Keyphrases
- image contours
- shape description
- fourier descriptors
- contour points
- contour extraction
- shape features
- chain code
- shape model
- contour matching
- polygonal approximation
- arbitrary shape
- shape matching
- geometric shapes
- image structure
- global shape
- object contours
- shape analysis
- object features
- closed curves
- shape descriptors
- feature points
- distance map
- shape retrieval
- image gradient
- perceptual grouping
- medial axis
- ellipse fitting
- shape representation
- contour segments
- affine transformation
- shape constraints
- cluttered images
- chamfer matching
- illusory contours
- shape deformation
- delaunay triangulation
- deformable template
- geometrical features
- force field
- intensity information
- contour detection
- active contour model
- shape prior
- active contours