[2] TANG Jin-shan. Image enhancement using a contrast measure in the compressed domain [J]. IEEE Signal Processing Letters (S1070-9908)，2003，10(10)：289-292.

[3] SUN Qing-ling，TANG Jin-shan. A new contrast measure based image enhancement algorithm in the DCT domain [C]//IEEE International Conference on Systems，Man and Cybernetics，Washington DC，USA，Oct 5-8，2003：2055-2058.

[4] Eduardo Esteves Vale，Abraham Alcaim. Image Enhancement in the 2D DCT Domain Using a Band-adaptive Contrast Modification[C]//3rd International Symposium on Communication，Control and Signal Processing，St. Junlians. Malta， March 12-14，2008：1516-1519.

[5] LIU Xiao-ming，SUN Qing-ling，TANG Jin-shan. An image enhancement technique in the DCT domain for cancer detection[C]//42nd Asilomar Conference on Signals Systems and Computers，Pacific Grove，CA，USA，Oct 26-29，2008： 1905-1909.

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