510 search results - page 38 / 102 » Gradient Estimation Revitalized |
EDUTAINMENT
2006
Springer
14 years 1 months ago
2006
Springer
In this paper, we formulate the image matting as one of solving energy minimization problems. Our approach has the following advantages. First, the matte estimation is modeled usin...
CVPR
2010
IEEE
14 years 6 months ago
2010
IEEE
We propose a new scheme to estimate image bias field through introducing two sparsity constraints. One is that the bias-free image has concise representation with image gradients o...
ICVS
2009
Springer
14 years 4 months ago
2009
Springer
Abstract We present a new system for 3D head tracking and pose estimation in low-resolution, multi-view environments. Our approach consists of a joint particle filter scheme, that...
NIPS
1998
13 years 11 months ago
1998
We describe a new iterative method for parameter estimation of Gaussian mixtures. The new method is based on a framework developed by Kivinen and Warmuth for supervised on-line le...
ICIP
2003
IEEE
14 years 11 months ago
2003
IEEE
In stereovision systems, the depth information of objects in the scene can be obtained by estimating the disparity, i.e. the displacement of corresponding pixels in the image pair...