Keyphrases
- weighted graph
- color images
- undirected graph
- spanning tree
- minimum cost
- edge weights
- shortest path
- color difference
- strongly connected
- color space
- edge detection
- disjoint paths
- directed graph
- minimum spanning trees
- color regions
- color distribution
- gradient information
- graph mining
- edge information
- color constancy
- color features
- multiscale
- edge directed
- optimal path
- graph theoretic
- color information
- graph matching
- image retrieval