812 search results - page 51 / 163 » Edge detection using wavelets |
ICASSP
2008
IEEE
14 years 4 months ago
2008
IEEE
We present a novel directionally adaptive image interpolation based on a multiple-direction wavelet transform, called directionlets. The algorithm uses directionlets to efficient...
ICASSP
2011
IEEE
13 years 1 months ago
2011
IEEE
In the field of detection and monitoring of dynamic objects in quasi-static scenes, background subtraction techniques where background is modeled at pixel-level, although showing ...
ICRA
2009
IEEE
14 years 4 months ago
2009
IEEE
—This paper presents a new method for extracting object edges from range images obtained by a 3D range imaging sensor⎯the SwissRanger SR-3000. In range image preprocessing stag...
ICASSP
2007
IEEE
14 years 4 months ago
2007
IEEE
Alterations in the number of DNA copies are very common in tumor cells and may have a very important role in cancer development and progression. New array platforms provide means ...
IBPRIA
2005
Springer
14 years 3 months ago
2005
Springer
In this paper, we propose a new method to extract moving objects from a video stream without any motion estimation. The objective is to obtain a method robust to noise, large motio...