Adaptive color image enhancement based geometric mean filter
Proceedings of the 2011 International Conference on Communication, Computing & Security
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A new color image enhancement method is proposed based on the luminance component and the saturation component in the CIEXYZ color space. Hue is kept unchanged in order to avoid color distorting or shifting. According to the tricolor in the display system, saturation component is stretched to get rich color and obvious color differences. Luminance component is adaptive enhanced based on the saturation feedback to sharpen the edges and improve the image contrast. Experimental results show that the enhanced color image has more rich color, more clear details and better visual effect.