Use of Digital Surface Model Constructed from Digital Aerial Images to Detect Collapsed Buildings during Earthquake

被引：12
|
作者：
Maruyama, Yoshihisa [1 ]
Tashiro, Akira [2 ]
Yamazaki, Fumio [1 ]
机构：
[1] Chiba Univ, Dept Urban Environm Syst, Chiba, Japan
[2] JR East Facility Management Co Ltd, Yoyogi, Japan
来源：
PROCEEDINGS OF THE TWELFTH EAST ASIA-PACIFIC CONFERENCE ON STRUCTURAL ENGINEERING AND CONSTRUCTION (EASEC12) | 2011年 / 14卷
关键词：
collapsed building; earthquake; digital aerial image; DSM; aerial photogrammetry;
D O I：
10.1016/j.proeng.2011.07.069
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The collapsed buildings during the 2007 Niigata Chuetsu-oki earthquake are detected based on aerial photogrammetry using digital aerial images. The digital surface models in the area where severe damage incidents were observed after the earthquake are constructed using digital aerial camera images. The pre- and post-event aerial images are employed to obtain the digital surface models in this study. The differences of building heights between pre- and post-event models are considered to detect collapsed buildings and the accuracy of the method is discussed in this paper. (C) 2011 Published by Elsevier Ltd.
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页数：7
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