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A new contrast measure based image enhancement algorithm in the DCT domain | IEEE Conference Publication | IEEE Xplore
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A new contrast measure based image enhancement algorithm in the DCT domain

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Q. Sun; J. Tang
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Abstract:

In this paper a new algorithm is presented for image enhancement in the discrete cosine transform (DCT) domain. The algorithm is based on a novel contrast measure that is...Show More

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Abstract:

In this paper a new algorithm is presented for image enhancement in the discrete cosine transform (DCT) domain. The algorithm is based on a novel contrast measure that is defined for each DCT coefficient. This algorithm can be applied to the enhancement of images compressed with JPEG and it is especially useful when it is applied to enhance the direction contrast of the images. Experimental results show the effectiveness of the proposed algorithm.
Published in: SMC'03 Conference Proceedings. 2003 IEEE International Conference on Systems, Man and Cybernetics. Conference Theme - System Security and Assurance (Cat. No.03CH37483)
Date of Conference: 08-08 October 2003
Date Added to IEEE Xplore: 10 November 2003
Print ISBN:0-7803-7952-7
Print ISSN: 1062-922X
DOI: 10.1109/ICSMC.2003.1244186
Conference Location: Washington, DC, USA
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