190 search results - page 20 / 38 » Shape Estimation in Natural Illumination |
SPEECH
1998
13 years 7 months ago
1998
Tracking human lips in video is an important but notoriously dicult task. To accurately recover their motions in 3D from any head pose is an even more challenging task, though s...
CVPR
2008
IEEE
14 years 10 months ago
2008
IEEE
Color and texture have been widely used in image segmentation; however, their performance is often hindered by scene ambiguities, overlapping objects, or missing parts. In this pa...
ICRA
2007
IEEE
14 years 2 months ago
2007
IEEE
— In this paper, we propose an original approach to control camera position and/or lighting conditions in an environment using image gradient information. Our goal is to ensure a...
ICIP
2006
IEEE
14 years 9 months ago
2006
IEEE
In this paper, we propose a novel algorithm for completing rotationally symmetrical shapes under severe occlusions. The intuitive idea is to use the existing contour, under a care...
CVPR
1999
IEEE
14 years 10 months ago
1999
IEEE
A recursive method is presented for recovering 3D object shape and camera motion under orthography from an extended sequence of video images. This may be viewed as a natural exten...