{"title":"A Novel D-InSAR and Offset Tracking Fusion Algorithm Based on Variance-Masked Mean Filtering","authors":"Yifan Wang, Gen Li, Zihan Hu, Chuanxu Sun, Zhe Li","doi":"10.1049/ell2.70173","DOIUrl":null,"url":null,"abstract":"<p>Accurate ground deformation monitoring is crucial for understanding geophysical activities and mitigating disaster risks. D-InSAR and offset tracking are widely used but face limitations: D-InSAR struggles with phase unwrapping errors in large-scale deformation regions, while offset tracking lacks precision in small-scale deformation. This paper proposes a fusion algorithm based on variance-masked mean filtering to combine the strengths of both methods. The algorithm filters noise in gentle regions of the offset map and fuses refined results with D-InSAR to enhance accuracy. Applied to the 2023 Türkiye earthquake, the method effectively reduces noise, corrects unwrapping errors, and achieves superior accuracy in large-scale deformation scenarios such as earthquakes and landslides.</p>","PeriodicalId":11556,"journal":{"name":"Electronics Letters","volume":"61 1","pages":""},"PeriodicalIF":0.7000,"publicationDate":"2025-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/ell2.70173","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Electronics Letters","FirstCategoryId":"5","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1049/ell2.70173","RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"ENGINEERING, ELECTRICAL & ELECTRONIC","Score":null,"Total":0}
引用次数: 0
Abstract
Accurate ground deformation monitoring is crucial for understanding geophysical activities and mitigating disaster risks. D-InSAR and offset tracking are widely used but face limitations: D-InSAR struggles with phase unwrapping errors in large-scale deformation regions, while offset tracking lacks precision in small-scale deformation. This paper proposes a fusion algorithm based on variance-masked mean filtering to combine the strengths of both methods. The algorithm filters noise in gentle regions of the offset map and fuses refined results with D-InSAR to enhance accuracy. Applied to the 2023 Türkiye earthquake, the method effectively reduces noise, corrects unwrapping errors, and achieves superior accuracy in large-scale deformation scenarios such as earthquakes and landslides.
期刊介绍：
Electronics Letters is an internationally renowned peer-reviewed rapid-communication journal that publishes short original research papers every two weeks. Its broad and interdisciplinary scope covers the latest developments in all electronic engineering related fields including communication, biomedical, optical and device technologies. Electronics Letters also provides further insight into some of the latest developments through special features and interviews.
Scope
As a journal at the forefront of its field, Electronics Letters publishes papers covering all themes of electronic and electrical engineering. The major themes of the journal are listed below.
Antennas and Propagation
Biomedical and Bioinspired Technologies, Signal Processing and Applications
Control Engineering
Electromagnetism: Theory, Materials and Devices
Electronic Circuits and Systems
Image, Video and Vision Processing and Applications
Information, Computing and Communications
Instrumentation and Measurement
Microwave Technology
Optical Communications
Photonics and Opto-Electronics
Power Electronics, Energy and Sustainability
Radar, Sonar and Navigation
Semiconductor Technology
Signal Processing
MIMO
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