New method for measuring the degree of conflict among general basic probability assignments  

作　　者：HE You HU LiFang GUAN Xin DENG Yong HAN DeQiang 

机构地区：[1]Research Institute of Information Fusion, Naval Aeronautical and Astronautical University, Yantai 264001, China [2]Navy Armament Academy, Beijing 102249, China [3]The Institute of Electronic Science and Engineering, National University of Defense Technology, Changsha 410073, China [4]School of Electronics and Information Technology, Shanghai Jiao Tong University, Shanghai 200240, China [5]Institute of Integrated Automation, Xi＇an Jiaotong University, Xi＇an 710049, China

出　　处：《Science China(Information Sciences)》2012年第2期312-321,共10页中国科学（信息科学）（英文版）

基　　金：supported by National Basic Research Program of China(Grant No.2007CB311006);National Natural Science Foundation of China(Grant Nos.60572161,60874105,60904099);Excellent Ph.D.Paper Author Foundation of China(Grant No.200443);Postdoctoral Science Foundation of China(Grant No.20070421094);Program for New Century Excellent Talents in University(Grant No.NCET-08-0345);Shanghai Rising-Star Program(Grant No.09QA1402900);Aviation Science Foundation(Grant No.20090557004);"Chenxing"Scholarship Youth Found of Shanghai Jiao Tong University(Grant No.T241460612);Ministry of Education Key Laboratory of Intelligent Computing&Signal Processing(Grant No.2009ICIP03);Research Fund of Shaanxi Key Laboratory of Electronic Information System Integration(Grant No.200910A)

摘　　要：There is doubt about Dempster＇s rule of combination because of counter-intuitive results when dealing with conflict information in intelligent reasoning. Therefore, many modified combination rules have been presented in the literature on multi-source information fusion and reasoning with uncertainty. However, the issue of identifying conflict among evidence has been ignored. A new parameter measuring conflict evidence called the conflict distance parameter is defined to determine whether there are conflicts in evidence based on the analysis of existing conflict parameters. At the same time, a decisive rule, which a reasonable conflict measure function should satisfy, is put forward. Finally, an analysis of two typical counter-intuitive situations is given, showing that the new parameter can not only satisfy the decisive rule, but can also attain the same effect as a two-dimensional measure when deciding whether to use the Dempster＇s rule of combination, and can exceed its effect when deciding whether to use Dezert-Smarandache theory.There is doubt about Dempster＇s rule of combination because of counter-intuitive results when dealing with conflict information in intelligent reasoning. Therefore, many modified combination rules have been presented in the literature on multi-source information fusion and reasoning with uncertainty. However, the issue of identifying conflict among evidence has been ignored. A new parameter measuring conflict evidence called the conflict distance parameter is defined to determine whether there are conflicts in evidence based on the analysis of existing conflict parameters. At the same time, a decisive rule, which a reasonable conflict measure function should satisfy, is put forward. Finally, an analysis of two typical counter-intuitive situations is given, showing that the new parameter can not only satisfy the decisive rule, but can also attain the same effect as a two-dimensional measure when deciding whether to use the Dempster＇s rule of combination, and can exceed its effect when deciding whether to use Dezert-Smarandache theory.

关 键 词：conflict evidence Dezert-Smarandache theory Dempster＇s rule of combination information fusion uncertainty 

分 类 号：TP274[自动化与计算机技术—检测技术与自动化装置] TN011[自动化与计算机技术—控制科学与工程]