Keyphrases
- preserving transformations
- arc length
- planar curves
- curve matching
- affine transformation
- affine invariant
- b spline
- projective invariants
- gaussian curvature
- signature recognition
- signature verification
- closed curves
- neural network
- differential geometry
- curve fitting
- control points
- shape analysis
- genetic algorithm
- digital curves
- invariant features
- least squares
- similarity measure
- feature extraction
- geometric invariants
- invariant representations
- implicit polynomial
- database