Tunnel monitoring with an advanced InSAR technique

Bernhard Rabus; Jayson Eppler; Jayanti Sharma; Jennifer Busler

doi:10.1117/12.918644

8 May 2012 Tunnel monitoring with an advanced InSAR technique

Bernhard Rabus, Jayson Eppler, Jayanti Sharma, Jennifer Busler

Proceedings Volume 8361, Radar Sensor Technology XVI; 83611F (2012) https://doi.org/10.1117/12.918644
Event: SPIE Defense, Security, and Sensing, 2012, Baltimore, Maryland, United States

Abstract

The detection and monitoring of subsurface excavations has a variety of applications in both the civil and defense domains. We have developed a novel InSAR method (Homogenous Distributed Scatterer (HDS)-InSAR) that exploits both persistent point and coherent distributed scatterers by using adaptive multilooking of statistically homogenous pixel neighborhoods. In order to enhance the detection of small scale structures in low SNR environments a matched parametric spatio-temporal model is fit to the deformation signal. We illustrate the performance of our new method for the city of Vancouver over the last nine years using InSAR stacks of RADARSAT-1 and RADARSAT-2 data.

Citation Download Citation

Bernhard Rabus, Jayson Eppler, Jayanti Sharma, and Jennifer Busler "Tunnel monitoring with an advanced InSAR technique", Proc. SPIE 8361, Radar Sensor Technology XVI, 83611F (8 May 2012); https://doi.org/10.1117/12.918644

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