Underwater Target Detection from Multi-Platform Sonar Imagery Using Multi-Channel Coherence Analysis

被引：4
作者：
Klausner, Nick [1 ]
Azimi-Sadjadi, Mahmood R. [1 ]
Tucker, J. Derek [1 ]
机构：
[1] Colorado State Univ, Dept Elect & Comp Engn, Ft Collins, CO 80523 USA
来源：
2009 IEEE INTERNATIONAL CONFERENCE ON SYSTEMS, MAN AND CYBERNETICS (SMC 2009), VOLS 1-9 | 2009年
关键词：
binary hypothesis testing; disparate sonar platforms; multi-channel coherence analysis; underwater target detection;
D O I：
10.1109/ICSMC.2009.5346567
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper introduces a new target detection method for multiple disparate sonar platforms. The detection method is based upon multi-channel coherence analysis (MCA) framework which allows one to optimally decompose the multi-channel data to analyze their linear dependence or coherence. This decomposition then allows one to extract MCA features which can be used to discriminate between two hypotheses, one corresponding to the presence of a target and one without, through the use of the log-likelihood ratio. Test results of the proposed detection system were applied to a data set of underwater side-scan sonar imagery provided by the Naval Surface Warfare Center (NSWC), Panama City. This database contains data from 4 disparate sonar systems, namely one high frequency (HP) sonar and three broadband (BB) sonars coregistered over the same area on the sea floor. Test results illustrate the effectiveness of the proposed multi-platform detection system in terms of probability of detection, false alarm rate, and receiver operating characteristic (ROC) curves.
引用
收藏
页码：2728 / 2733
页数：6
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