{"id":187269,"date":"2025-01-14T15:38:27","date_gmt":"2025-01-14T15:38:27","guid":{"rendered":"https:\/\/www.aimmportugal.org\/?p=187269"},"modified":"2025-01-14T15:38:30","modified_gmt":"2025-01-14T15:38:30","slug":"detecao-cetaceos-drones","status":"publish","type":"post","link":"https:\/\/aimmportugal.org\/pt\/detecao-cetaceos-drones\/","title":{"rendered":"Dete\u00e7\u00e3o automatizada de cet\u00e1ceos em imagens de drones"},"content":{"rendered":"\n<p class=\"has-small-font-size\">Canelas, J., Clementino, L., Cid, A., Castro, J., Machado, I., Vieira, S. (2025). Automated cetacean detection in UAV imagery using AI models: a case study on Delphinid species. Int J Data Sci Anal.<br><a href=\"https:\/\/doi.org\/10.1007\/s41060-024-00704-9\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/doi.org\/10.1007\/s41060-024-00704-9<\/a><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>O primeiro artigo da AIMM de 2025 acabou de ser publicado!<\/strong><\/p>\n\n\n\n<p>Este estudo explora formas de melhorar a dete\u00e7\u00e3o de cet\u00e1ceos, como os golfinhos, algo essencial para saber mais sobre as suas popula\u00e7\u00f5es e avan\u00e7ar na sua conserva\u00e7\u00e3o. Os m\u00e9todos tradicionais s\u00e3o demorados e nem sempre precisos, pelo que os investigadores testaram modelos computacionais avan\u00e7ados para automatizar este processo, utilizando imagens e v\u00eddeos captados por drones. Os modelos foram treinados com exemplos de golfinhos retirados de v\u00eddeos online e testados em condi\u00e7\u00f5es reais.<\/p>\n\n\n\n<p>A abordagem baseada em imagens revelou-se eficaz, com o melhor modelo a atingir uma elevada precis\u00e3o (cerca de 84%) na dete\u00e7\u00e3o de golfinhos em fotografias a\u00e9reas. No entanto, os m\u00e9todos baseados em v\u00eddeos enfrentaram mais dificuldades, apresentando uma precis\u00e3o mais baixa (68%), pois os modelos tiveram dificuldade em adaptar-se a novos ambientes. Esta investiga\u00e7\u00e3o demonstra uma abordagem promissora para facilitar e tornar mais eficiente a monitoriza\u00e7\u00e3o de golfinhos, o que poder\u00e1 contribuir para melhores estrat\u00e9gias de conserva\u00e7\u00e3o.<\/p>\n\n\n\n<p><a href=\"https:\/\/link.springer.com\/article\/10.1007\/s41060-024-00704-9#citeas\">Para saberes mais sobre este estudo, acede ao artigo aqui.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Canelas, J., Clementino, L., Cid, A., Castro, J., Machado, I., Vieira, S. (2025). Automated cetacean detection in UAV imagery using AI models: a case study on Delphinid species. Int J Data Sci Anal.https:\/\/doi.org\/10.1007\/s41060-024-00704-9 O primeiro [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":187264,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"give_campaign_id":0,"footnotes":""},"categories":[92],"tags":[],"class_list":["post-187269","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sem-categoria-pt"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Dete\u00e7\u00e3o automatizada de cet\u00e1ceos em imagens de drones - AIMM<\/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:\/\/aimmportugal.org\/pt\/detecao-cetaceos-drones\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dete\u00e7\u00e3o automatizada de cet\u00e1ceos em imagens de drones - AIMM\" \/>\n<meta property=\"og:description\" content=\"Canelas, J., Clementino, L., Cid, A., Castro, J., Machado, I., Vieira, S. 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