Hierarchical Shape Description and Similarity-Invariant Recognition Using Gradient Propagation.
Jezekiel Ben-ArieZhiqian WangPublished in: Int. J. Pattern Recognit. Artif. Intell. (2001)
Keyphrases
- shape description
- planar shapes
- shape descriptors
- shape retrieval
- fourier descriptors
- similarity measure
- shape representation
- affine transformation
- distance measure
- shape matching
- edge detection
- morphological operations
- affine invariant
- viewpoint
- coarse to fine
- distance function
- high dimensional
- feature extraction
- shape analysis
- euclidean distance