{"id":1217,"date":"2021-03-24T07:29:14","date_gmt":"2021-03-24T10:29:14","guid":{"rendered":"https:\/\/csr.ufmg.br\/ppgamsa\/?p=1217"},"modified":"2024-09-10T16:27:24","modified_gmt":"2024-09-10T19:27:24","slug":"defesa-de-dissertacao-antonio-campos","status":"publish","type":"post","link":"https:\/\/csr.ufmg.br\/ppgamsa\/defesa-de-dissertacao-antonio-campos\/","title":{"rendered":"Defesa de disserta\u00e7\u00e3o &#8211; Ant\u00f4nio Campos"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"background-color: rgba(255,255,255,0);background-position: center center;background-repeat: no-repeat;border-width: 0px 0px 0px 0px;border-color:#eae9e9;border-style:solid;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><style type=\"text\/css\">@media only screen and (max-width:1024px) {.fusion-title.fusion-title-1{margin-top:10px!important;margin-bottom:30px!important;}}<\/style><div class=\"fusion-title title fusion-title-1 fusion-title-text fusion-title-size-one\" style=\"margin-top:10px;margin-bottom:30px;\"><div class=\"title-sep-container title-sep-container-left fusion-no-large-visibility fusion-no-medium-visibility fusion-no-small-visibility\"><div class=\"title-sep sep-\" style=\"border-color:#ae895d;\"><\/div><\/div><h1 class=\"title-heading-left\" style=\"margin:0;\">Not\u00edcias<\/h1><div class=\"title-sep-container title-sep-container-right\"><div class=\"title-sep sep-\" style=\"border-color:#ae895d;\"><\/div><\/div><\/div><div class=\"fusion-text fusion-text-1\"><h2 class=\"fusion-responsive-typography-calculated\" style=\"--fontsize: 26; line-height: 1.07;\" data-fontsize=\"26\" data-lineheight=\"27.82px\">Defesa de disserta\u00e7\u00e3o &#8211; Ant\u00f4nio Campos<\/h2>\n<p><span style=\"background-color: rgba(255, 255, 255, 0); color: var(--body_typography-color); font-family: var(--body_typography-font-family); font-size: var(--body_typography-font-size); font-style: var(--body_typography-font-style,normal); font-weight: var(--body_typography-font-weight); letter-spacing: var(--body_typography-letter-spacing);\">\u00a0<\/span><\/p>\n<p><span style=\"background-color: rgba(255, 255, 255, 0); color: var(--body_typography-color); font-family: var(--body_typography-font-family); font-size: var(--body_typography-font-size); font-style: var(--body_typography-font-style,normal); font-weight: var(--body_typography-font-weight); letter-spacing: var(--body_typography-letter-spacing);\">O Programa de P\u00f3s-gradua\u00e7\u00e3o em An\u00e1lise e Modelagem de Sistemas Ambientais do Instituto de Geoci\u00eancias da UFMG convida para a seguinte apresenta\u00e7\u00e3o:<\/span><\/p>\n<p>DEFESA DE DISSERTA\u00c7\u00c3O<\/p>\n<p>Discente: Ant\u00f4nio Campos de Abreu Filho<\/p>\n<p>Orientador: Prof. Dr. Marcelo Antonio Nero<\/p>\n<p>T\u00edtulo: \u201cDETEC\u00c7\u00c3O DE PAIN\u00c9IS FOTOVOLTAICOS EM ORTOFOTOS UTILIZANDO REDES NEURAIS PROFUNDA&#8221;<\/p>\n<p>Resumo:<\/p>\n<p>O mapeamento de informa\u00e7\u00f5es espaciais tem ganhado cada vez mais relev\u00e2ncia em aplica\u00e7\u00f5es de planejamento urbano e gerenciamento das cidades. As an\u00e1lises e classifica\u00e7\u00f5es automatizadas de imagens t\u00eam sido um problema em v\u00e1rias \u00e1reas do conhecimento e a comunidade do sensoriamento remoto t\u00eam demonstrado particular interesse