Keyphrases
- weighted graph
- undirected graph
- edge detection
- edge weights
- three dimensional
- edge information
- directed graph
- graph matching
- edge segments
- adjacency graph
- human faces
- face images
- minimum spanning trees
- facial expressions
- graph theoretic
- edge detector
- facial features
- graph representation
- graph clustering
- graph mining
- spanning tree
- graph model
- recognition algorithm
- d objects