32 search results - page 2 / 7 » Motion Field Histograms for Robust Modeling of Facial Expres... |
CVPR
2010
IEEE
13 years 10 months ago
2010
IEEE
Finding fiducial facial points in any frame of a video showing rich naturalistic facial behaviour is an unsolved problem. Yet this is a crucial step for geometric-featurebased fa...
ECCV
2002
Springer
14 years 6 months ago
2002
Springer
Principal ComponentAnalysis (PCA) has been successfully applied to construct linear models of shape, graylevel, and motion. In particular, PCA has been widely used to model the var...
CVPR
2000
IEEE
14 years 6 months ago
2000
IEEE
The quest for a vision system capable of representing and recognizing arbitrary motions benefits from a low dimensional, non-specific representation of flow fields, to be used in ...
FGR
1996
IEEE
13 years 9 months ago
1996
IEEE
We extend the work of Black and Yacoob on the tracking and recognition of human facial expressions using parameterized models of optical flow to deal with the articulatedmotion of...
FGR
2011
IEEE
12 years 8 months ago
2011
IEEE
—An expression can be approximated by a sequence of temporal segments called neutral, onset, offset and apex. However, it is not easy to accurately detect such temporal segments ...