A simple and effective histogram equalization approach to image enhancement

Abstract Image enhancement is one of the most important issues in low-level image processing. Mainly, enhancement methods can be classified into two classes: global and local methods. In this paper, the multi-peak generalized histogram equalization (multi-peak GHE) is proposed. In this method, the global histogram equalization is improved by using multi-peak histogram equalization combined with local information. In our experiments, different local information is employed. Experimental results demonstrate that the proposed method can enhance the images effectively.

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