GM-PHD滤波器异步算术平均融合中的去相关方法

IF 3.4 2区 工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC
Xue Yu, Feng Xi-an
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引用次数: 0

摘要

为了提高异步场景下的多目标跟踪精度,提出了一种高斯混合概率假设密度(GM-PHD)滤波器的去相关算术平均(AA)融合算法。首先,推导了单目标异步场景下的相关性和贝叶斯最优解相关融合方法;然后,利用导出的单目标去相关融合对同一目标的估计进行合并。根据衍生的去相关方法的要求,提出了一种测量提取技术来获取局部滤波估计中包含的测量值,并设计了包含主滤波器的分层结构来自动提供先验估计。仿真结果表明,该算法在处理延迟时继承了单目标融合的贝叶斯最优性。同时,将该算法扩展到多机动目标的跟踪也显示出一定的潜力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A decorrelation method in asynchronous arithmetic average fusion of GM-PHD filters
We present a decorrelation arithmetic average (AA) fusion algorithm of Gaussian mixture probability hypothesis density (GM-PHD) filters to ameliorate the multi-target tracking accuracy in asynchronous scenarios. First, the correlations in single-target asynchronous scenarios and the Bayesian optimal decorrelation fusion method are derived. Then, the derived single-target decorrelation fusion is employed to merge estimates of the same target. As required by the derived decorrelation method, a measurement extraction technique is developed to acquire measurements contained in locally filtered estimates, and a hierarchical structure involving a master filter is designed to provide prior estimates automatically. Simulations verify that our algorithm inherits the derived single-target fusion’s Bayesian optimality in handling delays. Meanwhile, extending our algorithm to track multiple maneuvering targets also exhibits certain potential.
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来源期刊
Signal Processing
Signal Processing 工程技术-工程:电子与电气
CiteScore
9.20
自引率
9.10%
发文量
309
审稿时长
41 days
期刊介绍: Signal Processing incorporates all aspects of the theory and practice of signal processing. It features original research work, tutorial and review articles, and accounts of practical developments. It is intended for a rapid dissemination of knowledge and experience to engineers and scientists working in the research, development or practical application of signal processing. Subject areas covered by the journal include: Signal Theory; Stochastic Processes; Detection and Estimation; Spectral Analysis; Filtering; Signal Processing Systems; Software Developments; Image Processing; Pattern Recognition; Optical Signal Processing; Digital Signal Processing; Multi-dimensional Signal Processing; Communication Signal Processing; Biomedical Signal Processing; Geophysical and Astrophysical Signal Processing; Earth Resources Signal Processing; Acoustic and Vibration Signal Processing; Data Processing; Remote Sensing; Signal Processing Technology; Radar Signal Processing; Sonar Signal Processing; Industrial Applications; New Applications.
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