Title :
Preliminary hazard degree assessment of urban earthquake disaster based on high resolution satellite image
Author :
Dong, Yansheng ; Yu, Deyong ; Zhang, Jinshui ; Hou, Dong
Author_Institution :
State Key Lab. of Earth Surface Processes & Resource Ecology, Beijing Normal Univ., Beijing
Abstract :
In order to assessment hazard degree of urban earthquake disaster, a method of updating building information in spatial database is proposed based on high-resolution satellite images. With available high-precision geographic data in spatial database, the building information is extracted from high-resolution satellite images by object-based approach, and then used to update spatial database. According to the story number and volume of building, a preliminary evaluation of hazard degree for urban earthquake disaster is implemented in an experimental region.
Keywords :
disasters; earthquakes; geographic information systems; geophysics computing; object-oriented methods; remote sensing; GIS data; building information extraction; hazard degree assessment; high resolution satellite image; high-precision geographic data; object-based approach; object-based supervised classification; update spatial database; urban building; urban earthquake disaster; Buildings; Cities and towns; Earthquakes; Geographic Information Systems; Hazards; Image databases; Image resolution; Remote sensing; Satellites; Spatial databases;
Conference_Titel :
Urban Remote Sensing Event, 2009 Joint
Conference_Location :
Shanghai
Print_ISBN :
978-1-4244-3460-2
Electronic_ISBN :
978-1-4244-3461-9
DOI :
10.1109/URS.2009.5137730
