416 search results - page 38 / 84 » Recovering Occlusion Boundaries from a Single Image |
IWVF
2001
Springer
14 years 7 days ago
2001
Springer
We consider the problem of recognizing an object from its silhouette. We focus on the case in which the camera translates, and rotates about a known axis parallel to the image, suc...
CVPR
2011
IEEE
13 years 4 months ago
2011
IEEE
We relax the long-held and problematic assumption in shape-from-shading (SFS) that albedo must be uniform or known, and address the problem of “shape and albedo from shading” ...
ICPR
2002
IEEE
14 years 9 months ago
2002
IEEE
Previous research in automatic facial expression recognition has been limited to recognition of gross expression categories (e.g., joy or anger) in posed facial behavior under wel...
CVPR
2004
IEEE
14 years 9 months ago
2004
IEEE
We study the problem of estimating the illuminant's direction from images of textured surfaces. Given an isotropic, Gaussian random surface with constant albedo, Koenderink an...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
This paper addresses the problem of video anomaly recovery from a sequence of spectrally compressed video frames. Analysis of anomalies occurring in both time and spectrum is impo...