164 / 1971-01-01 00:00:00

Medical Image Retrieval Algorithm Based On Texture And Shape Features

Medical Image Retrieval,Contourlet transform,Zernike moments,texture feature extraction,shape feature extraction

An medical image feature extraction algorithm based on texture shape and texture information is proposed. The Contourlet transform combines non-separable and directional filters banks, and has multiscale and directional properties. It is used for texture feature extraction. As a region-based shape descriptor, Zernike moments have good rotation invariance. It is used for shape feature extraction. Then, combining the two features . In order to verify the effectiveness of the algorithm, a content-based medical image retrieval prototype is built. Experimental results show that it improves the retrieval accuracy of the system.