基于Wishart分布和MRF的多视全极化SAR图像分割

被引:13
作者
吴永辉
计科峰
李禹
郁文贤
机构
[1] 国防科学技术大学电子科学与工程学院
关键词
极化; 合成孔径雷达; 图像分割; Wishart分布; 马尔可夫随机场;
D O I
暂无
中图分类号
TN957.52 [数据、图像处理及录取]; TP391.41 [];
学科分类号
080203 ;
摘要
提出一种新的多视全极化SAR图像分割方法.将描述多视协方差矩阵的Wishart分布与马尔可夫随机场模型结合起来,利用迭代条件模型法(ICM)求取最大后验概率准则下的分割结果,其中ICM所需的初始分割图由基于Wishart分布的最大似然法获得.NASA/JPL实验室AIRSAR系统多视全极化数据的实验结果表明,与几种常用方法相比,本文方法分割精度更高,分割结果图中孤立像素少,图像连通性好.
引用
收藏
页码:2302 / 2306
页数:5
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