18 search results - page 2 / 4 » Reflections on the Generalized Bas-Relief Ambiguity |
ICCV
2005
IEEE
14 years 7 months ago
2005
IEEE
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...
ICCVW
1999
Springer
13 years 9 months ago
1999
Springer
The prevailing efforts to study the standard formulation of motion and structure recovery have been recently focused on issues of sensitivity and and robustness of existing techn...
ICCV
2003
IEEE
14 years 7 months ago
2003
IEEE
Under the Lambertian reflectance model, uncalibrated photometric stereo with unknown light sources is inherently ambiguous. In this paper, we consider the use of a more general re...
HT
2005
ACM
13 years 11 months ago
2005
ACM
When reflecting on information, spatial hypermedia users express their understanding of the information’s structure visually. In order to facilitate this process, spatial hyperm...
CVPR
2001
IEEE
14 years 7 months ago
2001
IEEE
Work on photometric stereo has shown how to recover the shape and reflectance properties of an object using multiple images taken with a fixed viewpoint and variable lighting cond...