Image enhancement based on logarithmic transform coefficient and adaptive histogram equalization. Hossain, M., F. & Alsharif, M., R. 2007 International Conference on Convergence Information Technology, ICCIT 2007, 27(10):1439-1444, 2007.
Image enhancement based on logarithmic transform coefficient and adaptive histogram equalization [pdf]Paper  doi  abstract   bibtex   
This paper will present an enhancement technique based upon a new application of contrast limited adaptive histograms on transform domain coefficients called logarithmic transform coefficient adaptive histogram equalization (LTAHE). The method is based on the properties of logarithmic transform domain histogram and contrast limited adaptive histogram equalization. A measure of enhancement based on contrast measure with respect to transform will be used as a tool for evaluating the performance of the proposed enhancement technique and for finding optimal values for variables contained in the enhancement. The algorithm's performance will be compared quantitatively to classical histogram equalization using the aforementioned measure of enhancement. Experimental results will be presented to show the performance of the proposed algorithm alongside classical histogram equalization. © 2007 IEEE.

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