遥感技术在地震应急基础数据库建设中的应用
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摘要
基于地震应急基础数据库的需求,以快速、有效、准确的获取任意区域范围的建筑物基础信息数据为目的,通过应用面向对象特征提取技术从遥感图像上获取建筑物信息,并结合GIS技术将获取到的数据在空间地理坐标下网格化,得到建筑物基础信息空间网格数据库。本文详细介绍了数据库建设的技术路线和在震害评估系统中的应用,并以四川省为例验证了本方法的可行性和准确性,为地震应急工作提供了有效的数据支持,为开展更大范围的数据库建设工作提供了一种新的思路。
Based on the need of earthquake emergency foundational database,and in order to get the arbitrary area range of building foundational information data rapidly,effectively and accurately,using the object-oriented extraction technology to get the building information from the remote sensing images,and combing with GIS technology to change the data into a spatial grid data in spatial geographic coordinates,and obtain a space grid database,which contains building foundational information,this paper introduces the technical route of database construction and the application in seismic damage assessment system and takes Sichuan Province as an example to validate the feasibility and accuracy of proposed method.This job gives an effective data support to earthquake emergency,and provides a new idea to carry out greater range of database establishing work.
Based on the need of earthquake emergency foundational database,and in order to get the arbitrary area range of building foundational information data rapidly,effectively and accurately,using the object-oriented extraction technology to get the building information from the remote sensing images,and combing with GIS technology to change the data into a spatial grid data in spatial geographic coordinates,and obtain a space grid database,which contains building foundational information,this paper introduces the technical route of database construction and the application in seismic damage assessment system and takes Sichuan Province as an example to validate the feasibility and accuracy of proposed method.This job gives an effective data support to earthquake emergency,and provides a new idea to carry out greater range of database establishing work.
引文
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[13]汤国安,杨昕.ArcGIS地理信息系统空间分析实验教程[M].北京:科学出版社,2006.TANG Guoan,YANG Xin.ArcGIS spatial analysis study course[M].Beijing:Science Press,2006.(in Chinese)
[14]Center for International Earth Science Information Network.http://www.ciesin.org/
[2]Yeh C H,Loh C H,Tsai K C.Overview of Taiwan earthquake loss estimation system[J].Nat Hazards.2006,37(1-2):23-37.
[3]陈洪富.HAZ-China地震灾害损失评估系统设计及初步实现[D].哈尔滨:中国地震局工程力学研究所,2012.CHENG Hongfu,General development and design of HAZ-China earthquake disaster loss estimation system[D].Harbin:Institute of EngineeringMechanics,China Earthquake Administration,2012.(in Chinese)
[4]陈洪富,孙柏涛,陈相兆,等.HAZ-China地震灾害损失评估系统研究[J].土木工程学报,2013,46(S2):294-300.CHEN Hongfu,SUN Baitao,CHEN Xiangzhao,et al.Study on HAZ-china earthquake disaster loss estimation system[J].China Civil Engineer-ing Journal,2013,46(S2):294-300.(in Chinese)
[5]Google Earth.http://earth.google.com,2010.
[6]陈强,姜立新,帅向华.Google Earth在地震应急中的应用[J].地震,2008,28(1):121-128.CHEN Qiang,JIANG Lixin,SHUAI Xianghua.The application of google earth in earthquake emergency[J].Earthquake,2008,28(1):121-128.(in Chinese)
[7]CGIAR-CSI,The CGIAR consortium for spatial information:http://srtm.csi.cgiar.org/SELECTION/inputCoord.asp.
[8]吴焕娟,郭明珠,张皎.遥感技术在防震减灾领域中的应用[J].地震工程与工程振动,2006,26(3):267-269.WU Huanjuan,GUO Mingzhu,ZHANG Jiao.Application of remote sensing technology in the field of earthquake prevention and disaster reduction[J].Journal of Earthquake Engineering and Engineering Vibration,2006,26(3):267-269.(in Chinese)
[9]杜凤兰,田庆久,夏学齐,等.面向对象的地物分类法分析与评价[J].遥感技术与应用,2004,19(1):20-23.DU Fenglan,TIAN Qingjiu,XIA Xueqi,et al.Object-oriented image classification analysis and evaluation[J].Remote Sensing Technology and Ap-plication,2004,19(1):20-23.(in Chinese)
[10]邓书斌.ENVI遥感图像处理方法[M].北京:科学出版社,2010.DENG Shubin.ENVI remote sensing image processing methods[M].Beijing:Science Press,2010.(in Chinese)
[11]谭衢霖,刘正军,沈伟.一种面向对象的遥感影像多尺度分割方法[J].北京交通大学学报,2007,31(4):111-119.TAN Qulin,LIU Zhengjun,SHEN Wei.An algorithm for object-oriented multi-scale remote sensing image segmentation[J].Journal of BeijingJiaotong University,2007,31(4):111-119.(in Chinese)
[12]黄慧萍.面向对象影像分析中的尺度问题研究[D].北京:中国科学院研究生院(遥感应用研究所),2003.HUANG Huiping.Scale issues in objet-oriented image analysis[D].Beijing:Institute of Remote Sensing Applications Chinese Academy of Sci-ences,2003.(in Chinese)
[13]汤国安,杨昕.ArcGIS地理信息系统空间分析实验教程[M].北京:科学出版社,2006.TANG Guoan,YANG Xin.ArcGIS spatial analysis study course[M].Beijing:Science Press,2006.(in Chinese)
[14]Center for International Earth Science Information Network.http://www.ciesin.org/
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