¹School of Electronics and Information, Northwestern Polytechnical University, Xi’an, 710072, China
²Hangzhou Key Lab of E-Business and Information Security, Hangzhou Normal University, Hanzhou, Zhejiang, 310036, China
³Key Laboratory of Intelligent Computing & Information Processing of Ministry of Education, Xiangtan University, Xiangtan, Hunan, 411105, China
⁴School of Computer and Information Sciences, Southwest University, Chongqing, 400715, China
⁵School of Electronics and Information Technology, Shanghai Jiao Tong University, Shanghai, 200240, China

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Abstract—Dempster Shafer theory of evidence has been widely used in many data fusion application systems. However, how to determine basic probability assignment, which is the main and the first step in evidence theory, is still an open issue. In this paper, based on the distance measure between the sample data under test and the model of attribute of species, a new method to obtain BPA is proposed. A numerical example is used to illustrate the efficiency of the proposed method.

Index Terms—Sensor fusion, Dempster Shafer theory of evidence, basic probability assignment, normal distribution, distance measure

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Cite: Wen Jiang, Yong Deng, JinYe Peng , "A New Method to Determine BPA in Evidence Theory," Journal of Computers vol. 6, no. 6, pp. 1162-1167, 2011.