改进的形态学干涉图滤波方法

TN957; 在干涉合成孔径雷达滤波中由于去噪的同时会对干涉条纹产生平滑效应,导致干涉条纹细节信息丢失.针对这一问题,基于数学形态学原理,提出了一种改进的自适应梯度形态学重建滤波方法.首先,引入相位图像矢量化可有效保护相位条纹连续性.其次,改进自适应梯度估计方法,优化线结构元素选取以保护相位的细节信息.最后,结合改进的形态学开闭操作和基于膨胀及腐蚀的形态学重建操作对干涉图进行滤波处理.仿真和实测数据实验结果表明,该算法在有效去噪的同时,有较好的相位保持特性....

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Published in系统工程与电子技术 Vol. 40; no. 10; pp. 2230 - 2236
Main Authors 张斌, 胡庆荣, 韦立登, 李爽
Format Journal Article
LanguageChinese
Published 北京无线电测量研究所,北京100854 01.10.2018
中国航天科工集团第二研究院,北京100854%北京无线电测量研究所,北京,100854
Subjects
形态学滤波
梯度估计
形态学开闭操作
干涉合成孔径雷达
形态学重建
Online AccessGet full text
ISSN1001-506X
DOI10.3969/j.issn.1001-506X.2018.10.11

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Abstract TN957; 在干涉合成孔径雷达滤波中由于去噪的同时会对干涉条纹产生平滑效应,导致干涉条纹细节信息丢失.针对这一问题,基于数学形态学原理,提出了一种改进的自适应梯度形态学重建滤波方法.首先,引入相位图像矢量化可有效保护相位条纹连续性.其次,改进自适应梯度估计方法,优化线结构元素选取以保护相位的细节信息.最后,结合改进的形态学开闭操作和基于膨胀及腐蚀的形态学重建操作对干涉图进行滤波处理.仿真和实测数据实验结果表明,该算法在有效去噪的同时,有较好的相位保持特性.
AbstractList TN957; 在干涉合成孔径雷达滤波中由于去噪的同时会对干涉条纹产生平滑效应,导致干涉条纹细节信息丢失.针对这一问题,基于数学形态学原理,提出了一种改进的自适应梯度形态学重建滤波方法.首先,引入相位图像矢量化可有效保护相位条纹连续性.其次,改进自适应梯度估计方法,优化线结构元素选取以保护相位的细节信息.最后,结合改进的形态学开闭操作和基于膨胀及腐蚀的形态学重建操作对干涉图进行滤波处理.仿真和实测数据实验结果表明,该算法在有效去噪的同时,有较好的相位保持特性.
Author 胡庆荣
李爽
张斌
韦立登
AuthorAffiliation 北京无线电测量研究所,北京100854;中国航天科工集团第二研究院,北京100854%北京无线电测量研究所,北京,100854
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Author_FL ZHANG Bin
HU Qingrong
LI Shuang
WEI Lideng
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Keywords 形态学滤波
梯度估计
形态学开闭操作
干涉合成孔径雷达
形态学重建
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中国航天科工集团第二研究院,北京100854%北京无线电测量研究所,北京,100854
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