Abstract
Most of the image processing techniques are based on the image enhancement, but the dodgy problem in the enhancement of color images is to enhance images without changing their original hue. The present research aims to introduce one of the solutions to this problem. Based on the study of the characteristics of RGB color space, the HSV color space, and mathematical morphology image processing technique, it addresses the problem by extending grey-level image contrast enhancement algorithm to the color image in HSV color space. The experiment results indicate that this algorithm can keep the original hue and enhance the quality of images while maintaining the adaptive contrast enhancement in local parts.
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