A new wavelet-based edge detector via constrained optimization.
Jun-Wei HsiehMing-Tat KoHong-Yuan Mark LiaoKuo-Chin FanPublished in: Image Vis. Comput. (1997)
Keyphrases
- constrained optimization
- edge detector
- edge detection
- constrained optimization problems
- wavelet transform
- gray level
- scale space
- multiresolution
- constraint handling
- unconstrained optimization
- edge detection algorithms
- interval analysis
- figure of merit
- penalty function
- gradient vector
- edge localization
- region segmentation
- wavelet domain
- objective function
- edge points
- zero crossing
- edge detection algorithm
- edge map
- signal to noise ratio
- matching criterion
- step edges
- image processing
- lagrange multipliers
- optimization problems
- co occurrence