地震前后遥感影像分形特征研究
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摘要
利用汶川地震中获取的遥感影像,采用三角棱柱表面积法对影像中的不同地物进行分维数的计算。计算结果证明,影像中同一区域各个波段计算出来的分形维数不同,波段质量对分形维数影响较大;分形特征能够区分不同破坏程度的建筑物、滚石与其他地物。
The triangular prism surface area method was used to analyze fractal dimension of the different ground objects in remote sensing images obtained from Wenchuan %M%s8.0 earthquake.The experimental results show that fractal dimensions values in same region of optical image are different,image quality has great influence on fractal dimension and that fractal feature is able to be used for distinguishing the different degree of building damage,rolling stones and others.
The triangular prism surface area method was used to analyze fractal dimension of the different ground objects in remote sensing images obtained from Wenchuan %M%s8.0 earthquake.The experimental results show that fractal dimensions values in same region of optical image are different,image quality has great influence on fractal dimension and that fractal feature is able to be used for distinguishing the different degree of building damage,rolling stones and others.
引文
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2蔡山,等.利用遥感资料绘制汶川地震烈度图方法研究[J].大地测量与地球动力学,2009,(1):31-35.(CaiShan,et al.Study on mapping seismic intensity distributionfrom RS data[J].Journal of Geodesy and Geodynamics,2009,(1):31-35)
3陈颙,陈凌.分形几何学[M].北京:地震出版社,2005.(Chen Yong and Chen Ling.Fractal geometry[M].Beijing:Seismological Press,2005)
4张华国,等.关于IKONOS卫星遥感图像的分形特征研究[J].测绘通报,2005,(5):15-18.(Zhang Huaguo,et al.Fractal characterization of Ikonos imagery[J].Bulletin ofSurveying and Mapping,2005,(5):15-18)
5何凯,等.基于分形及纹理分析的城市遥感影像阴影去除[J].天津大学学报,2008,41(7):800-804.(He kai,etal.Shadow removal of city’s remote sensing image based onfractal and texture analysis[J].Journal of Tianjin Universi-ty,2008,41(7):800-804)
6陈燕,等.基于遥感图像的地学信息单元特征提取与识别[J].武汉理工大学学报(交通科学与工程版),2008,32(6):1 021-1 024.(Chen Yan,et al.Research on the ab-straction and classification of the geo-info-unit based onthe remote sensing image[J].Journal of Wuhan University ofTechnology(Transportation Science&Engineering),2008,32(6):1 021-1 024)
7朱建刚,等.图像分析计算水系分形维数的改进方法与应用[J],地球信息科学学报,2009,11(5):610-616.(ZhuJiangang,et al.Improved method for computing fractal di-mension of river networks based on image analysis and its ap-plication[J].Journal of Geo-Information Science,2009,11(5):610-616)
8陈小梅,倪国强.多分辨分形理论在高分辨率遥感图像分割中的应用[J].光学技术,2009,35(2):178-180.(Chen Xiaomei and Ni Guoqiang.Multifractional image seg-mentation in high resolution remote sensing image[J].Opti-cal Technique,2009,35(2):178-180)
9孙俊琳.基于分形理论SAR图像分析[D].华中科技大学,2005.(Sun Junlin.SAR image analysis based on thefractal theory[D].Huazhong University of Science and Tech-nology,2005)
10李厚强,等.基于分形理论的航空图像分类方法[J].遥感学报,2005,5(5):353-357.(Li Houqiang,et al.Aeri-al image classification method based on fractal theory[J].Journal of Remote Sensing,2005,5(5):353-357)
11 Clarke K C.Computation of the fractal dimension of topo-graphic surfaces using the triangular prism surface areamethod[J].Computers and Geosciences,1986,(12):713-722.
12邢帅,等.多源异质遥感影像的分形特征分析[J],测绘科学技术学报,2006,23(4):254-258.(Xing Shuai,etal.Fractal characteristic analysis for multi-resources heter-ogeneous remote sensing images[J].Journal of ZhengzhouInstitute of Surveying and Mapping.2006,23(4):254-258)
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