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基于高精度传感器量测的机动扩展目标建模与跟踪

Modeling and Tracking of Maneuvering Extended Objects Using High Resolution Sensors

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摘要

现代传感器分辨能力的大幅提升使得观测对象不再被认为是点目标, 而是具有一定形态的扩展目标。传统上基于点目标假设所取得的建模与状态估计研究成果已不再适用于现今许多的实际应用场景, 特别是当扩展目标发生机动时, 其运动状态和扩展形态(形状和朝向)往往同时发生突变, 且二者具有紧密的耦合关系。为了解决这一问题, 对扩展目标机动过程的不确定性、整体机动演化形式及其耦合性展开研究, 建立起通用的机动扩展目标混合系统建模框架。结果表明:利用所提模型的线性形式, 可以很便利地推导出一种高效的机动扩展目标运动状态和扩展形态联合估计算法;不同场景内的仿真和性能评估结果验证了所提建模和跟踪方法的有效性。

Abstract

With the great increase of resolution capability of modern sensors, the object is regarded as an extended one with object extension, instead of a point target. Thus, conventional point target modeling and state estimation approaches are no longer suitable for many current tracking scenarios. An extended object′s motion and extension (i.e., shape and orientation) undergo an abrupt change when it maneuvers, and both of them are usually highly coupled. In view of this problem, the uncertainties of the extended object maneuvers, the evolution of the kinematic state and object extension, and their close coupling are researched. A general hybrid system modeling framework of the maneuvering extended objects is established. The results show that a joint kinematic state and object extension estimation algorithm can be derived easily owning to the concise linear form of the proposed model. Simulation results and performance comparison demonstrate the effectiveness of the proposed modeling and tracking approaches.

Newport宣传-MKS新实验室计划
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中图分类号:TP391

DOI:10.3788/aos201838.0228001

所属栏目:遥感与传感器

基金项目:国家自然科学基金(U1504619,61671139,U1404615,U1404512)、河南省科技攻关计划(162102210073)、东南大学毫米波国家重点实验室开放课题(K201504)

收稿日期:2017-09-11

修改稿日期:2017-09-19

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孙力帆:河南科技大学信息工程学院, 河南 洛阳 471023电子科技大学电子工程学院, 四川 成都 611731
何子述:电子科技大学电子工程学院, 四川 成都 611731
冀保峰:河南科技大学信息工程学院, 河南 洛阳 471023东南大学毫米波国家重点实验室, 江苏 南京 210096
张森:河南科技大学信息工程学院, 河南 洛阳 471023
普杰信:河南科技大学信息工程学院, 河南 洛阳 471023

联系人作者:孙力帆(lifan_sun@126.com)

备注:孙力帆(1982-), 男, 博士, 讲师, 主要从事扩展目标跟踪、信息融合方面的研究。E-mail: lifan_sun@126.com

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引用该论文

Sun Lifan,He Zishu,Ji Baofeng,Zhang Sen,Pu Jiexin. Modeling and Tracking of Maneuvering Extended Objects Using High Resolution Sensors[J]. Acta Optica Sinica, 2018, 38(2): 0228001

孙力帆,何子述,冀保峰,张森,普杰信. 基于高精度传感器量测的机动扩展目标建模与跟踪[J]. 光学学报, 2018, 38(2): 0228001

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