Keyphrases
- invariant properties
- planar shapes
- moment invariants
- programming language
- shape model
- invariant features
- shape features
- shape representation
- affine transformation
- shape descriptors
- shape analysis
- shape similarity
- preserving transformations
- fourier descriptors
- invariant representation
- statistical shape model
- geometric transformations
- shape variations
- shape deformations
- quasi invariant
- open or closed
- computer vision
- invariant descriptors
- arbitrary dimension
- shape retrieval
- shape prior
- face recognition