多源信息的加权证据理论融合识别方法

向阳辉; 张干清; 庞佑霞; 陈蕾; 谢邵辉

doi:10.13433/j.cnki.1003-8728.2016.0310

多源信息的加权证据理论融合识别方法

doi: 10.13433/j.cnki.1003-8728.2016.0310

1.
长沙学院机电工程系, 长沙 410003

基金项目:

国家自然科学基金项目(51475049)、校人才引进科研基金项目(12003,12004)、湖南省"十二五"重点建设学科资助项目及湖南省教育厅资助科研项目(15C0123,12A016,14C0094)资助

详细信息

作者简介:
向阳辉(1981-),讲师,硕士,研究方向为故障诊断、决策识别,xiangyanghui@163.com

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- 文章访问数: 128
- HTML全文浏览量: 22
- PDF下载量: 6
- 被引次数: 0
出版历程
- 收稿日期: 2014-05-09
- 刊出日期: 2016-03-05

A Weighted Fusion Method for Recognizing Multi-source Information Based on Weighted Evidence Theory

1.
Department of Mechanical and Electrical Engineering, Changsha University, Changsha 410003, China

摘要

摘要: 为了有效融合待识别系统的多源证据信息,提高模式识别的准确性,提出了一种多源证据信息加权融合的模式识别方法。该方法基于不同来源证据对辨识框架中各命题识别具有不同可靠性这一事实,将各证据对各命题识别的正确率转换成加权系数,通过研究证据理论的加权改进,构建加权融合的识别体系,保证各证据在模式识别过程中存在的不确定性经过融合后能够最大限度削弱,从而从理论上降低了模式识别的不确定性。实例分析表明,多源信息加权融合后的识别结果可信度明显增大、识别正确率显著提高,充分验证了该融合识别方法能够有效提高模式识别的准确性。
- 证据理论 /
- 加权融合 /
- 多源信息 /
- 可靠性 /
- 模式识别 /
- 不确定性
Abstract: To efficiently combine the multi-source evidence information on a recognition system and improve its pattern recognition accuracy, a weighted fusion method for recognizing the patterns of multi-source information is proposed. The evidence source of each proposition in the recognition framework is different, and the reliability resulting from the recognition of the proposition isn't the same. The correct rate of recognizing all the propositions can be transformed into the weighted coefficient; thus the recognition system of the weighted fusion method is constructed by improving the weighted evidence theory to reduce the uncertainty to its minimum that certainly exists during pattern recognition and to enhance the determinacy and creditability of the weighted evidence theory. The study results show that the creditability of the recognition system is obviously enhanced and that its correct rate is distinctively increased. It is verified that the weighted fusion method can effectively improve the pattern recognition accuracy.
- evidence theory /
- multi-source information /
- pattern recognition /
- reliability /
- uncertainty /
- weighted fusion

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参考文献(15)

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