A local orientation coherency weighted color gradient for edge detection.
Jian FanPublished in: ICIP (3) (2005)
Keyphrases
- edge detection
- multiscale
- image processing
- color images
- noisy images
- edge detector
- anisotropic diffusion
- edge information
- step edges
- edge orientation
- edge detection algorithm
- gradient magnitude
- spatial frequency
- zero crossing
- image enhancement
- color information
- gradient information
- color space
- region growing
- gabor filters
- gabor filtering
- directional filters
- recursive filtering
- color features
- signal to noise ratio
- edge points
- noise estimation
- orientation estimation
- weighted sum
- color histogram
- position and orientation
- scale space