Affine-invariant curve normalization for object shape representation, classification, and retrieval.
Yannis AvrithisYiannis XirouhakisStefanos D. KolliasPublished in: Mach. Vis. Appl. (2001)
Keyphrases
- shape representation
- affine invariant
- arc length
- fourier descriptors
- object matching
- planar curves
- curvature scale space
- shape retrieval
- multiscale
- shape analysis
- matching algorithm
- affine transformation
- object shape
- curve matching
- shape matching
- shape descriptors
- pattern recognition
- similarity retrieval
- feature vectors
- feature extraction
- computationally efficient
- d objects
- shape variations
- object detection
- coarse to fine
- corner detection
- object classes
- machine learning
- training set
- feature selection
- computer vision