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Use the chest radiographs for study,a new image retrieval method based on multi-band wavelet transformation is presented. Firstly,an image is decomposed by multi-band wavelet and the coefficients of each component are extracted; Secondly,row modulus maxima density,column modulus maxima density and modulus maxima energy of each component are computed by analyzing the coefficients,and the eigenvector...
The homogeneous texture descriptor is one of MPEG-7 texture descriptors. This descriptor describes the texture information of an image or the region of interest in an image. A new texture feature wedge feature is proposed, which emphasizes the texture direction. The homogeneous texture descriptor owning the new feature is more suitable to content-based image retrieval system. The experimental results...
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