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基于证据可信度的证据合成新方法-控制理论与应用
26 7 Vol. 26 No. 7
2009 7 Control Theory Applications Jul. 2009
:2009
, ,
(, 510640)
: Dempster-Shafer, ,
, Dempster-Shafer. , .
, ,
, Dempster-Shafer.
, , .
: ; ; ; ;
: TP274 : A
A novel approach to evidence combination based on
the evidence credibility
ZHANG Sheng-gang, LI Wei-hua, DING Kang
(School of Mechanical Automotive Engineering, South China University of Technology, Guangzhou Guangdong 510640, China)
Abstract: Dempster-Shafer combination results may be not in agreement with the real condition when the evidences are
highly conflict; and this problem has been widely investigated by some improved methods. However, those methods are not
as good as Dempster-Shafer combination rule when the evidences are consistent. Therefore, a novel evidence combination
method is proposed in this paper based on evidence credibility. First, the mean square Euclidian distance between evidence
and evidence subset is obtained after establishing the evidence distance matrix, and the credible factor is calculated to
modify the evidence resource correspondingly by a confidence function, and then these modified evidences are combined
together according to the D-S rule. Simulation experiments demonstrate the effectiveness of this new improved algorithm
when dealing with conflicting evidences and consistent ones.
Key words: evidence theory; credibility; conflicting evidences; consistent evidences; combination methods
1 (Introduction) 2 (A com-
Dempster-Shafer(D-S) bination method based on evidence credibil-
ity)
. , D-S
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