Using Topological Sweep to Extract the Boundaries of Regions in Maps Represented by Region Quadtrees.
Michael B. DillencourtHanan SametPublished in: Algorithmica (1996)
Keyphrases
- region boundaries
- adjacent regions
- image regions
- region homogeneity
- homogeneous regions
- region of interest
- region detection
- input image
- image segmentation
- spatial regions
- connected components
- region segmentation
- closed contours
- data structure
- segmented regions
- object region
- quadtree
- geographical regions
- boundary information
- object boundaries
- region level
- region matching
- connected regions
- maximally stable
- topological map
- region growing
- image pixels
- segmented images
- object contours
- region descriptors
- foreground and background
- segmentation scheme
- image representation
- segmentation algorithm
- scan statistic
- geometric objects
- topological relationships
- topological relations
- image edges
- edge map
- feature maps
- object regions
- salient regions
- intensity distribution
- r tree
- neighboring regions
- boundary points
- global structure
- image features