基于中分辨率遥感影像的居民区震害信息提取
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摘要
针对中分辨率遥感影像建筑物震害信息弱以及变化检测法受非震害信息影响大等弱点,本文建立了一种基于变化检测的居民区震害信息快速提取方法.该方法利用主成分变换增强震害信息,采用监督分类法提取似居民区,并用灯光影像数据进一步对似居民区提取结果进行优化,从而很好地消除了变化检测方法中非震害因素的影响.在此基础上,以2001年印度MW7.6地震的极重灾区为研究区域,利用震前、震后Landsat卫星TM图像和震区灯光影像数据,对本文算法进行了验证和分析.结果表明,在30—50m中分辨率遥感影像上,以建筑物为主的居民区震后图像变化最为显著的震害特征是反射率变大,本文所建立的居民区震害信息提取方法在解决中分辨率遥感影像震害目标信息弱、背景复杂等方面效果明显.
There are some weak spots in medium-resolution remote sensing image,such as weak information in seismic disaster of buildings and change detection method prone to be affected by non-seismic disaster information.According to those problems,this paper established a method for quickly extracting residential seismic damage information based on the change detection method,which uses principal component transform to enhance damaged information,and adopts the supervised classification method to extract the similar residential area,which were further optimized by using the nighttime lightsdata,eliminating the influence of non-seismic disaster factors in the change detection method.And then the meizoseismal area of India MW7.6earthquake in2001 is chosen as the studied area by using Landsat thematic mapper(TM)imagery pre-and post-earthquake and nighttime lights data of earthquakestricken area so as to verify and analyze the method proposed in this paper.The results show that the reflectivity becomes larger is the the most significant damaged characteristic for the building residential area in the resolution of 30--50 m medium-resolution remote sensing image.The method for extracting residential earthquake damage information established in this paper has good effects in solving weakly damaged information and background noise based on mediumresolution images.
There are some weak spots in medium-resolution remote sensing image,such as weak information in seismic disaster of buildings and change detection method prone to be affected by non-seismic disaster information.According to those problems,this paper established a method for quickly extracting residential seismic damage information based on the change detection method,which uses principal component transform to enhance damaged information,and adopts the supervised classification method to extract the similar residential area,which were further optimized by using the nighttime lightsdata,eliminating the influence of non-seismic disaster factors in the change detection method.And then the meizoseismal area of India MW7.6earthquake in2001 is chosen as the studied area by using Landsat thematic mapper(TM)imagery pre-and post-earthquake and nighttime lights data of earthquakestricken area so as to verify and analyze the method proposed in this paper.The results show that the reflectivity becomes larger is the the most significant damaged characteristic for the building residential area in the resolution of 30--50 m medium-resolution remote sensing image.The method for extracting residential earthquake damage information established in this paper has good effects in solving weakly damaged information and background noise based on mediumresolution images.
引文
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曾涛,杨武年,黎小东,刘汉湖,彭立,简季.2010.面向对象的高空间分辨率遥感影像信息提取:汶川地震城市震害房屋案例研究[J].自然灾害学报,19(5):81--87.Zeng T,Yang W N,Li X D,Liu H H,Peng L,Jian J.2010.Information extraction of object-oriented high resolution remote sensing image:A case study on urban damaged buildings in Wenchuan earthquake[J].Journal of Natural Disasters,19(5):81--87(in Chinese).
张景发,谢礼立,陶夏新.2002.建筑物震害遥感图像的变化检测与震害评估[J].自然灾害报,11(2):59--64.Zhang J F,Xie L L,Tao X X.2002.Change detection of remote sensing image for earthquake-damaged buildings and its application in seismic disaster assessment[J].Journal of Natural Disasters,11(2):59--64(in Chinese).
张小咏,买莹,张凌.2013.基于数学形态学的高分遥感影像地震重点目标信息提取[J].地震,33(2):115--122.Zhang X Y,Mai Y,Zhang L.2013.Extraction of earthquake key objects from high spatial resolution images based on mathematical morphology[J].Earthquake,33(2):115--122(in Chinese).
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Matsuoka M,Yamazaki F.1998.Identification of damaged areas due to the 1995 Hyogoken-Nanbu earthquake using satellite optical images[C]∥Proceedings of the 19th Asian Conference on Remote Sensing.Traders Hotel,Manila:1--6.
Matsuoka M,Yamazaki F.2004.Use of SAR intensity imagery for earthquake damage detection[C]∥Proceedings of the 2nd Workshop on Application of Remote Sensing Technologies for Disaster Response.Newport Beach,California:IEEE:1--5.
Narayan J P,Sharma M L,Kumar A.2002.A seismological report on the 26January 2001Bhuj,India earthquake[J].Seismol Res Lett,73(3):343--355.
Yusuf Y,Matsuoka M,Yamazaki F.2001.Damage assessment after 2001Gujarat earthquake using Landsat-7satellite images[J].J Indian Soc Remote Sens,29(1/2):17--22.
Yusuf Y,Matsuoka M,Yamazaki F.2002.Detection of building damage due to the 2001Gujurat,India earthquake,using satellite remote sensing[C]∥Proceedings of the 7th National US Conference on Earthquake Engineering.Oakland,California:Earthquake Engineering Research Institute:21--25.
