812 search results - page 14 / 163 » Edge detection using wavelets |
ISVC
2005
Springer
14 years 3 months ago
2005
Springer
This research features a novel approach that efficiently detects depth edges in real world scenes. Depth edges play a very important role in many computer vision problems because t...
ICIAR
2007
Springer
14 years 4 months ago
2007
Springer
This paper presents a closed edge detection method based on a level lines selection approach. The proposed method is based on an unsupervised probabilistic scheme using an a contra...
BIOSTEC
2008
13 years 11 months ago
2008
Abstract. The wavelet transform is a widely used pre-filtering step for subsequent R spike detection by thresholding of the coefficients. The time-frequency decomposition is indeed...
ICPR
2002
IEEE
14 years 2 months ago
2002
IEEE
Detecting and recognizing face images automatically is a difficult task due to the variability of illumination, presentation angle, face expression and other common problems of m...
ICPR
2010
IEEE
13 years 12 months ago
2010
IEEE
Active contour methods like snakes, have become a basic tool in computer vision and image analysis over the last years. They have proven to be adequate for the task of finding bou...