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Figure 2
Comparison of contrast enhancement methods on a synthetic test image. (a) Synthetic test image (left) and its histogram of grey level distributions (right). (b)–(d) Contrast enhancement images and their corresponding histograms obtained by the following methods: multiscale retinex (b), contrast-limited adaptive histogram equalization (c), the proposed method (d).

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ISSN: 1600-5775
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