nas aplica\u00e7\u00f5es de t\u00e9cnicas que utilizam redes neurais profundas nos problemas de classifica\u00e7\u00e3o de uso e ocupa\u00e7\u00e3o do solo. Para o treinamento destas redes, \u00e9 necess\u00e1rio uma extensa rotulagem para os objetos que se pretende identificar. A segmenta\u00e7\u00e3o de inst\u00e2ncias, em especial, requer uma rotulagem ainda mais complexa e trabalhosa. Al\u00e9m dos dados de treinamento, tamb\u00e9m n\u00e3o h\u00e1 ambientes de desenvolvimento adequados para uso de arquivos vetoriais de ambientes SIG como anota\u00e7\u00f5es de treino destas redes. Portanto, a adapta\u00e7\u00e3o das ferramentas de aprendizado profundo para ambientes SIG \u00e9 um desafio e uma oportunidade. O mundo demanda energia. A \u201cLei de Swanson\u201d prev\u00ea que m\u00f3dulos fotovoltaicos alcan\u00e7ar\u00e3o a paridade de custo por watt produzido com outras formas de produ\u00e7\u00e3o energ\u00e9tica, como o g\u00e1s natural em poucos anos. Comparada com outras alternativas, a gera\u00e7\u00e3o fotovoltaica em telhados possui maior aceita\u00e7\u00e3o por utilizar um espa\u00e7o ocioso das constru\u00e7\u00f5es urbanas. A compreens\u00e3o do fen\u00f4meno da expans\u00e3o das instala\u00e7\u00f5es fotovoltaicas em \u00e1reas urbanas \u00e9 um importante indicador da evolu\u00e7\u00e3o de seguran\u00e7a energ\u00e9tica das cidades e sua detec\u00e7\u00e3o a partir das imagens a\u00e9reas constitui uma importante forma de entend\u00ea-lo. Este trabalho objetivou treinar uma rede neural profunda (Mask R-CNN) utilizando bases de dados de livre acesso do Rio de Janeiro\/RJ, Bras\u00edlia\/DF e Campinas\/SP. Com o modelo treinado, foi feita uma varredura em ortofotos cobrindo toda a extens\u00e3o do munic\u00edpio de Belo Horizonte\/MG, numa escala de 7 cm\/pixel e foram mapeadas pixel a pixel, todas as placas fotovoltaicas e sistemas de aquecimento solar da \u00e1rea. Foram utilizados 1719 dados rotulados manualmente como amostras de treinamento e a infer\u00eancia do modelo de segmenta\u00e7\u00e3o identificou 3655 placas fotovoltaicas e 26369 fei\u00e7\u00f5es de aquecimento solar na \u00e1rea de estudo. Como m\u00e9tricas de valida\u00e7\u00e3o do modelo, foram obtidos os valores de precis\u00e3o m\u00e9dia global (AP=18,7), recall m\u00e9dio global (AR=36,7), precis\u00e3o m\u00e9dia da classe de placas fotovoltaicas (APUFV=30,9), precis\u00e3o m\u00e9dia da classe de sistemas de aquecimento solar (APSAS=16,09).<\/p>\n<p>Data: 01 de abril de 2021<\/p>\n<p>Hor\u00e1rio: 14:00h<\/p>\n<p>Link para acompanhar a videoconfer\u00eancia: <a href=\"https:\/\/meet.google.com\/cbs-iymz-rfy\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/meet.google.com\/cbs-iymz-rfy<\/a><\/p>\n<\/div><\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-builder-column-0{width:100% !important;margin-top : 0px;margin-bottom : 20px;}.fusion-builder-column-0 > .fusion-column-wrapper {padding-top : 0px !important;padding-right : 0px !important;margin-right : 1.92%;padding-bottom : 0px !important;padding-left : 0px !important;margin-left : 3.552%;}@media only screen and (max-width:1024px) {.fusion-body .fusion-builder-column-0{width:100% !important;order : 0;}.fusion-builder-column-0 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}@media only screen