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						LDR demo software
				Public release v1.0 (4 Nov. 2013)

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Copyright (c) 2010-2013 Korea University. All rights reserved.
This software can be used only for research purposes.

Authors:            Chulwoo Lee
					Chul Lee
					Chang-Su Kim


LDR web page:		http://mcl.korea.ac.kr/~chulwoo/research/LDR/


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 Contents
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The package comprises these functions

 demo.m			: Compare LDR to the other CE algorithms
  135069.jpg		: test image for demo.m
  yuv2rgb.m		: convert yuv to rgb
  rgb2yuv.m		: convert rgb to yuv
  QM				: Quality metric
  CE (directory)
    HE.m			: Histogram Equalization
    WAHE.m		: Weighted Approximated Histogram Equalization
    CVC.m			: Contextual and Variational Contrast enhancement
    LDR.m			: Layered Difference Representation [1]


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 Installation
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 Unzip LDR.zip
 Run demo.m


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 Requirements
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 Matlab v.7.1 or later with installed:
  -- Image Processing Toolbox


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 Change log
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 v1.0  (4 Nov. 2013)
  Initial release


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 References
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Please cite this paper if you use this software in a publication.

[1] C. Lee, C. Lee, and C.-S. Kim, Contrast enhancement based on 
layered difference representation of 2D histograms, IEEE Transactions 
on Image Processing, vol. 22, no. 12, pp. 5372-5384, Dec. 2013.


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 Feedback
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If you have any comment, suggestion, or question, please do
contact Chulwoo Lee at chulwoo(at)mcl(dot)korea(dot)ac(dot)kr



