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http://dx.doi.org/10.5762/KAIS.2010.11.12.5127

Efficient Contrast Enhancement Using Histogram Specification  

Kim, Young-Ro (Dept. of Computer Science Information, Myongji College)
Park, Hyun-Sang (Division of Electrical Electronic and Control Engineering, Kongju National University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.11, no.12, 2010 , pp. 5127-5133 More about this Journal
Abstract
In this paper, an efficient contrast enhancement algorithm using histogram specification is proposed. Histogram equalization and its modified methods have been effective techniques for contrast enhancement. However, they often result in excessive contrast enhancement. Besides conventional histogram specification also has a problem to get the desired histogram. We propose a method that utilizes a simple high frequency filter to get the desired histogram. The proposed technique not only produces better visual results than conventional contrast enhancement techniques, but is also adaptively adjusted to the statistical characteristics of the image.
Keywords
Histogram; Equalization; Specification;
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