Statistical analysis to assess building damage in 2008 Wenchuan earthquake from multi-temporal SAR images

Author

Wang, Haipeng ; Jin, Ya-Qiu

Author_Institution

Key Lab. of Wave Scattering & Remote Sensing Inf. (MoE), Fudan Univ., Shanghai, China

fYear

2009

fDate

26-30 Oct. 2009

Firstpage

121

Lastpage

123

Abstract

The statistical approaches, i.e. K-distribution and Getis statistics, are applied to ALOS PALSAR image for assessing the building damage caused by Wenchuan earthquake in 2008. As a proposed image analysis, a simulated image with random bright squares, as building objects, is firstly presented for analysis of the K-distribution and Getis statistics. Then, these statistics are applied to two ALOS PALSAR images acquired before and after the Wenchuan Earthquake to assess building damage level. Results of K-distribution and Getis statistics show that the damage level might reach 93% and 81%, respectively.

Keywords

earthquakes; geophysical image processing; remote sensing by radar; statistical analysis; synthetic aperture radar; AD 2008; ALOS PALSAR image; Getis statistics; K-distribution statistics; Wenchuan earthquake; building damage; image analysis; multitemporal SAR images; statistical analysis; Analytical models; Earthquakes; Image analysis; Image resolution; Pixel; Remote monitoring; Scattering; Statistical analysis; Statistical distributions; Statistics; Building damage assessment; Earthquake; Getis statistics; K-distribution;

fLanguage

English

Publisher

ieee

Conference_Titel

Synthetic Aperture Radar, 2009. APSAR 2009. 2nd Asian-Pacific Conference on

Conference_Location

Xian, Shanxi

Print_ISBN

978-1-4244-2731-4

Electronic_ISBN

978-1-4244-2732-1

Type

conf

DOI

10.1109/APSAR.2009.5374142

Filename

5374142