{"id":501,"date":"2016-07-16T23:32:43","date_gmt":"2016-07-17T02:32:43","guid":{"rendered":"https:\/\/sbia.org.br\/lnlm\/?page_id=501"},"modified":"2016-07-16T23:32:43","modified_gmt":"2016-07-17T02:32:43","slug":"vol8-no4-art2","status":"publish","type":"page","link":"https:\/\/sbia.org.br\/lnlm\/publicacoes\/vol8-no4\/vol8-no4-art2\/","title":{"rendered":"Triagem Virtual de Imagens de Imuno-Histoqu\u00edmica Usando Redes Neurais Artificiais e Espectro de Padr\u00f5es"},"content":{"rendered":"<p><strong>T\u00edtulo:<\/strong> Triagem Virtual de Imagens de Imuno-Histoqu\u00edmica Usando Redes Neurais Artificiais e Espectro de Padr\u00f5es<\/p>\n<p><strong>Autores:<\/strong> Lima, Higor Neto; Santos, Wellington Pinheiro dos; Valen\u00e7a, M\u00eauser Jorge S.<\/p>\n<p align=\"justify\"><strong>Resumo:<\/strong> A import\u00e2ncia de se organizar imagens m\u00e9dicas de acordo com sua natureza, aplica\u00e7\u00e3o e relev\u00e2ncia tem aumentado. Al\u00e9m do mais, a sele\u00e7\u00e3o pr\u00e9via de imagens m\u00e9dicas pode ser bastante \u00fatil para reduzir o tempo de an\u00e1lise dispendido por patologistas. Neste artigo \u00e9 proposto um classificador de imagens para integrar um sistema de CBIR (Content-Based Image Retrieval, Recupera\u00e7\u00e3o de Imagens Baseada em Conte\u00fado) dedicado \u00e0 sele\u00e7\u00e3o pr\u00e9via de imagens, ou seja, \u00e0 tarefa de triagem. Esse classificador \u00e9 baseado na representa\u00e7\u00e3o das imagens de entrada pelo espectro de padr\u00f5es e na classifica\u00e7\u00e3o por redes neurais. A sele\u00e7\u00e3o dos atributos \u00e9 realizada aplicando a An\u00e1lise de Componentes Principais aos vetores de atributos obtidos pela extra\u00e7\u00e3o do espectro de padr\u00f5es, enquanto a classifica\u00e7\u00e3o de imagens \u00e9 baseada no uso de redes neurais perceptron multicamadas e na composi\u00e7\u00e3o de mapas auto-organizados e aprendizado por quantiza\u00e7\u00e3o vetorial. Esses m\u00e9todos foram aplicados \u00e0 sele\u00e7\u00e3o baseada em conte\u00fado de imagens de imuno-histoqu\u00edmica de placenta e pulm\u00e3o de neomortos. Os resultados demonstraram que esta abordagem pode atingir desempenhos de classifica\u00e7\u00e3o razo\u00e1veis.<\/p>\n<p><strong>Palavras-chave:<\/strong> CBIR; k-M\u00e9dias; Algoritmos de Agrupamento; An\u00e1lise de Componentes Principais; Espectro de Padr\u00f5es; Imuno-Histoqu\u00edmica<\/p>\n<p><strong>P\u00e1ginas:<\/strong> 14<\/p>\n<p><strong>C\u00f3digo DOI:<\/strong> <a href=\"http:\/\/dx.doi.org\/10.21528\/lnlm-vol8-no4-art2\">10.21528\/lmln-vol8-no4-art2<\/a><\/p>\n<p><strong>Artigo em PDF:<\/strong> <a href=\"https:\/\/sbia.org.br\/lnlm\/wp-content\/uploads\/sites\/4\/2016\/07\/vol8-no4-art2.pdf\" rel=\"\">vol8-no4-art2.pdf<\/a><\/p>\n<p><strong>Arquivo BibTex:<\/strong> <a href=\"https:\/\/sbia.org.br\/lnlm\/wp-content\/uploads\/sites\/4\/2016\/07\/vol8-no4-art2.bib\" rel=\"\">vol8-no4-art2.bib<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u00edtulo: Triagem Virtual de Imagens de Imuno-Histoqu\u00edmica Usando Redes Neurais Artificiais e Espectro de Padr\u00f5es Autores: Lima, Higor Neto; Santos, Wellington Pinheiro dos; Valen\u00e7a, M\u00eauser Jorge S. Resumo: A import\u00e2ncia de se organizar imagens m\u00e9dicas de acordo com sua natureza, <a href=\"https:\/\/sbia.org.br\/lnlm\/publicacoes\/vol8-no4\/vol8-no4-art2\/\" class=\"read-more\">Read More &#8230;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":497,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-501","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Triagem Virtual de Imagens de Imuno-Histoqu\u00edmica Usando Redes Neurais Artificiais e Espectro de Padr\u00f5es - Learning and NonLinear Models<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sbia.org.br\/lnlm\/publicacoes\/vol8-no4\/vol8-no4-art2\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Triagem Virtual de Imagens de Imuno-Histoqu\u00edmica Usando Redes Neurais Artificiais e Espectro de Padr\u00f5es - Learning and NonLinear Models\" \/>\n<meta property=\"og:description\" content=\"T\u00edtulo: Triagem Virtual de Imagens de Imuno-Histoqu\u00edmica Usando Redes Neurais Artificiais e Espectro de Padr\u00f5es Autores: Lima, Higor Neto; Santos, Wellington Pinheiro dos; Valen\u00e7a, M\u00eauser Jorge S. 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