基于多假设跟踪的散射点关联和三维重构方法

毕严先; 魏少明; 王俊; 张耀天; 孙忠胜; 袁常顺

doi:10.13700/j.bh.1001-5965.2015.0380

基于多假设跟踪的散射点关联和三维重构方法

doi: 10.13700/j.bh.1001-5965.2015.0380

北京航空航天大学电子信息工程学院, 北京 100083

基金项目: 国家自然科学基金(6117112,61201318,61501012)

详细信息

作者简介:
毕严先男,博士研究生。主要研究方向:目标ISAR成像,目标识别。Tel.:010-82339767 E-mail:biyanxian@126.com;王俊男,博士,教授,博士生导师。主要研究方向:数字信号实时处理,目标识别,目标跟踪。Tel.:010-82339767 E-mail:wangjun@ee.buaa.edu.cn

通讯作者:
王俊,Tel.:010-82339474 E-mail:wangjun@ee.buaa.edu.cn

中图分类号: TN957.52
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出版历程
- 收稿日期: 2015-06-10
- 网络出版日期: 2016-06-20

New method of scatterers association and 3D reconstruction based on multi-hypothesis tracking

School of Electronic and Information Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

摘要

摘要: 针对雷达目标在未知视角下一维散射中心关联存在的问题,提出了一种基于散射强度信息辅助的多假设跟踪(MHT)散射点关联方法,采用散射点幅度信息辅助实现对目标散射点的有效关联,对关联后的数据采用序贯因式分解的方法实现了目标的三维重构。仿真实验表明,该方法简单、成像效果稳定,通过对关联过程中的假设更新和管理可有效剔除目标运动过程中产生的虚假散射点,适用于目标在多个姿态下多个散射点的关联和三维重构,具有较高的鲁棒性。
- 三维重构 /
- 散射点关联 /
- 强度信息 /
- 多假设跟踪(MHT) /
- 序贯因式分解
Abstract: Aiming at the problems of associating radar target scattering centers from the unknown perspective of one-dimensional range,in order to associate the radar target scattering centers at unknown radar line of sight,a new scatterers association method based on auxiliary information of scatterers intensity using multi-hypothesis tracking (MHT) is proposed.After using the scattering centers intensity information to associate the scattering centers,the target was 3D reconstructed by sequential factorization method.The sequential factorization method can effectively reduce the burden of the data storage and increase the real-time ability.The simulation results verify that the proposed algorithm is simple and very stable for the complex situations.This method can effectively eliminate the false scattering points derived from the process of target moving in the association process of hypothetical update and management,which is applicable to the target in multiple poses multiple scattering correlation and 3D reconstruction.This method has a good robustness for 3D reconstruction of the target under complex spatial motion.
- 3D reconstruction /
- scatterers association /
- amplitude information /
- multi-hypothesis tracking (MHT) /
- sequential factorization

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