邓少平,张继贤,李平湘,冷海芹

• 1:中山市基础地理信息中心
• 2:武汉大学测绘遥感信息工程国家重点实验室
• 3:中国测绘科学研究院

摘要(Abstract)：

由于电力线作为一类特殊的线目标,其回波与雷达视角和极化方式密切相关,针对传统的线目标检测方法仅基于回波功率,直接用于电力线检测,由于目标信杂比低,结果虚警率较高的问题以及在极化合成孔径雷达影像中电力线可被看作偶极子,其极化特性明确的特点,该文通过理论分析电力线在影像中的极化特征,提出了一种基于Hough域同极化和交叉极化相干性的恒虚警率电力线自动检测方法,改善了电力线的检测效果。最后使用P波段机载极化SAR真实影像和模拟数据进行实验验证,结果表明此方法优于基于功率的Hough变换和滑动方向窗口估计相干性的检测方法。

关键词(KeyWords)： 极化;合成孔径雷达;电力线;相干性;Hough变换;P波段

Abstract:

Keywords:

基金项目(Foundation): 国家863计划项目(2011AA120401);; 地理空间信息工程国家测绘地理信息局重点实验室项目(201125)

作者(Author): 邓少平,张继贤,李平湘,冷海芹

DOI: 10.16251/j.cnki.1009-2307.2015.02.013

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