基于检测前跟踪的声源跟踪算法

doi:10.11959/j.issn.1000-436x.2017029

通信学报 ›› 2017, Vol. 38 ›› Issue (2): 67-73.doi: 10.11959/j.issn.1000-436x.2017029

基于检测前跟踪的声源跟踪算法

戴江安,邱天爽()

大连理工大学电子信息与电气工程学部，辽宁大连 116024

修回日期:2016-11-18 出版日期:2017-02-01 发布日期:2017-07-20
作者简介:戴江安（1991-），男，江西抚州人，大连理工大学博士生，主要研究方向为语音信号处理、雷达信号处理和无线电信号处理。|邱天爽（1954-），男，江苏海门人，博士，大连理工大学教授、博士生导师，主要研究方向为统计信号处理、射频与通信信号处理等。
基金资助:
国家自然科学基金资助项目(81241059);国家科技支撑计划基金资助项目(2012BAJ18B06)

Acoustic source tracking algorithm using track before detect

Jiang-an DAI,Tian-shuang QIU()

Faculty of Electronic Information and Electrical Engineering,Dalian University of Technology,Dalian 116024,China

Revised:2016-11-18 Online:2017-02-01 Published:2017-07-20
Supported by:
The National Natural Science Foundation of China(81241059);The National Key Technology R＆D Program(2012BAJ18B06)

摘要/Abstract

摘要：

针对低信噪比、强混响环境中声源跟踪误差较大的问题，提出一种基于检测前跟踪的声源跟踪算法。该算法将一种改进的可控响应功率函数作为定位函数，通过计算粒子所在矩形区域的可控响应功率值，改进的可控响应功率函数可以得到更加顽健的声源位置估计；同时，将检测前跟踪技术应用于跟踪算法中，可以免于重复计算处于同一区域的量测值，从而在保证跟踪精度的前提下大幅减少跟踪算法的运算量。经仿真实验验证，改进算法在低信噪比、强混响的环境中能够得到比传统跟踪算法更精确的跟踪结果。

关键词: 声踪, 粒子滤波, 可控响应功率, 检测前跟踪

Abstract:

In order to improve tracking performance in a noisy and reverberant environment,an acoustic source tracking algorithm using track before detect was proposed.This algorithm used a modified steered response power as localization function which take into account a rectangular region to achieve more robust source location estimation than steered response power function and applied track-before-detect technology to avoid reduplicate calculation of the same rectangular region so that the algorithm could reduce the computation burden without decreasing the accuracy.The simulation results verified that the proposed algorithm can achieve more accurate tracking results than traditional tracking algorithm in a noisy and reverberant environment.

Key words: acoustic source tracking, particle filter, steered response power, track before detec

中图分类号:

TN912

戴江安,邱天爽. 基于检测前跟踪的声源跟踪算法[J]. 通信学报, 2017, 38(2): 67-73.

Jiang-an DAI,Tian-shuang QIU. Acoustic source tracking algorithm using track before detect[J]. Journal on Communications, 2017, 38(2): 67-73.

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帧号	SRP-PL	MSRP-PL	MSRP-TBD
20	0.039 1	0.031 6	0.044 5
40	0.023 6	0.022 7	0.021 6
60	0.023 7	0.026 3	0.019 5
80	0.032 7	0.028 1	0.026 0
100	0.042 5	0.018 6	0.014 6
120	0.195 7	0.155 4	0.174 9
140	0.168 2	0.163 5	0.146 9

帧号	SRP-PL	MSRP-PL	MSRP-TBD
20	0.145 5	0.102 3	0.092 1
40	0.359 9	0.068 4	0.053 2
60	0.341 0	0.075 8	0.083 3
80	0.171 7	0.089 4	0.098 7
100	0.317 6	0.246 9	0.242 3
120	0.462 1	0.106 1	0.085 3
140	0.573 1	0.303 2	0.277 6

基于检测前跟踪的声源跟踪算法

Acoustic source tracking algorithm using track before detect

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