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ICCV
2005
IEEE
14 years 9 months ago
Can Two Specular Pixels Calibrate Photometric Stereo?
Lambertian photometric stereo with unknown light source parameters is ambiguous. Provided that the object imaged constitutes a surface, the ambiguity is represented by the group o...
Ondrej Drbohlav, Mike J. Chantler
RT
1998
Springer
14 years 2 hour ago
A New Change of Variables for Efficient BRDF Representation
We describe an idea for making decomposition of Bidirectional Reflectance Distribution Functions into basis functions more efficient, by performing a change-of-variables transform...
Szymon Rusinkiewicz
ECCV
2006
Springer
13 years 11 months ago
The 4-Source Photometric Stereo Under General Unknown Lighting
Many previous works on photometric stereo have shown how to recover the shape and reflectance properties of an object using multiple images taken under a fixed viewpoint and variab...
Chia-Ping Chen, Chu-Song Chen
RT
2000
Springer
13 years 11 months ago
Modeling and Rendering for Realistic Facial Animation
Abstract. Rendering realistic faces and facial expressions requires good models for the reflectance of skin and the motion of the face. We describe a system for modeling, animating...
Stephen R. Marschner, Brian K. Guenter, Sashi Ragh...
CGVR
2006
13 years 9 months ago
Design Issues and Challenges of 3-D Object Modeling and 2-D Rendering
- The challenges in modeling 3-D objects using facets and surface patches are investigated, and enhancement over the Gouraud's and Phong's interpolative shading is presen...
Omar Aboutalib, Bea Thai