602 search results - page 38 / 121 » gradient vector flow |
ICCV
1999
IEEE
14 years 11 months ago
1999
IEEE
In this paper we address the problem of estimating and analyzing the motion in image sequences that involve fluid phenomena. In this context standard motion estimation techniques ...
PAMI
2007
13 years 9 months ago
2007
—In this paper, we present a new model for deformations of shapes. A pseudolikelihood is based on the statistical distribution of the gradient vector field of the gray level. The...
CG
2002
Springer
13 years 9 months ago
2002
Springer
The paper presents a topology-based visualization method for time-dependent two-dimensional vector elds. A time interpolation enables the accurate tracking of critical points and ...
TIP
2010
13 years 8 months ago
2010
—We introduce a robust image segmentation method based on a variational formulation using edge flow vectors. We demonstrate the nonconservative nature of this flow field, a fe...
VECPAR
2000
Springer
14 years 1 months ago
2000
Springer
A parallel implementation of the specialized interior-point algorithm for multicommodity network flows introduced in [5] is presented. In this algorithm, the positive definite syst...