812 search results - page 14 / 163 » Edge detection using wavelets |
105
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ISVC
2005
Springer
15 years 5 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
15 years 6 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
15 years 1 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...
104
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ICPR
2002
IEEE
15 years 4 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
15 years 1 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...