付姣,张永红,刘晓龙,孙广通

• 1:辽宁工程技术大学测绘与地理科学学院
• 2:中国测绘科学研究院
• 3:防灾科技学院

摘要(Abstract)：

本文提出一种利用Yamaguchi分解保持地物散射特性的极化SAR数据分类方法。该方法利用Yamaguchi分解获得4种散射机理:表面散射、体散射、偶次散射和螺旋体散射,根据4种散射机理的功率大小判断地物的主散射机理和类别之间的Wishart距离,合并到指定个数的初始类别;并结合Wishart距离分类器对初始类进行迭代修正,实现极化SAR图像的非监督分类。最后利用AIRSAR数据与已有分类方法进行对比实验,验证了本方法的优势及适用性。

关键词(KeyWords)： 极化SAR;Yamaguchi分解;Wishart迭代;散射特性保持

Abstract:

Keywords:

基金项目(Foundation): 国家863课题(2011AA120404);; 国家自然科学基金(40971225)

作者(Author): 付姣,张永红,刘晓龙,孙广通

DOI: 10.16251/j.cnki.1009-2307.2014.03.018

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