Un modèle de réflectance combinant diffraction et réflexion

HOLZSCHUCH, Nicolas; PACANOWSKI, Romain

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HOLZSCHUCH, Nicolas
Models and Algorithms for Visualization and Rendering [MAVERICK]

PACANOWSKI, Romain
Melting the frontiers between Light, Shape and Matter [MANAO]
Laboratoire Photonique, Numérique et Nanosciences [LP2N]

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Este ítem está publicado en

2015-11p. 24

Resumen en inglés

Reflectance properties express how objects in a virtual scene interact with light. They control the appearance of the object: whether it looks shiny or not, it has a metallic or plastic appearance. The reflectance model (BRDF) is essential for photorealistic pictures. Measured reflectance provide high realism, at the expense of memory cost. Parametric models are compact, but it is difficult to find the right parameters from measured reflectance. In this research report, we show that two different physical phenomena are present in measured reflectance: reflection and diffraction. Taking both into account, we present a reflectance model that is compact and a very good approximation of measured reflectance. Designers can act on model parameters, related to surface properties, to create new materials.< Leer menos

URI

https://oskar-bordeaux.fr/handle/20.500.12278/182008

Proyecto ANR

Analyse des opérateurs de transport lumineux et applications - ANR-11-BS02-0006

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Importado de Hal

Centros de investigación

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

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