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A New Belief Entropy Based on Deng Entropy

School of Science, Hubei Minzu University, Enshi 445000, China
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Entropy 2019, 21(10), 987; https://doi.org/10.3390/e21100987
Received: 3 September 2019 / Revised: 27 September 2019 / Accepted: 4 October 2019 / Published: 10 October 2019
(This article belongs to the Section Complexity)
For Dempster–Shafer evidence theory, how to measure the uncertainty of basic probability assignment (BPA) is still an open question. Deng entropy is one of the methods for measuring the uncertainty of Dempster–Shafer evidence. Recently, some limitations of Deng entropy theory are found. For overcoming these limitations, some modified theories are given based on Deng entropy. However, only one special situation is considered in each theory method. In this paper, a unified form of the belief entropy is proposed on the basis of Deng entropy. In the new proposed method, the scale of the frame of discernment (FOD) and the relative scale of a focal element with reference to FOD are considered. Meanwhile, for an example, some properties of the belief entropy are obtained based on a special situation of a unified form. Some numerical examples are illustrated to show the efficiency and accuracy of the proposed belief entropy.
Keywords: uncertainty measure; Dempster–Shafer evidence theory; Shannon entropy; Deng entropy uncertainty measure; Dempster–Shafer evidence theory; Shannon entropy; Deng entropy
MDPI and ACS Style

Wang, D.; Gao, J.; Wei, D. A New Belief Entropy Based on Deng Entropy. Entropy 2019, 21, 987.

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