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Retrieve seismic damages from remote sensing images by change detection algorithm

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3 Author(s)
Dou, A.X. ; Inst. of Crustal Dynamics, China Seismological Bureau, Beijing, China ; Zhang, J.F. ; Tian, Y.F.

This paper addresses the problem of seismic damage based on the remote sensing image change detection. Comparison technique has long been recognized as an accurate model to describe a variety of image characteristics. Here, we develop algorithms, subtraction and ratio based on a disjointed pixel, correlativity and comparability based on neighboring pixels, respectively. By choosing the suitable threshold to segment differences in resulting images, we perform the post-earthquake damage assessment. Finally, the high resolution images acquired pre-and post-earthquake are presented for illustration and performance evaluation, and satisfied result are gained.

Published in:

Geoscience and Remote Sensing Symposium, 2003. IGARSS '03. Proceedings. 2003 IEEE International  (Volume:4 )

Date of Conference:

21-25 July 2003