448 search results - page 79 / 90 » Fast and robust active contours for image segmentation |
ICCV
2003
IEEE
14 years 9 months ago
2003
IEEE
This paper addresses the problem of calibrating camera lens distortion, which can be signi?cant in medium to wide angle lenses. While almost all existing nonmetric distortion cali...
ICCV
2001
IEEE
14 years 9 months ago
2001
IEEE
We cast the problem of multiframe stereo reconstruction of a smooth shape as the global region segmentation of a collection of images of the scene. Dually, the problem of segmenti...
CVIU
2011
13 years 2 months ago
2011
In this paper we propose an approach for action recognition based on a vocabulary of local motion-appearance features and fast approximate search in a large number of trees. Large...
CVPR
2006
IEEE
14 years 9 months ago
2006
IEEE
We present a 3-level hierarchical model for localizing human bodies in still images from arbitrary viewpoints. We first fit a simple tree-structured model defined on a small landm...
CVPR
2011
IEEE
13 years 3 months ago
2011
IEEE
Many computer vision tasks can be formulated as labeling problems. The desired solution is often a spatially smooth labeling where label transitions are aligned with color edges o...