146 search results - page 4 / 30 » A New Approach to Tracking with Active Contours |
ICASSP
2008
IEEE
14 years 2 months ago
2008
IEEE
In order to achieve both fast tracking and accurate object extraction, we present in this paper an original real-time active contour method, incorporating different feature maps i...
PAMI
2008
13 years 7 months ago
2008
Recently proposed Sobolev active contours introduced a new paradigm for minimizing energies defined on curves by changing the traditional cost of perturbing a curve and thereby red...
ICIP
2009
IEEE
14 years 8 months ago
2009
IEEE
Tongue Ultrasound imaging is widely used for human speech production analysis and modeling. In this paper, we propose a novel method to automatically detect and track the tongue c...
SCALESPACE
2007
Springer
14 years 1 months ago
2007
Springer
Recently, the Sobolev metric was introduced to define gradient flows of various geometric active contour energies. It was shown that the Sobolev metric out-performs the tradition...
ICCV
2011
IEEE
12 years 7 months ago
2011
IEEE
We present an active geodesic contour model in which we constrain the evolving active contour to be a geodesic with respect to a weighted edge-based energy through its entire evol...