226 search results - page 25 / 46 » Deriving Facial Articulation Models from Image Sequences |
AIPR
2001
IEEE
13 years 11 months ago
2001
IEEE
When estimating the dense motion field of a video sequence, if little is known or assumed about the content, a limited constraint approach such as optical flow must be used. Since...
CVPR
2008
IEEE
14 years 9 months ago
2008
IEEE
This paper presents an approach for including 3D prior models into a factorization framework for structure from motion. The proposed method computes a closed-form affine fit which...
ICRA
2008
IEEE
14 years 2 months ago
2008
IEEE
— Gait recognition has recently gained attention as an effective approach to identify individuals at a distance from a camera. Most existing gait recognition algorithms assume th...
DGCI
2000
Springer
14 years 3 days ago
2000
Springer
Abstract. We present a new algorithm for modeling and characterizing shape changes in 3D image sequences of biomedical structures. Our algorithm tracks the shape changes of the obj...
FGR
2004
IEEE
13 years 11 months ago
2004
IEEE
Tracking a moving person is challenging because a person's appearance in images changes significantly due to articulation, viewpoint changes, and lighting variation across a ...