91 search results - page 13 / 19 » Estimation of Non-Cartesian Local Structure Tensor Fields |
VIS
2004
IEEE
14 years 8 months ago
2004
IEEE
We present a tool for real-time visualization of motion features in 2D image sequences. The motion is estimated through an eigenvector analysis of the spatiotemporal structure ten...
CISS
2008
IEEE
14 years 2 months ago
2008
IEEE
Abstract – In this paper, a variational message passing framework is proposed for Markov random fields. Analogous to the traditional belief propagation algorithm, variational mes...
CVPR
2004
IEEE
14 years 9 months ago
2004
IEEE
The Gaussian kernel has played a central role in multi-scale methods for feature extraction and matching. In this paper, a method for shaping the filter using the local image stru...
CVPR
2004
IEEE
14 years 9 months ago
2004
IEEE
We study the problem of estimating the illuminant's direction from images of textured surfaces. Given an isotropic, Gaussian random surface with constant albedo, Koenderink an...
JFR
2008
13 years 7 months ago
2008
We propose a novel combination of techniques for robustly estimating the position of a mobile robot in outdoor environments using range data. Our approach applies a particle filte...