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  1. 防災科研関係論文

Detection of crustal movement from TerraSAR-X intensity images for the 2011 Tohoku, Japan earthquake

https://nied-repo.bosai.go.jp/records/4731
https://nied-repo.bosai.go.jp/records/4731
4e193186-4fbb-4f0a-882e-848a4f1ed1e3
Item type researchmap(1)
公開日 2023-03-30
タイトル
言語 en
タイトル Detection of crustal movement from TerraSAR-X intensity images for the 2011 Tohoku, Japan earthquake
著者 Wen Liu

× Wen Liu

en Wen Liu

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Fumio Yamazaki

× Fumio Yamazaki

en Fumio Yamazaki

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抄録
内容記述タイプ Other
内容記述 Significant crustal movements were caused by the 2011 Tohoku, Japan earthquake. A method for capturing the surface movements from pre- and postevent TerraSAR-X (TSX) intensity images is proposed in this letter. Because the shifts of unchanged buildings were considered as crustal movements in the two synthetic aperture radar images, we first extracted buildings from the pre- and postevent images using a segmentation approach. Then, the unchanged buildings were detected by matching the buildings in the pre- and postevent images at similar locations. Finally, the shifts were calculated by area-based matching. The method was tested on the TSX images covering the Sendai area. Compared with GPS observation records, the proposed method was found to be able to detect crustal movement at a subpixel level. c 2012 IEEE.
言語 en
書誌情報 en : IEEE Geoscience and Remote Sensing Letters

巻 10, 号 1, p. 199-203, 発行日 2013
ISSN
収録物識別子タイプ ISSN
収録物識別子 1545-598X
DOI
関連識別子 10.1109/LGRS.2012.2199076
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