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A Constrained Based Bi Level Histogram Equalization Method
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These days images are being captured by digital cameras and other systems. Though the quality of images taken by these systems has been improved up to high extend, but there are some artifacts do exists with images. Still images are required to be enhanced. This paper proposes a novel method Constrained BasedBased Histogram Equalization Method(CBBHE) for image contrast enhancement .CBBHE is the extension of Image Inversion and Bi-Level Histogram Equalization (IIBLHE) method. In the proposed method, an input image is divided into two sub images. Then the probability distribution functions of sub images are modified by introducing constraints. Experimental results are presented and compared with results from IIBHE method.
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