Keyphrases
- image gradient
- gradient field
- multiple scales
- gradient information
- shape descriptors
- edge information
- shape representation
- shape retrieval
- shape model
- image structure
- shape features
- multiscale
- shape matching
- vector field
- image segmentation
- low contrast
- perceptual grouping
- surface reconstruction
- shape analysis
- shape recognition
- edge detection
- intensity gradient
- shape change