Height gradient approach for occlusion detection in UAV imagery

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorLyles School of Civil Engineering-
Autor(es): dc.creatorOliveira, H. C.-
Autor(es): dc.creatorHabib, A. F.-
Autor(es): dc.creatorDal Poz, A. P.-
Autor(es): dc.creatorGalo, M.-
Data de aceite: dc.date.accessioned2025-08-21T23:11:07Z-
Data de disponibilização: dc.date.available2025-08-21T23:11:07Z-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2015-01-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.5194/isprsarchives-XL-1-W4-263-2015-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/228163-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/228163-
Descrição: dc.descriptionThe use of Unmanned Aerial Vehicle (UAV) significantly increased in the last years. It is used for several different applications, such as mapping, publicity, security, natural disasters assistance, environmental monitoring, 3D building model generation, cadastral survey, etc. The imagery obtained by this kind of system has a great potential. To use these images in true orthophoto generation projects related to urban scenes or areas where buildings are present, it is important to consider the occlusion caused by surface height variation, platform attitude, and perspective projection. Occlusions in UAV imagery are usually larger than in conventional airborne dataset due to the low-altitude and excessive change in orientation due to the low-weight and wind effects during the flight mission. Therefore, this paper presents a method for occlusion detection together with some obtained results for images acquired by a UAV platform. The proposed method shows potential in occlusion detection and true orthophoto generation.-
Descrição: dc.descriptionPurdue University-
Descrição: dc.descriptionSão Paulo State University Graduate Program in Cartographic Sciences-
Descrição: dc.descriptionPurdue University Lyles School of Civil Engineering-
Descrição: dc.descriptionSão Paulo State University Dept. of Cartography-
Descrição: dc.descriptionSão Paulo State University Graduate Program in Cartographic Sciences-
Descrição: dc.descriptionSão Paulo State University Dept. of Cartography-
Formato: dc.format263-268-
Idioma: dc.languageen-
Relação: dc.relationInternational Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences - ISPRS Archives-
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Palavras-chave: dc.subjectDouble mapping-
Palavras-chave: dc.subjectDSM-
Palavras-chave: dc.subjectHeight gradient-
Palavras-chave: dc.subjectOcclusion detection-
Palavras-chave: dc.subjectTIN-
Palavras-chave: dc.subjectTrue orthophoto-
Palavras-chave: dc.subjectUAV-
Título: dc.titleHeight gradient approach for occlusion detection in UAV imagery-
Tipo de arquivo: dc.typeaula digital-
Aparece nas coleções:Repositório Institucional - Unesp

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