48 search results - page 5 / 10 » Non-linear approximation of reflectance functions |
Publication
We propose to combine a triangular element surface model with a linearized reflectance map to formulate the shape-from-shading problem. The main idea is to approximate a smooth sur...
TASLP
2008
13 years 9 months ago
2008
The performance of spoken language recognition system is typically formulated to reflect the detection cost and the strategic decision points along the detection-error-tradeoff cur...
VC
2008
13 years 9 months ago
2008
Abstract We present an efficient method for importance sampling the product of multiple functions. Our algorithm computes a quick approximation of the product on-the-fly, based on ...
CGF
2008
13 years 9 months ago
2008
We present a method for rendering approximate soft shadows and diffuse indirect illumination in dynamic scenes. The proposed method approximates the original scene geometry with a...
ICPR
2004
IEEE
14 years 10 months ago
2004
IEEE
This paper presents a new surface reconstruction method that extends previous carving methods for non-Lambertian objects by integrating the smoothness and image information of dif...