144 search results - page 22 / 29 » Converting Level Set Gradients to Shape Gradients |
ECCV
2004
Springer
13 years 11 months ago
2004
Springer
In this paper we develop a systematic theory about local structure of moving images in terms of Galilean differential invariants. We argue that Galilean invariants are useful for s...
CVPR
1999
IEEE
14 years 9 months ago
1999
IEEE
This paper presents a variational method for supervised texture segmentation, which is based on ideas coming from the curve propagation theory. We assume that a preferable texture...
CVPR
2007
IEEE
14 years 9 months ago
2007
IEEE
This paper proposes a discriminative framework for efficiently aligning images. Although conventional Active Appearance Models (AAM)-based approaches have achieved some success, t...
ICIP
2001
IEEE
14 years 9 months ago
2001
IEEE
We present an approach to tracking human activities in a monocular video. We model the human body by decomposing it into torso and limbs and use simple 3D shapes to approximate th...
INFOCOM
2006
IEEE
14 years 1 months ago
2006
IEEE
— For a wide variety of sensor network environments, location information is unavailable or expensive to obtain. We propose a location-free, lightweight, distributed, and data-ce...