48 search results - page 2 / 10 » Non-linear approximation of reflectance functions |
GRAPHICSINTERFACE
2000
13 years 7 months ago
2000
A method is presented that can render glossy reflections with arbitrary isotropic bidirectional reflectance distribution functions (BRDFs) at interactive rates using texture mappi...
NCA
2007
IEEE
13 years 5 months ago
2007
IEEE
—Information about the spectral reflectance of a color surface is useful in many applications. Assuming that reflectance functions can be adequately approximated by a linear comb...
CVPR
2008
IEEE
14 years 7 months ago
2008
IEEE
We present a method for simultaneously recovering shape and spatially varying reflectance of a surface from photometric stereo images. The distinguishing feature of our approach i...
SIGGRAPH
1992
ACM
13 years 9 months ago
1992
ACM
We describe a physically-based Monte Carlo technique for approximating bidirectional reflectance distribution functions (BRDFs) for a large class of geometries by directly simulat...
MOR
2010
13 years 16 days ago
2010
Given an oblique reflection map and functions , Dlim (the space of functions that have left and right limits at every point), the directional derivative () of along , evaluate...