602 search results - page 59 / 121 » gradient vector flow |
APVIS
2011
12 years 10 months ago
2011
Visualization of flow fields with geometric primitives is often challenging due to occlusion that is inevitably introduced by 3D streamlines. In this paper, we present a novel v...
ICIP
2001
IEEE
14 years 11 months ago
2001
IEEE
The lifting scheme provides a general and flexible tool for the construction of wavelet decompositions and perfect reconstruction filter banks. In this paper we propose an adaptiv...
ICPR
2002
IEEE
14 years 11 months ago
2002
IEEE
In this paper we present a novel method to estimate curvature of iso grey-level surfaces in grey-value images. Our method succeeds where isophote curvature fails. There is neither...
ICPR
2008
IEEE
14 years 4 months ago
2008
IEEE
We propose a method for recognizing human actions in videos. Inspired from the recent bag-of-words approaches, we represent actions as documents consisting of words, where a word ...
MP
2006
13 years 10 months ago
2006
There are many applications related to singly linearly constrained quadratic programs subjected to upper and lower bounds. In this paper, a new algorithm based on secant approximat...