Ship Detection Using Polarization Cross-Entropy

被引：87

作者：

Chen, Jiong ^{[1
]}

Chen, Yilun ^{[1
]}

Yang, Jian ^{[1
]}

机构：

[1] Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China

来源：

IEEE GEOSCIENCE AND REMOTE SENSING LETTERS | 2009年 / 6卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Cross-entropy; detection; polarization;

D O I：

10.1109/LGRS.2009.2024224

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：

In this letter, polarization cross-entropy is introduced based on the eigendecomposition of the polarimetric coherence matrix. Then, the new parameter is employed for ship detection. From experimental results, it is derived that the distribution of the polarization cross-entropy in ocean regions can be well approximated by a generalized exponential distribution. Then, a constant-false-alarm-rate ship-detection method is proposed based on the distribution of the polarization cross-entropy. Using experimental results, the authors demonstrate the effectiveness of the new method in ship detection.

引用

页码：723 / 727

页数：5

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