Snakes-based approach for extraction of building roof contours from digital aerial images

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.contributorDept. of Cartography-
Autor(es): dc.creatorDal Poz, Aluir P.-
Autor(es): dc.creatorFazan, Antonio J.-
Data de aceite: dc.date.accessioned2025-08-21T15:56:07Z-
Data de disponibilização: dc.date.available2025-08-21T15:56:07Z-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2012-01-01-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/231376-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/231376-
Descrição: dc.descriptionThis paper presents a method for building roof contour extraction from digital images taken over complex urban scenes. The proposed method is based on a snakes-based energy function that represents building roof contours in digital images, which is optimized by using the dynamic programming (DP) a lgorithm. As most of the building roof contours are characterized by rectilinear sides intercepting at right a ngles, a ppropriate geometrics constraints are enforced into the original snakes energy function. The main advantage of using the DP algorithm for optimizing the proposed snakes-based energy function is its better radius of convergence, when compared to the one that is usually obtained in the original solution based on variational approaches. Experimental evaluation, including visual inspection and numeric analysis, was performed by using real data and the obtained results showed the potentiality of the proposed method for extracting building roof contours from digital images.-
Descrição: dc.descriptionSąo Paulo State University Dept. of Cartography, R. Roberto Simonsen 305-
Formato: dc.format55-60-
Idioma: dc.languageen-
Relação: dc.relationAccuracy 2012 - Proceedings of the 10th International Symposium on Spatial Accuracy Assessment in Natural Resources and Environmental Sciences-
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Palavras-chave: dc.subjectBuilding extraction-
Palavras-chave: dc.subjectDynamic programming-
Palavras-chave: dc.subjectImage analysis-
Palavras-chave: dc.subjectSnakes-
Título: dc.titleSnakes-based approach for extraction of building roof contours from digital aerial images-
Tipo de arquivo: dc.typeaula digital-
Aparece nas coleções:Repositório Institucional - Unesp

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