LIU, Chenxi; BÉNARD, Pierre; HERTZMANN, Aaron; HOSHYARI, Shayan

doi:10.1145/3544778

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Licencia de uso del documento

LIU, Chenxi
University of British Columbia [Canada] [UBC]

BÉNARD, Pierre
Melting the frontiers between Light, Shape and Matter [MANAO]

HERTZMANN, Aaron
Adobe Research

Idioma

Article de revue

Este ítem está publicado en

ACM Transactions on Graphics. 2023-01-19, vol. 42, n° 1, p. 16

Association for Computing Machinery

Resumen en inglés

This paper proposes a method for computing the visible occluding contours of subdivision surfaces. The paper first introduces new theory for contour visibility of smooth surfaces. Necessary and sufficient conditions are introduced for when a sampled occluding contour is valid, that is, when it may be assigned consistent visibility. Previous methods do not guarantee these conditions, which helps explain why smooth contour visibility has been such a challenging problem in the past. The paper then proposes an algorithm that, given a subdivision surface, finds sampled contours satisfying these conditions, and then generates a new triangle mesh matching the given occluding contours. The contours of the output triangle mesh may then be rendered with standard non-photorealistic rendering algorithms, using the mesh for visibility computation. The method can be applied to any triangle mesh, by treating it as the base mesh of a subdivision surface.< Leer menos

Palabras clave en inglés

Non-photorealistic rendering

Occluding Contours

Geometry processing

URI

https://oskar-bordeaux.fr/handle/20.500.12278/181438

DOI

http://dx.doi.org/10.1145/3544778

Proyecto ANR

Stylisation du mouvement pour l'animation 2D - ANR-20-CE33-0002

Orígen

Importado de Hal

Centros de investigación

Laboratoire Photonique, Numérique et Nanosciences (LP2N) - UMR 5298