偏振合成孔径雷达图像的城市区域检测

2013 Third International Conference on Instrumentation, Measurement, Computer, Communication and Control Pub Date : 2013-09-21 DOI:10.1109/IMCCC.2013.229

Zhi-Peng Chen, Hui-feng Xue

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引用次数: 1

摘要

在偏振合成孔径雷达(PolSAR)图像中，偏振散射特征参数对目标判读具有重要意义。为了改进偏振散射相似参数(PSS)，本文提出了一种增强偏振相似参数(EPS)。除了强调某些散射机制外，该新参数还提高了某一散射类型与其他散射类型之间的对比。在此基础上，利用增强图像的稀疏性特征，对非负矩阵分解(NMF)进行改进，实现对PolSAR图像的城市区域检测。通过实际数据实验验证了该方法的有效性。

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Urban Area Detection for Polarimetric Synthetic Aperture Radar Image

Polarimetric scattering feature parameters are significant for target interpretation in polarimetric synthetic aperture radar (PolSAR) images. To improve the polarimetric scattering similarity parameters (PSS), an enhanced polarimetric similarity parameter (EPS) is proposed in this paper. Besides emphasizing some scattering mechanisms, this novel parameter improves the contrast between one certain scattering type and other scattering types. Furthermore, by employing the sparsity feature of the enhanced span image, nonnegative matrix factorization (NMF) is modified to realize the urban area detection for PolSAR images. The effectiveness of this proposal is verified by real data experiments.

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2013 Third International Conference on Instrumentation, Measurement, Computer, Communication and Control

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