An Improvement on the Complete Model-Based Decomposition of Polarimetric SAR Data
An Improvement on the Complete Model-Based Decomposition of Polarimetric SAR Data
复制标题
偏振SAR数据基于模型的完整分解的改进
DOI:
10.1109/lgrs.2014.2313955
复制
发表时间:
2014-04
影响因子:
4.8
通讯作者:
Xie Chunhua
中科院分区:
文献类型:
--
作者:
An Wentao;Xie Chunhua
An improvement on the complete three-component model-based decomposition (C3MD) of polarimetric synthetic aperture radar (SAR) data is proposed in this letter. When analyzing the scattering mechanism of the third component in the original C3MD, an orientation angle rotation (OAR) is used. However, the deorientation is found more suitable to be applied to analyze the scattering mechanism of the third component, because the deorientation minimizes the cross-polarization power of a coherency matrix so as to make the coherency matrix much closer to that of surface scattering or double-bounce scattering. With applying the deorientation instead of the OAR used in the original C3MD, an improved C3MD algorithm is proposed. Experiments with E-SAR data are presented to illustrate the effectiveness of the improvement.
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