Image Contrast Enhancement by Constraine
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Hui Zhu; Francis H.Y. Chan; F.K. Lam
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Article
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1999
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Elsevier Science
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English
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Histogram equalization is a widely used image contrast enhancement method. While global histogram equalization enhances the contrast of the whole image, local histogram equalization can enhance many image details by taking different transformation of the same gray level at different places in the or