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Published January 7, 2008 | Published
Book Section - Chapter Open

Co-Registration of Optically Sensed Images and Correlation (COSI-Corr): an Operational Methodology for Ground Deformation Measurements

Abstract

Recent methodological progress, Co-Registration of Optically Sensed Images and Correlation, outlined here, makes it possible to measure horizontal ground deformation from optical images on an operational basis, using the COSI-Corr software package. In particular, its sub-pixel capabilities allow for accurate mapping of surface ruptures and measurement of co-seismic offsets. We retrieved the fault rupture of the 2005 Mw 7.6 Kashmir earthquake from ASTER images, and we also present a dense mapping of the 1992 Mw 7.3 Landers earthquake of California, from the mosaicking of 30 pairs of aerial images.

Additional Information

© 2007 IEEE. Issue Date: 23-28 July 2007. Date of Current Version: 07 January 2008. The authors would like to thank the Observatoire de Paris for providing us with outstanding digitization of the aerial films, and Pablo Musé for his useful comments.

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