Experimental investigations of filtering methods of ERS-1/2 InSAR interferograms(ERS-1/2 InSAR干涉图处理的滤波方法实验对比研究)

Experimental investigations of filtering methods of ERS-1/2 InSAR interferograms(ERS-1/2 InSAR干涉图处理的滤波方法实验对比研究)

选择合适的滤波方法对InSar干涉相位图进行滤波处理是提高干涉图质量的关键技术环节.系统研究了圆周期均值滤波、圆周期中值滤波、加权圆周期滤波和基于梯度的自适应滤波方法，利用ERS-1/2数据进行了对比实验，并对各方法的效果进行了评价.结果表明，基于梯度的自适应滤波方法可以取得稳定效果，而梯度的自适应滤波与圆周期中值滤波组合效果更加显著....

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Bibliographic Details
Main Authors: ZHANGDeng-rong(张登荣), YUJun(余君), GUOXiao-fang(郭小方), YULe(俞乐), WANGFan(王帆), WANGXiao-xin(王晓信)
Format: Article
Language:zho
Published: Zhejiang University Press 2008-07-01
Series:Zhejiang Daxue xuebao. Lixue ban
Subjects:
insar
干涉图
相位噪声
多视
滤波
Online Access:https://doi.org/10.3785/j.issn.1008-9497.2008.04.023

Internet

https://doi.org/10.3785/j.issn.1008-9497.2008.04.023

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