and (max-width:640px) {.fusion-body .fusion-builder-column-0{width:100% !important;order : 0;}.fusion-builder-column-0 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}<\/style><\/div><style type=\"text\/css\">.fusion-fullwidth.fusion-builder-row-1 a:not(.fusion-button):not(.fusion-builder-module-control):not(.fusion-social-network-icon):not(.fb-icon-element):not(.fusion-countdown-link):not(.fusion-rollover-link):not(.fusion-rollover-gallery):not(.fusion-button-bar):not(.add_to_cart_button):not(.show_details_button):not(.product_type_external):not(.fusion-view-cart):not(.fusion-quick-view):not(.fusion-rollover-title-link):not(.fusion-breadcrumb-link) , .fusion-fullwidth.fusion-builder-row-1 a:not(.fusion-button):not(.fusion-builder-module-control):not(.fusion-social-network-icon):not(.fb-icon-element):not(.fusion-countdown-link):not(.fusion-rollover-link):not(.fusion-rollover-gallery):not(.fusion-button-bar):not(.add_to_cart_button):not(.show_details_button):not(.product_type_external):not(.fusion-view-cart):not(.fusion-quick-view):not(.fusion-rollover-title-link):not(.fusion-breadcrumb-link):before, .fusion-fullwidth.fusion-builder-row-1 a:not(.fusion-button):not(.fusion-builder-module-control):not(.fusion-social-network-icon):not(.fb-icon-element):not(.fusion-countdown-link):not(.fusion-rollover-link):not(.fusion-rollover-gallery):not(.fusion-button-bar):not(.add_to_cart_button):not(.show_details_button):not(.product_type_external):not(.fusion-view-cart):not(.fusion-quick-view):not(.fusion-rollover-title-link):not(.fusion-breadcrumb-link):after {color: #00b29d;}.fusion-fullwidth.fusion-builder-row-1 a:not(.fusion-button):not(.fusion-builder-module-control):not(.fusion-social-network-icon):not(.fb-icon-element):not(.fusion-countdown-link):not(.fusion-rollover-link):not(.fusion-rollover-gallery):not(.fusion-button-bar):not(.add_to_cart_button):not(.show_details_button):not(.product_type_external):not(.fusion-view-cart):not(.fusion-quick-view):not(.fusion-rollover-title-link):not(.fusion-breadcrumb-link):hover, .fusion-fullwidth.fusion-builder-row-1 a:not(.fusion-button):not(.fusion-builder-module-control):not(.fusion-social-network-icon):not(.fb-icon-element):not(.fusion-countdown-link):not(.fusion-rollover-link):not(.fusion-rollover-gallery):not(.fusion-button-bar):not(.add_to_cart_button):not(.show_details_button):not(.product_type_external):not(.fusion-view-cart):not(.fusion-quick-view):not(.fusion-rollover-title-link):not(.fusion-breadcrumb-link):hover:before, .fusion-fullwidth.fusion-builder-row-1 a:not(.fusion-button):not(.fusion-builder-module-control):not(.fusion-social-network-icon):not(.fb-icon-element):not(.fusion-countdown-link):not(.fusion-rollover-link):not(.fusion-rollover-gallery):not(.fusion-button-bar):not(.add_to_cart_button):not(.show_details_button):not(.product_type_external):not(.fusion-view-cart):not(.fusion-quick-view):not(.fusion-rollover-title-link):not(.fusion-breadcrumb-link):hover:after {color: #00b29d;}.fusion-fullwidth.fusion-builder-row-1 .pagination a.inactive:hover, .fusion-fullwidth.fusion-builder-row-1 .fusion-filters .fusion-filter.fusion-active a {border-color: #00b29d;}.fusion-fullwidth.fusion-builder-row-1 .pagination .current {border-color: #00b29d; 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