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基于改进冲突度量的多证据直接融合算法

周莉 张歆茗 郭伟震 王琰

周莉, 张歆茗, 郭伟震, 王琰. 基于改进冲突度量的多证据直接融合算法[J]. 电子与信息学报, 2019, 41(5): 1145-1151. doi: 10.11999/JEIT180578
引用本文: 周莉, 张歆茗, 郭伟震, 王琰. 基于改进冲突度量的多证据直接融合算法[J]. 电子与信息学报, 2019, 41(5): 1145-1151. doi: 10.11999/JEIT180578
Li ZHOU, Xinming ZHANG, Weizhen GUO, Yan WANG. A Direct Fusion Algorithm for Multiple Pieces of Evidence Based on Improved Conflict Measure[J]. Journal of Electronics & Information Technology, 2019, 41(5): 1145-1151. doi: 10.11999/JEIT180578
Citation: Li ZHOU, Xinming ZHANG, Weizhen GUO, Yan WANG. A Direct Fusion Algorithm for Multiple Pieces of Evidence Based on Improved Conflict Measure[J]. Journal of Electronics & Information Technology, 2019, 41(5): 1145-1151. doi: 10.11999/JEIT180578

基于改进冲突度量的多证据直接融合算法

doi: 10.11999/JEIT180578
基金项目: 国家自然科学基金重大研究计划(91538201),国家自然科学基金青年基金(61304052)
详细信息
    作者简介:

    周莉:女,1966年生,博士,教授,研究方向为优化设计与计算、不完全信息处理

    张歆茗:女,1990年生,博士生,研究方向为多模态数据分析、信息融合

    郭伟震:男,1991年生,硕士,研究方向为数据处理、故障诊断

    王琰:女,1996年生,硕士生,研究方向为数据挖掘、机器学习

    通讯作者:

    周莉 zxyzlzwh_99@sina.com

  • 中图分类号: TN391

A Direct Fusion Algorithm for Multiple Pieces of Evidence Based on Improved Conflict Measure

Funds: The Major Research Plan of the National Natural Science Foundation of China (91538201), The Youth Project of the National Natural Science Foundation of China (61304052)
  • 摘要:

    针对Jousselme证据距离函数不能较好描述证据局部冲突和不能对高冲突证据进行准确冲突度量的不足,该文首先提出改进的Jousselme证据距离函数,该函数基于能够较好描述证据之间局部冲突情况的非重合度对Jousselme证据距离函数进行改进,使其冲突度量结果随非重合度取值及其取值范围的变化按适当比例进行变化;其次,基于冲突系数和新改进Jousselme证据距离函数共同构建改进的融合冲突度量函数。在此基础上,对焦元权系数计算式进行改进,并依此对局部多维冲突信息进行按比例分配。理论及应用分析结果表明,新算法是一种适用性广泛且抗干扰性能好的证据融合算法。

  • 图  1  不同算法判断A为侦察机的概率

    图  2  不同算法判断B为侦察机的概率

    表  1  不同参数对情况1中证据的冲突度量结果

    冲突度量参数${m_1}$与${m_1}$${m_2}$与${m_2}$${m_1}$与${m_2}$
    ${d_J}$000.4500
    $k$0.46000.50500.6850
    ${n_c}$000.4500
    ${d_{{\rm{PJ}}}}$000.6255
    ${d_{{\rm{NIJ}}}}(\gamma {\rm{ = 4)}}$000.7618
    ${d^f}(\gamma {\rm{ = 4)}}$0.26520.29640.7241
    下载: 导出CSV

    表  2  不同参数对情况2中证据的冲突度量结果

    冲突度量参数${m_1}$与${m_1}$${m_2}$与${m_2}$${m_1}$与${m_2}$
    ${d_J}$000.8352
    $k$00.40500.9000
    ${n_c}$000.9000
    ${d_{{\rm{PJ}}}}$000.9352
    ${d_{{\rm{NIJ}}}}(\gamma {\rm{ = 8)}}$000.9886
    ${d^f}(\gamma {\rm{ = 8)}}$00.22870.9662
    下载: 导出CSV
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出版历程
  • 收稿日期:  2018-06-12
  • 修回日期:  2018-12-24
  • 网络出版日期:  2019-01-03
  • 刊出日期:  2019-05-01

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