The optimum selection of common master image for series of differential SAR processing to estimate long and slow ground deformation | IEEE Conference Publication | IEEE Xplore

The optimum selection of common master image for series of differential SAR processing to estimate long and slow ground deformation


First Page of the Article

Date of Conference: 29-29 July 2005
Date Added to IEEE Xplore: 14 November 2005
Print ISBN:0-7803-9050-4

ISSN Information:

Conference Location: Seoul

First Page of the Article


I Introduction

Differential interferometric synthetic aperture radar (DInSAR) is a technique that uses two or three SAR images including common area for interference to estimate the ground deformation during a particular time. It has good precision and can even detect millimeter level movement, so it has been applied in different areas such as detecting mine subsidence, earthquake and volcano activities, glacier movement, and etc. But if the images have low correlation for the surface of ground changed between the periods images acquisition, the registration and interferometric processing are difficult and will elicit poor conclusion. Furthermore, the atmospheric effect will bring error to the interferometric result, in particular of small and slow deformation compared with atmospheric error.

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