Using position extrema points to capture shape in on-line handwritten signature verification.
G. K. GuptaR. C. JoycePublished in: Pattern Recognit. (2007)
Keyphrases
- handwritten signature verification
- critical points
- medial axis
- sample points
- relative position
- point sets
- feature points
- object shapes
- scale factor
- polygonal approximation
- data points
- multiscale
- finding corresponding points
- delaunay triangulation
- high curvature
- salient points
- shape descriptors
- shape representation
- single point
- image structure
- shape matching
- shape model
- coordinate frame
- geometrical constraints
- saddle points
- scale space
- shape analysis
- vector field
- image planes
- corner points
- image analysis
- contour points
- geometrical features
- d objects
- endpoints
- graph cuts