JOURNAL ARTICLE

Improved CPHD Filter for Multitarget Tracking

Cheng OuyangHongbing JiJungen Zhang

Year: 2010 Journal:   JOURNAL OF ELECTRONICS INFORMATION TECHNOLOGY Vol: 32 (9)Pages: 2112-2118   Publisher: Chinese Academy of Sciences, Institute of Electronics

Abstract

CPHD(Cardinalized Probability Hypothesis Density)滤波是一种杂波环境下可变目标数的多目标跟踪算法,该文针对算法中存在的目标漏检问题提出一种改进算法,该算法在高斯混合框架下实现贝叶斯递归,通过对各个高斯分量进行标记,对目标进行航迹关联,在此基础上对修剪合并后各个高斯分量的权值进行两次分配。首先对超过检测门限的高斯分量权值进行分配,有效解决了目标漏检问题,然后基于一个目标只可能产生一个观测的事实进行第2次分配,改善了目标发生交叉时的算法性能。实验结果表明,所提方法在多目标状态估计和航迹维持方面均优于普通的CPHD算法。

Keywords:
Tracking (education) Filter (signal processing) Computer science Computer vision Psychology

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Topics

Target Tracking and Data Fusion in Sensor Networks
Physical Sciences →  Computer Science →  Artificial Intelligence
Fault Detection and Control Systems
Physical Sciences →  Engineering →  Control and Systems Engineering
Time Series Analysis and Forecasting
Physical Sciences →  Computer Science →  Signal Processing

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