602 search results - page 32 / 121 » gradient vector flow |
CVPR
2003
IEEE
14 years 12 months ago
2003
IEEE
Although linear representations are frequently used in image analysis, their performances are seldom optimal in specific applications. This paper proposes a stochastic gradient al...
ECCV
2004
Springer
14 years 11 months ago
2004
Springer
Abstract. We study an energy functional for computing optical flow that combines three assumptions: a brightness constancy assumption, a gradient constancy assumption, and a discon...
ECCV
2008
Springer
14 years 11 months ago
2008
Springer
Assumptions of brightness constancy and spatial smoothness underlie most optical flow estimation methods. In contrast to standard heuristic formulations, we learn a statistical mod...
ECCV
2006
Springer
14 years 11 months ago
2006
Springer
Detecting humans in films and videos is a challenging problem owing to the motion of the subjects, the camera and the background and to variations in pose, appearance, clothing, il...
VLSM
2005
Springer
14 years 3 months ago
2005
Springer
The need to regularize tensor fields arise recently in various applications. We treat in this paper tensors that belong to matrix Lie groups. We formulate the problem of these SO(...