136 search results - page 3 / 28 » A Variational Approach for Object Contour Tracking |
ICIP
2002
IEEE
14 years 6 months ago
2002
IEEE
This paper presents an efficient method to integrate various spatial-temporal constraints to regularize the contour tracking. The global shape of the contour is represented in a p...
TIP
2002
13 years 4 months ago
2002
We propose a new method for contour tracking in video. The inverted distance transform of the edge map is used as an edge indicator function for contour detection. Using the concep...
ICIP
2001
IEEE
14 years 6 months ago
2001
IEEE
A common problem in most active contour methods is that the recursive searching scheme can only return a local optimal solution. Furthermore, the internal energy of the snake is n...
JMIV
2008
13 years 4 months ago
2008
Vector fields arise in many problems of computer vision, particularly in non-rigid registration. In this paper, we develop coupled partial differential equations (PDEs) to estimat...
JMM2
2007
13 years 4 months ago
2007
— This paper makes new contributions in motion detection, object segmentation and trajectory estimation to create a successful object tracking system. A new efficient motion det...