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一种修正的DS合成法则及其近似算法 被引量:1

A modified combination rule of DS theory and its approximation algorithm
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摘要 文章对DS合成法则中焦元可信度重新分配及合成法则的复杂度问题进行了探索和研究,提出了焦元在融合时信质部分转移的思想,据此确定了焦元可信度转移度的概念,进而提出了一种修正的DS合成公式。为了解决DS合成法则计算复杂度存在的np难题,论文提出了一种新的近似算法,并进行了实例分析,结果显示了新方法具有一定的合理性。 This paper studies the belief transition degree of the focal element and the computational complexity of DS combination rules. An idea of partial belief transition instead of whole belief transition is put forward when two evidences are combined. The definition of transition degree of the focal element and a new combination rule are given. In order to overcome the difficulty of computational complexity, a new approximation algorithm is introduced and applied to an example, and the result shows that the new approximation algorithm is efficient and rational.
出处 《合肥工业大学学报(自然科学版)》 CAS CSCD 北大核心 2009年第5期701-705,共5页 Journal of Hefei University of Technology:Natural Science
基金 国家自然科学基金资助项目(70631003) 安徽省自然科学基金资助项目(070416243) 安徽省教育厅自然科学资助项目(KJ2008A111) 徽建筑工业学院硕博基金资助项目(2007)
关键词 证据理论 合成法则 近似算法 theory of evidence combination rule approximation algorithm
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参考文献10

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