541 search results - page 56 / 109 » Robust Optic Flow Computation |
ICCV
2007
IEEE
14 years 9 months ago
2007
IEEE
Ricci flow is a powerful curvature flow method in geometric analysis. This work is the first application of surface Ricci flow in computer vision. We show that previous methods ba...
ICPR
2008
IEEE
14 years 9 months ago
2008
IEEE
We consider the problem of auto-calibration of cameras, which are fixed in location but are free to rotate while changing their internal parameters by zooming. Our method is based...
ICCV
2007
IEEE
14 years 9 months ago
2007
IEEE
An interactive framework for soft segmentation and matting of natural images and videos is presented in this paper. The proposed technique is based on the optimal, linear time, co...
ECCV
1998
Springer
14 years 9 months ago
1998
Springer
In this paper we present a method to derive 3D shape and surface texture of a human face from a single image. The method draws on a general flexible 3D face model which is "le...
ICPR
2006
IEEE
14 years 8 months ago
2006
IEEE
We describe a new expression database which contains video sequences of both played and natural expressions and an expression classification system based on warped optical flow fi...