147 search results - page 13 / 30 » Motion Estimation with Incomplete Information Using Omni-Dir... |
MM
2004
ACM
14 years 1 months ago
2004
ACM
Motion information is a powerful cue for visual perception. In the context of video indexing and retrieval, motion content serves as a useful source for compact video representati...
ICPR
2004
IEEE
14 years 8 months ago
2004
IEEE
In this paper, we study the use of optical flow as a characteristic for tracking. We analyze the behavior of three flowbased observation models for particle filter algorithms, and...
WACV
2005
IEEE
14 years 1 months ago
2005
IEEE
— This paper describes a new method to improve inertial navigation using feature-based constraints from one or more video cameras. The proposed method lengthens the period of tim...
ICCV
2007
IEEE
14 years 9 months ago
2007
IEEE
We consider the problem of estimating the relative orientation of a number of individual photocells -or pixels- that hold fixed relative positions. The photocells measure the inte...
CVPR
1998
IEEE
14 years 9 months ago
1998
IEEE
We have developed a computer vision system, including both facial feature extraction and recognition, that automatically discriminates among subtly different facial expressions. E...