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http://dx.doi.org/10.3745/KIPSTB.2004.11B.7.779

An Image Contrast Enhancement Method Using Brightness Preseving on the Linear Approximation CDF  

Cho Hwa-Hyun (한양대학교 대학원 전자/전기/제어계측공학과)
Choi Myung-Ryul (한양대학교 전자/전기/제어계측공학과)
Publication Information
The KIPS Transactions:PartB / v.11B, no.7, 2004 , pp. 779-784 More about this Journal
Abstract
In this paper, we have proposed an image contrast control method using brightness preserving on the FPD(Flat Panel Display). The proposed method can be easily applied to the FPD required real-time processing, since hardware complexity is greatly reduced using linear approximation method of CDF(Cumulative Density Function). For effective processing of the proposed algorithm, we have utilized the sample value of CDF and Barrel Shift. Visual test and standard deviation of their histogram have been introduced to evaluate the resultant output images of the pro-posed method and the original ones.
Keywords
Image Enhancement; Histogram Equalization; Contrast Enhancement;
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