期刊
IEEE GEOSCIENCE AND REMOTE SENSING LETTERS
卷 1, 期 3, 页码 171-174出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LGRS.2004.830127
关键词
Detection; optimization; radar polarimetry; synthetic aperture radar (SAR)
类别
资金
- National Natural Science Foundation of China [40271077]
- National Important Fundamental Research Plan of China [2001CB309 401]
- Aerospace Foundation of China
- Ministry of Education, China
- Fundamental Research Foundation of Tsinghua University
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.
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