6MULLER H, MULLER W. Performance evaluation in context-based image retrieval: Overview and proposals [ J ]. Pattern Recognition Letters, 2001, ( 22 ) : 593-601.
7YONG R. Image retrieval. Current techniques, promising directions and open issue [ J ]. Journal of visual Communication and Image Representation, 1999,10(3) :39-62.
8KANKANHALLI M S. Cluster-based color matching for image retrieval[ J]. Pattern Recognition Letterss, 2001, 22:447-455.