16 search results - page 2 / 4 » Using Specularities to Recover Multiple Light Sources in the... |
CVPR
2007
IEEE
14 years 9 months ago
2007
IEEE
We present an algorithm for performing Lambertian photometric stereo in the presence of shadows. The algorithm has three novel features. First, a fast graph cuts based method is u...
ICCV
2011
IEEE
12 years 7 months ago
2011
IEEE
Global illumination effects such as inter-reflections and subsurface scattering result in systematic, and often significant errors in scene recovery using active illumination. R...
CVPR
2009
IEEE
15 years 1 months ago
2009
IEEE
Most active scene recovery techniques assume that a scene point is illuminated only directly by the illumination source. Consequently, global illumination effects due to inter-refl...
ACCV
2010
Springer
13 years 2 months ago
2010
Springer
We present a new approach to robustly solve photometric stereo problems. We cast the problem of recovering surface normals from multiple lighting conditions as a problem of recover...
ACCV
2007
Springer
14 years 1 months ago
2007
Springer
We present a simple and practical approach for segmenting un-occluded items in a scene by actively casting shadows. By ’items’, we refer to objects (or part of objects) enclose...