Reducing complexity in polygonal meshes with view-based saliency
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Otros documentos de la autoría: Castelló Boscá, Pascual; Chover, Miguel; Sbert Casasayas, Mateu; Feixas, Miguel
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http://dx.doi.org/10.1016/j.cagd.2014.05.001 |
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Título
Reducing complexity in polygonal meshes with view-based saliencyFecha de publicación
2014-08Editor
ElsevierISSN
0167-8396Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
http://www.sciencedirect.com/science/article/pii/S0167839614000491Versión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Resumen
Salient features in 3D meshes such as small high-curvature details in the middle of largely flat regions are easily ignored by most mesh simplification methods. Nevertheless, these features can be perceived by human ... [+]
Salient features in 3D meshes such as small high-curvature details in the middle of largely flat regions are easily ignored by most mesh simplification methods. Nevertheless, these features can be perceived by human observers as perceptually important in CAD models. Recently, mesh saliency has been introduced to identify those visually interesting regions. In this paper, we apply view-based mesh saliency to a purely visual method for surface simplification from two approaches. In the first one, we propose a new simplification error metric that considers polygonal saliency. In the second approach, we use viewpoint saliency as a weighting factor of the quality of a viewpoint in the simplification algorithm. Our results show that saliency can improve the preservation of small but visually significant surfaces even in visual algorithms for surface simplification. However, this comes at a price, because logically some other low-saliency regions in the mesh are simplified further. [-]
Publicado en
Computer Aided Geometric Design, 2014, vol. 31, núm. 6Derechos de acceso
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