Eliminating contour line artefacts by using constrained edges.
Ivana KolingerováMatyás DolákVáclav StrychPublished in: Comput. Geosci. (2009)
Keyphrases
- intersection points
- edge map
- edge linking
- image contours
- image structure
- canny edge
- closed contours
- object contours
- line segments
- corner points
- image gradient
- edge detector
- directed graph
- edge information
- chain code
- edge segments
- boundary extraction
- active contours
- contour tracking
- curvilinear structures
- edge strength
- circular arcs
- image segmentation
- contour extraction
- active contour model
- endpoints
- straight line
- d objects
- polygonal approximation
- fourier descriptors
- control points
- undirected graph
- weighted graph
- contour matching
- line drawings
- gray level
- image processing