干涉雷达永久散射体自动探测——算法与实验结果

被引：43

作者：

陈强 ^{[1
]}

刘国祥 ^{[1
]}

李永树 ^{[1
]}

丁晓利 ^{[2
]}

机构：

[1] 西南交通大学测量工程系

[2] 香港理工大学土地测量与地理资讯学系

来源：

测绘学报 | 2006年 / 02期

关键词：

永久散射体; 自动探测; 相关系数; 振幅离差指数; 阈值;

D O I：

暂无

中图分类号：

P225.1 [无线电测距];

学科分类号：

摘要：

基于理论与模拟实验分析,提出并实现“双重阈值”PS自动探测算法,即时序相关系数阈值法和振幅离差指数阈值法相结合,达到PS自动探测时间效率与可靠性的统一。选用覆盖上海地区的26幅ERS-1/2 C波段SAR图像(1992～2002年),双重阈值PS探测算法得到了检验,实验结果表明,该方法能够有效地提取可靠的PS目标。

引用

页码：112 / 117

页数：6

共 8 条

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[6] Mapping of Earth Deformations with SatelliteRadar Interferometry:A Study of Its Accuracy and ReliabilityPerformances. LIU Guo-xiang. . 2003
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[8] Topographic Mappingfrom Interferometric Synthetic Aperture Radar Observations. ZEBKER H A,GOLDSTEIN R M. Chinese Journal of Geophysics . 1986

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