10 search results - page 1 / 2 » Lucas-Kanade without Iterative Warping |
ICIP
2006
IEEE
14 years 6 months ago
2006
IEEE
Many methods for motion computation and object tracking are based on the Lucas-Kanade (LK) framework [1]. We present a method which substantially speeds up the LK approach while p...
ICIP
2001
IEEE
14 years 6 months ago
2001
IEEE
Gradient-based optical flow estimation methods such as LucasKanade method work well for scenes with small displacements but fail when objects move with large displacements. Hierar...
CVPR
2010
IEEE
14 years 27 days ago
2010
IEEE
Image alignment in the presence of non-rigid distortions is a challenging task. Typically, this involves estimating the parameters of a dense deformation field that warps a disto...
PAMI
2008
13 years 4 months ago
2008
In this work, we propose the use of a modified version of the correlation coefficient as a performance criterion for the image alignment problem. The proposed modification has the ...
CRV
2005
IEEE
13 years 10 months ago
2005
IEEE
This paper describes an algorithm which calculates the approximate head pose of partially occluded faces without training or manual initialization. The presented approach works on...