602 search results - page 31 / 121 » gradient vector flow |
VISSYM
2003
13 years 11 months ago
2003
Feature tracking algorithms for instationary vector fields are usually based on a correspondence analysis of the features at different time steps. This paper introduces a method ...
ADMA
2005
Springer
14 years 3 months ago
2005
Springer
Abstract. This paper proposes a new support vector machine (SVM) with a robust loss function for data mining. Its dual optimal formation is also constructed. A gradient based algor...
VISUALIZATION
1994
IEEE
14 years 2 months ago
1994
IEEE
Vector field rendering is difficult in 3D because the vector icons overlap and hide each other. We propose four different techniques for visualizing vector fields only near surfac...
ICIP
2007
IEEE
14 years 11 months ago
2007
IEEE
Lips segmentation is a very important step in many applications such as automatic speech reading, MPEG-4 compression, special effects, facial analysis and emotion recognition. In ...
DAGM
2008
Springer
13 years 11 months ago
2008
Springer
Abstract. Virtually all variational methods for motion estimation regularize the gradient of the flow field, which introduces a bias towards piecewise constant motions in weakly te...