352 search results - page 25 / 71 » Robustly Estimating Changes in Image Appearance |
ICPR
2006
IEEE
14 years 7 months ago
2006
IEEE
Most face recognition systems only work well under quite constrained environments. In particular, the illumination conditions, facial expressions and head pose must be tightly con...
CVPR
2008
IEEE
14 years 8 months ago
2008
IEEE
Robustness to illumination variations is a key requirement for the problem of change detection which in turn is a fundamental building block for many visual surveillance applicati...
CVPR
2008
IEEE
14 years 8 months ago
2008
IEEE
Visual tracking usually involves an optimization process for estimating the motion of an object from measured images in a video sequence. In this paper, a new evolutionary approac...
ICPR
2006
IEEE
14 years 7 months ago
2006
IEEE
In this paper, a robust technique is proposed to detect and track a set of twenty-eight prominent facial features under various facial expressions and face orientations in real-ti...
ICPR
2000
IEEE
13 years 10 months ago
2000
IEEE
Traditional techniques for tracking non-rigid objects such as optical flow, correlation, active contours or color, can not deal with situations where image changes are not due to ...