122 search results - page 15 / 25 » Local grouping for optical flow |
BMVC
2010
13 years 5 months ago
2010
We present a fully automatic approach for facial expression recognition based on a representation of facial motion using a vocabulary of local motion descriptors. Previous studies...
ICPR
2008
IEEE
14 years 8 months ago
2008
IEEE
Video-surveillance systems are becoming more and more autonomous in the detection and the reporting of abnormal events. In this context, this paper presents an approach to detect ...
CVPR
2009
IEEE
15 years 2 months ago
2009
IEEE
We present a novel method for modeling dynamic visual
phenomena, which consists of two key aspects. First, the in-
tegral motion of constituent elements in a dynamic scene is
ca...
CVPR
2000
IEEE
14 years 9 months ago
2000
IEEE
Scene ow is the 3D motion eld of points in the world. Given N (N > 1) image sequences gather ed with a N-eye stereo camera or N calibrated cameras, we present a novel system wh...
BMVC
2000
13 years 9 months ago
2000
This paper introduces an object recognition strategy based on the following premises: i) an object can be identified on the basis of the optical flow it induces on a stationary ob...