Edge detection using zero crossings of directional derivatives of a random field model.
Yitong ZhouRama ChellappaV. VenkateswarPublished in: ICASSP (1986)
Keyphrases
- zero crossing
- directional derivatives
- random field model
- edge detection
- multiscale
- edge detector
- scale space
- random fields
- wavelet transform
- image enhancement
- image processing
- edge information
- coarse to fine
- region growing
- mathematical morphology
- signal to noise ratio
- wavelet coefficients
- edge map
- gray scale images
- image segmentation
- computer vision
- palmprint
- image intensity
- single image