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A thresholding method based on two-dimensional Renyi's entropy
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DOI：10.1016/j.patcog.2003.10.008.png)
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摘要
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In this paper, we present a new thresholding technique based on two-dimensional Renyi's entropy. The two-dimensional Renyi's entropy was obtained from the two-dimensional histogram which was determined by using the gray value of the pixels and the local average gray value of the pixels. This new method extends a method due to Sahoo et al. (Pattern Recognition 30 (1997) 71) and includes a previously proposed global thresholding method due to Abutaleb (Pattern Recognition 47 (1989) 22). Further, Our method extends a global thresholding method due to Chang et at. (IEEE Trans. Image Process. 4 (1995) 370) to the two-dimensional setting. The effectiveness of the proposed method is demonstrated by using examples from the real-world and synthetic images. (C) 2003 Pattern Recognition Society. Published by Elsevier Ltd. All rights reserved.
Keyword:
Renyi entropy
Shannon entropy
image thresholding
maximum entropy sum method
entropic correlation method
two-dimensional histogram
two-dimensional entropic thresholding method
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IF:
7.6
论文数:
1.3W
被引数:
4.5W
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