Hierarchical representation of 2-D shapes using convex polygons: a contour-based approach.
Ossama El BadawyMohamed S. KamelPublished in: Pattern Recognit. Lett. (2005)
Keyphrases
- hierarchical representation
- minkowski sum
- convex polyhedra
- convex hull
- object centered
- digital convexity
- contour points
- shape description
- multiresolution
- coarse to fine
- polygonal approximation
- contour detection
- active contours
- fourier descriptors
- chain code
- contour extraction
- active contour model
- image contours
- closed contours
- multiscale
- shape model
- cell complexes
- arbitrary dimension
- arbitrary shape
- shape recognition
- closed curves
- shape matching
- image segmentation
- convex optimization
- shape descriptors
- digital curves
- energy function
- convexity measure