[1] Yong Rui,Thomas S Huang,Sharad Mehrotra.Content-based image retrieval with relevance feedback in MARS[A].Proceedings of the IEEE International Conference on Image Processing[C].New York:IEEE,1997.815-818.

[2] Lei Zhu,Aidong Zhang,Aibing Rao et al.Keyblock:An approach for content-based image retrieval[A].Proceedings of the 8th ACM Multimedia[C].CA,Los Angeles:[sn],2000.157-166.

[3] Jesus Favela,Victoria Meza.Image-retrieval agent:integrating image content and text[J].Intelligent System and Their Application,1999,5(14):36-39.

[4] Arjen P.de Vries,Thijs Westerveld.A comparison of continuous vs.discrete image models for probabilistic image and video retrieval[J].Image Processing,2004,8(4):2387-2390.

[5] Ramasubramanian V and Paliwal Kuldip K.An efficient approximation-elimination algorithm for fast nearest-neighbor,search based on a spherical distance coordinate formulation[J].Pattern Recognition Letters,1992,7(13):471-480.

[6] Delp E.J.Image compression using block truncation coding[J].IEEE Trans.on Comm,1979,27:1335-1342.