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Image retrieval based on histogram of fractal parameters

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3 Author(s)
Minghong Pi ; Dept. of Comput. Sci., Univ. of Alberta, Edmonton, Alta., Canada ; Mandal, M.K. ; Basu, A.

Image indexing and retrieval techniques are important for efficient management of visual databases. These techniques are generally developed based on the associated compression techniques. In the fractal domain, luminance offset and contrast scaling parameter are typically used as the fractal indices. However, luminance offset and contrast scaling parameter are strongly correlated. In this paper, we prove that range block mean and contrast scaling parameters are independent. Based on this independence, we propose four statistical indices for efficient image retrieval. In addition, we propose an efficient hierarchical indexing strategy based on the de and ac component analysis. Experimental results on a database of 416 texture images, created by decomposing 26 images, indicate that the proposed indices significantly improve the retrieval rate, compared to other retrieval methods.

Published in:

Multimedia, IEEE Transactions on  (Volume:7 ,  Issue: 4 )