&nbsp;</o:p></span></small></p> <p class="MsoNormal" style=""><small><span style="font-size: 16pt; font-family: &quot;Arial Narrow&quot;,&quot;sans-serif&quot;;">A <b>segunda etapa</b> consiste em usar detecção de contornos, se necessário para a próxima etapa, e mexer nos parâmetros de maneira que os contornos possam ser usados para detecção de componentes conexos.<o:p></o:p></span></small></p> <p class="MsoNormal" style=""><small><span style="font-size: 16pt; font-family: &quot;Arial Narrow&quot;,&quot;sans-serif&quot;;"><o:p>&nbsp;</o:p></span></small></p> <p class="MsoNormal" style=""><small><span style="font-size: 16pt; font-family: &quot;Arial Narrow&quot;,&quot;sans-serif&quot;;">A <b>terceira etapa </b>consiste em usar o detector de componentes conexos (<span class="SpellE">cvblobs</span>, </span><span class="SpellE"><span class="GramE"><span style="font-size: 16pt;">CBlobResult</span></span></span><span style="font-size: 16pt;">, etc...) </span><span style="font-size: 16pt; font-family: &quot;Arial Narrow&quot;,&quot;sans-serif&quot;;">para segmentar as regiões conexas da imagem, conforme mostra a imagem abaixo.<o:p></o:p></span></small></p> <p class="MsoNormal" style="text-align: center;"><small><span style="font-size: 16pt; font-family: &quot;Arial Narrow&quot;,&quot;sans-serif&quot;;"><o:p>&nbsp;</o:p></span><br> <span style="font-size: 16pt;"><img src="T1-OPenCV2011_arquivos/image002.jpg" v:shapes="Imagem_x0020_1" border="0" height="368" width="590"></span><span style="font-size: 16pt; font-family: &quot;Arial Narrow&quot;,&quot;sans-serif&quot;;"><o:p></o:p></span></small></p> <p class="MsoNormal" style=""><small><span style="font-size: 16pt; font-family: &quot;Arial Narrow&quot;,&quot;sans-serif&quot;;">A <b>quarta etapa, por fim, </b>consiste em recuperar o número de estruturas conexas da foto e informá-las ao usuário do protótipo.<o:p></o:p></span></small></p> <p class="MsoNormal" style=""><small><span style="font-size: 16pt; font-family: &quot;Arial Narrow&quot;,&quot;sans-serif&quot;;"><o:p>&nbsp;</o:p></span></small></p> <p class="MsoNormal" style=""><small><span style="font-size: 16pt; font-family: &quot;Arial Narrow&quot;,&quot;sans-serif&quot;;"><a href="http://www.inf.pucrs.br/%7Esmusse/CG/T1/imagensteste.zip">Aqui</a> você encontra um conjunto de imagens para serem usadas como teste.<o:p></o:p></span></small></p> <br> <big><big><span style="font-family: Arial; font-weight: bold;">Avaliação:</span></big><br style="font-family: Arial;"> <big><br style="font-family: Arial;"> <small><span style="font-family: Arial;">Os trabalhos serão avaliados pelo correto funcionamento do programa, domínio dos conceitos empregados e organização da apresentação. Os critérios de avaliação sobre um total de 10 pontos são os seguintes:</span></small></big></big> <small><br> </small> <small><span style="font-family: &quot;Times New Roman&quot;,&quot;serif&quot;;"></span></small> <ul style="font-family: Arial;"><small> </small><li><big>1.5 pontos - considera a documentação a ser entregue. Os critérios que serão avaliados na documentação são:</big></li><small> </small><ul><small> </small><li><big>Apresentação do problema e soluções implementadas;</big></li><small> </small><li><big>Clareza do texto;</big></li><small> </small><li><big>Metodologia científica.</big></li><small> </small></ul><small> </small><li><big>7.5 pontos  Fases corretas do pipeline para solução do problema.</big></li><small> </small><li><big>1 ponto - Extras (aquele algo a menos, ou algo a mais que não foi previsto previamente)</big></li><small> </small></ul> <p class="MsoNormal" style="font-family: Arial;"><big><b><span style="font-size: 16pt;"><o:p>&nbsp;</o:p></span></b></big></p> <p class="MsoNormal" style="font-family: Arial;"><b><span style="font-size: 16pt; color: windowtext;">IMPORTANTE:<o:p></o:p></span></b></p> <ul type="disc"> <li class="MsoNormal" style="color: windowtext; font-family: Arial;"><span style="font-size: 16pt;">Todos os trabalhos deverão ser entregues <span style="font-weight: bold;">antes do início</span> da aula do dia 18/05/2011</span><span style="font-size: 16pt;">, via Moodle,</span><span style="font-size: 16pt;"> e <span style="font-weight: bold;">apresentados durante</span> a mesma aula. Caso contrário, serão DESCONTADOS 2.0 pontos no primeiro dia de atraso e <span class="GramE">1.0 ponto</span> nos dias seguintes. Não serão aceitos trabalhos com mais de TRÊS dias de <span class="GramE">atraso !</span>!!</span><span style="font-size: 16pt;"><o:p></o:p></span></li> <li class="MsoNormal" style="color: windowtext; font-family: Arial;"><span style="font-size: 16pt;">Trabalhos copiados resultarão em nota zero para todos os alunos envolvidos;</span><span style="font-size: 16pt;"><o:p></o:p></span></li> <li class="MsoNormal" style="color: windowtext; font-family: Arial;"><span style="font-size: 16pt;">Trabalhos feitos com a ajuda de terceiros resultarão em nota zero e são passíveis de processos legais;</span><span style="font-size: 16pt;"><o:p></o:p></span></li> <li class="MsoNormal" style="color: windowtext;"><span style="font-family: Arial;"><span style="font-size: 16pt;">Os alunos que não souberem responder prontamente as perguntas feitas pelos professores sobre a <span class="GramE">implementação</span> do trabalho também terão nota zero no trabalho. Portanto, para trabalhos que indiquem fraude, o professor pode questionar além do assunto dos trabalhos no sentido de verificar a fraude.</span></span><span style="font-size: 16pt;"><o:p></o:p></span></li> </ul> <p class="MsoNormal" style=""><span style="font-size: 16pt;"><o:p>&nbsp;</o:p></span></p> <p class="MsoNormal" style=""><span style="font-size: 16pt;">&nbsp;<o:p></o:p></span></p> </td> </tr> <tr style=""> <td style="padding: 0cm; width: 747.75pt;" width="997"> <p class="MsoNormal" style="">&nbsp;</p> </td> </tr> </tbody></table> <p class="MsoNormal" style="">&nbsp;</p> </div> </body></html>