Generalized Optimization of Polarimetric Contrast Enhancement

被引:45
作者
Yang, Jian [1 ]
Dong, Guiwei [1 ]
Peng, Yingning [1 ]
Yamaguchi, Yoshio [2 ]
Yamada, Hiroyoshi [2 ]
机构
[1] Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China
[2] Niigata Univ, Dept Informat Engn, Niigata 9502181, Japan
基金
中国国家自然科学基金;
关键词
Detection; optimization; radar polarimetry; synthetic aperture radar (SAR);
D O I
10.1109/LGRS.2004.830127
中图分类号
P3 [地球物理学]; P59 [地球化学];
学科分类号
0708 ; 070902 ;
摘要
A generalized optimization of polarimetric contrast enhancement (GOPCE) is proposed in this letter. For this problem, it is not only necessary to find the optimal polarization states such that the received power ratio of a desired target and clutter is maximal, but also necessary to find three optimal coefficients such that the ratio of two factors associated with the desired target and clutter is maximal, where both the factors consist of three parameters, i.e., the Cloude entropy and two special similarity parameters. The optimal coefficients of the GOPCE are obtained by solving an eigenvalue problem. Using an example, we demonstrate that the GOPCE can be employed for detecting roads in a forest area by using polarimetric synthetic aperture radar data.
引用
收藏
页码:171 / 174
页数:4
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