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学科主题: Geochemistry & Geophysics
题名: An efficient system for creating synthetic InSAR images from simulations
作者: Yuan, XR ; Liu, YC ; Yuen, DA ; Chen, BQ ; Pergler, T ; Shi, YL
通讯作者: xiaoru.yuan@gmail.com
关键词: earthquake ; GPU ; InSAR ; interference ; tsunami ; visualization
刊名: PURE AND APPLIED GEOPHYSICS
发表日期: 2008
卷: 165, 期:40606, 页:671-691
收录类别: sci
部门归属: [Yuan, Xiaoru] Peking Univ, Sch EECS, Key Lab Machine Percept Minister Educ, Beijing 100871, Peoples R China; [Yuan, Xiaoru] Peking Univ, Sch EECS, Dept Machine Intelligence, Beijing 100871, Peoples R China; [Liu, Yingchun] S China Sea Inst Oceanol, Guangzhou 510301, Peoples R China; [Yuen, David A.] Univ Minnesota Twin Cities, Dept Geol & Geophys, Minneapolis, MN 55455 USA; [Yuen, David A.] Univ Minnesota Twin Cities, Minnesota Supercomp Inst, Minneapolis, MN 55455 USA; [Pergler, Tomas] Charles Univ Prague, Fac Math & Phys, Dept Geophys, CR-18000 Prague, Czech Republic; [Shi, Yaolin] Chinese Acad Sci, Grad Univ, Dept Earth Sci, Beijing, Peoples R China; [Chen, Baoquan] Univ Minnesota Tuni Cities, Minneapolis, MN 55455 USA
项目归属: 海洋地质
摘要: In this work we visualize tsunami and earthquake simulation results with graphics hardware acceleration. The rapid improvement in the computational power of graphics hardware and its programmability has made general computation on Graphics Processing Units (GPUs) very compelling. We generate Synthetic InSAR images using GPUs. Interference phenomena have formed the underlying theory for Interferometric Synthetic Aperture Radar (InSAR) in unveiling dynamical Earth movements. In our approach light path differences are defined by the surface values to be visualized. These path differences then modulate the lighting intensity to generate the interference patterns. We can interactively visualize surface deformation patterns by leveraging the computational power of GPUs. Our visualization method is applied to simulations of rupture fault displacements during the tsunamogenic earthquake events, which are vital to understanding the subsequent wave propagation. We also integrate the visualization results into Google Earth virtual globe to provide the geological context of the visualized regions.
原文出处: 查看原文
WOS记录号: WOS:000255867100013
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/4552
Appears in Collections:中科院边缘海地质重点实验室_期刊论文

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Yuan, XR; Liu, YC; Yuen, DA; Chen, BQ; Pergler, T; Shi, YL.An efficient system for creating synthetic InSAR images from simulations,PURE AND APPLIED GEOPHYSICS,2008,165(40606):671-691
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