43 search results - page 3 / 9 » Computing Optical Flow with Physical Models of Brightness Va... |
SCALESPACE
2007
Springer
15 years 3 months ago
2007
Springer
In this paper, we address the topic of estimating two-frame dense optical flow from the monogenic curvature tensor. The monogenic curvature tensor is a novel image model, from whi...
FGR
2002
IEEE
15 years 2 months ago
2002
IEEE
In this paper, we present a scheme for face authentication in the presence of variations. To deal with variations, such as facial expressions and registration errors, with which t...
IJCV
2006
14 years 9 months ago
2006
Variational methods are among the most accurate techniques for estimating the optic flow. They yield dense flow fields and can be designed such that they preserve discontinuities, ...
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ECCV
2004
Springer
15 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...
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CVPR
2008
IEEE
15 years 11 months ago
2008
IEEE
Lambert's model is widely used in low level computer vision algorithms such as matching, tracking or optical flow computation for example. However, it is well known that thes...