窦爱霞.2003.震害遥感图像变化检测技术研究[D].济南:山东科技大学地球科学与工程学院:1--21.Dou A X.2003.Study on Seismic Damage Change Detecting Technique Based on Remote Sensing Images[D].Ji’nan:College of Earth Science and Engineering,Shandong University of Science and Technology:1--21(in Chinese).
雷莉萍,刘良云,张丽,毕建涛,吴艳红,焦全军,张文娟.2010.汶川地震房屋倒塌的遥感监测与分析[J].遥感学报,14(2):333--344.Lei L P,Liu L Y,Zhang L,Bi J T,Wu Y H,Jiao Q J,Zhang W J.2010.Assessment and analysis of collapsing houses by aerial images in the Wenchuan earthquake[J].Journal of Remote Sensing,14(2):333--344(in Chinese).
柳稼航.2003.利用遥感技术进行城市建筑震害的自动识别与分类方法研究[D].北京:中国地震局地质研究所:1--10.Liu J H.2003.A Method Study on Automatic Recognition and Classification of Earthquake-Caused Building Damage in Cities Using Remote Sensing[D].Beijing:Institute of Geology,China Earthquake Administration:1--10(in Chinese).
童庆禧,张兵,郑兰芬.2006.高光谱遥感:原理、技术与应用[M].北京:高等教育出版社:166--217.Tong Q X,Zhang B,Zheng L F.2006.Hyperspectral Remote Sensing[M].Beijing:Higher Education Press:166--217(in Chinese).
王晓青,王龙,王岩,丁香,窦爱霞,张飞宇.2008.汶川8.0级大地震应急遥感震害评估研究[J].震灾防御技术,3(3):251--258.Wang X Q,Wang L,Wang Y,Ding X,Dou A X,Zhang F Y.2008.Study on the damage assessment of Wenchuan MS8.0earthquake based on remote sensing imagery[J].Technology for Earthquake Disaster Prevention,3(3):251--258(in Chinese).
曾涛,杨武年,黎小东,刘汉湖,彭立,简季.2010.面向对象的高空间分辨率遥感影像信息提取:汶川地震城市震害房屋案例研究[J].自然灾害学报,19(5):81--87.Zeng T,Yang W N,Li X D,Liu H H,Peng L,Jian J.2010.Information extraction of object-oriented high resolution remote sensing image:A case study on urban damaged buildings in Wenchuan earthquake[J].Journal of Natural Disasters,19(5):81--87(in Chinese).
张景发,谢礼立,陶夏新.2002.建筑物震害遥感图像的变化检测与震害评估[J].自然灾害报,11(2):59--64.Zhang J F,Xie L L,Tao X X.2002.Change detection of remote sensing image for earthquake-damaged buildings and its application in seismic disaster assessment[J].Journal of Natural Disasters,11(2):59--64(in Chinese).
张小咏,买莹,张凌.2013.基于数学形态学的高分遥感影像地震重点目标信息提取[J].地震,33(2):115--122.Zhang X Y,Mai Y,Zhang L.2013.Extraction of earthquake key objects from high spatial resolution images based on mathematical morphology[J].Earthquake,33(2):115--122(in Chinese).
Estrada M,Yamazaki F.2000.Use of Landsat images for the identification of damage due to the 1999Kocaeli,Turkey earthquake[C]∥Proceedings of the 21st Asian Conference on Remote Sensing.Taipei:ACRS:1--11.
Hayashi H,Hashitera S,Kohiyama M,Matsuoka M,Maki N,Fujita H,Elvidge C D.2000.International collaboration for the early damaged area estimation system using DMSP/OLS nighttime images[C]∥Proceedings of IEEE 2000International Geoscience and Remote Sensing Symposium(CD-ROM).Honolulu:IEEE:2697--2699.
Matsuoka M,Yamazaki F.1998.Identification of damaged areas due to the 1995 Hyogoken-Nanbu earthquake using satellite optical images[C]∥Proceedings of the 19th Asian Conference on Remote Sensing.Traders Hotel,Manila:1--6.
Matsuoka M,Yamazaki F.2004.Use of SAR intensity imagery for earthquake damage detection[C]∥Proceedings of the 2nd Workshop on Application of Remote Sensing Technologies for Disaster Response.Newport Beach,California:IEEE:1--5.
Narayan J P,Sharma M L,Kumar A.2002.A seismological report on the 26January 2001Bhuj,India earthquake[J].Seismol Res Lett,73(3):343--355.
Yusuf Y,Matsuoka M,Yamazaki F.2001.Damage assessment after 2001Gujarat earthquake using Landsat-7satellite images[J].J Indian Soc Remote Sens,29(1/2):17--22.
Yusuf Y,Matsuoka M,Yamazaki F.2002.Detection of building damage due to the 2001Gujurat,India earthquake,using satellite remote sensing[C]∥Proceedings of the 7th National US Conference on Earthquake Engineering.Oakland,California:Earthquake Engineering Research Institute:21--25.