163 search results - page 23 / 33 » Recognizing Facial Expressions by Tracking Feature Shapes |
ICIP
2007
IEEE
15 years 11 months ago
2007
IEEE
This paper describes an original method for classifying object motion trajectories in video sequences in order to recognize dynamic events. Similarities between trajectories are e...
107
click to vote
FGR
2011
IEEE
14 years 1 months ago
2011
IEEE
— In this work, we present novel warping algorithms for full 2D pixel-grid deformations for face recognition. Due to high variation in face appearance, face recognition is consid...
ICCV
2001
IEEE
15 years 11 months ago
2001
IEEE
We present a comprehensive treatment of 3D object tracking by posing it as a nonlinear state estimation problem. The measurements are derived using the outputs of shape-encoded fi...
185
click to vote
PAMI
2011
14 years 4 months ago
2011
—Human faces are remarkably similar in global properties, including size, aspect ratio, and location of main features, but can vary considerably in details across individuals, ge...
IJCV
2000
14 years 9 months ago
2000
Optical flow provides a constraint on the motion of a deformable model. We derive and solve a dynamic system incorporating flow as a hard constraint, producing a model-based least...