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A novel 3-D color histogram equalization method with uniform 1-D gray scale histogram

Title
A novel 3-D color histogram equalization method with uniform 1-D gray scale histogram
Authors
Han J.-H.Yang S.Lee B.-U.
Ewha Authors
이병욱양세정
SCOPUS Author ID
이병욱scopus; 양세정scopus
Issue Date
2011
Journal Title
IEEE Transactions on Image Processing
ISSN
1057-7149JCR Link
Citation
vol. 20, no. 2, pp. 506 - 512
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
The majority of color histogram equalization methods do not yield uniform histogram in gray scale. After converting a color histogram equalized image into gray scale, the contrast of the converted image is worse than that of an 1-D gray scale histogram equalized image. We propose a novel 3-D color histogram equalization method that produces uniform distribution in gray scale histogram by defining a new cumulative probability density function in 3-D color space. Test results with natural and synthetic images are presented to compare and analyze various color histogram equalization algorithms based upon 3-D color histograms. We also present theoretical analysis for nonideal performance of existing methods. © 2011 IEEE.
DOI
10.1109/TIP.2010.2068555
Appears in Collections:
엘텍공과대학 > 전자공학과 > Journal papers
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