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To improve the retrieval rate of contourlet transform texture image retrieval systems and reduce the redundancy of contourlet which cost two much time in building feature vector database, a wavelet-contourlet transform retrieval system was proposed. In the system, wavelet-contourlet was constructed by wavelet transform at coarser scales and contourlet transform at finer scales, the mixed transform...
Contourlet transform has better performance in directional information representation than wavelet transform and has been studied by many researchers in retrieval systems and has been shown that it is superior to wavelet ones at retrieval rate. In order to improve the retrieval rate further, a contourlet transform based texture image retrieval system was proposed in this paper. In the system, absolute...
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