31 search results - page 2 / 7 » Local Optical Operators for Subpixel Scene Analysis |
BMCV
2000
Springer
13 years 9 months ago
2000
Springer
Abstract. We apply independent component analysis (ICA) for learning an efficient color image representation of natural scenes. In the spectra of single pixels, the algorithm was a...
ICPR
2008
IEEE
14 years 6 months ago
2008
IEEE
Video-surveillance systems are becoming more and more autonomous in the detection and the reporting of abnormal events. In this context, this paper presents an approach to detect ...
ICPR
2000
IEEE
13 years 10 months ago
2000
IEEE
This work is intended to give some ideas to extract motion information from an image sequence. A directional energy is defined in terms of the 1-D Hermite transform coefficients o...
ICDAR
2007
IEEE
13 years 11 months ago
2007
IEEE
Using a lexicon can often improve character recognition under challenging conditions, such as poor image quality or unusual fonts. We propose a flexible probabilistic model for c...
CVPR
2000
IEEE
14 years 7 months ago
2000
IEEE
Scene ow is the 3D motion eld of points in the world. Given N (N > 1) image sequences gather ed with a N-eye stereo camera or N calibrated cameras, we present a novel system wh...