Abstract

The bionic color image enhancement algorithm based on the human visual system characteristics of global and local self-adaptive uses for enhance the color image under non-uniform and low lighting conditions. This algorithm first enhances the luminance of dark areas by global luminance adjustment and compresses the dynamic range as well. Then it uses the relation of the current point neighborhood pixel average filter output to enhance image local contrast by adjust the brightness of current point. Lastly simple linear color restoration arithmetic is applied to resume the image color. The algorithm gives consideration to each color component contribution to brightness. Experimental results show that the proposed algorithm is an effective method of color image enhancement.

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