Earthquake Damage Region Detection by Multitemporal Coherence Map Analysis of Radar and Multispectral Imagery
Earth, as humans’ habitat, is constantly affected by natural events, such as floods, earthquakes, thunder, and drought among which earthquakes are considered one of the deadliest and most catastrophic natural disasters. The Iran-Iraq earthquake occurred in Kermanshah Province, Iran in November 2017....
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doaj-326cc20eda5447a5819c4a8cb544be3c2021-03-21T00:03:36ZengMDPI AGRemote Sensing2072-42922021-03-01131195119510.3390/rs13061195Earthquake Damage Region Detection by Multitemporal Coherence Map Analysis of Radar and Multispectral ImageryMahdi Hasanlou0Reza Shah-Hosseini1Seyd Teymoor Seydi2Sadra Karimzadeh3Masashi Matsuoka4School of Surveying and Geospatial Engineering, College of Engineering, University of Tehran,Tehran 1439957131, IranSchool of Surveying and Geospatial Engineering, College of Engineering, University of Tehran,Tehran 1439957131, IranSchool of Surveying and Geospatial Engineering, College of Engineering, University of Tehran,Tehran 1439957131, IranDepartment of Remote Sensing and GIS, University of Tabriz, Tabriz 5166616471, IranDepartment of Architecture and Building Engineering, Tokyo Institute of Technology, Yokohama 226-8502, JapanEarth, as humans’ habitat, is constantly affected by natural events, such as floods, earthquakes, thunder, and drought among which earthquakes are considered one of the deadliest and most catastrophic natural disasters. The Iran-Iraq earthquake occurred in Kermanshah Province, Iran in November 2017. It was a 7.4-magnitude seismic event that caused immense damages and loss of life. The rapid detection of damages caused by earthquakes is of great importance for disaster management. Thanks to their wide coverage, high resolution, and low cost, remote-sensing images play an important role in environmental monitoring. This study presents a new damage detection method at the unsupervised level, using multitemporal optical and radar images acquired through Sentinel imagery. The proposed method is applied in two main phases: (1) automatic built-up extraction using spectral indices and active learning framework on Sentinel-2 imagery; (2) damage detection based on the multitemporal coherence map clustering and similarity measure analysis using Sentinel-1 imagery. The main advantage of the proposed method is that it is an unsupervised method with simple usage, a low computing burden, and using medium spatial resolution imagery that has good temporal resolution and is operative at any time and in any atmospheric conditions, with high accuracy for detecting deformations in buildings. The accuracy analysis of the proposed method found it visually and numerically comparable to other state-of-the-art methods for built-up area detection. The proposed method is capable of detecting built-up areas with an accuracy of more than 96% and a kappa of about 0.89 in overall comparison to other methods. Furthermore, the proposed method is also able to detect damaged regions compared to other state-of-the-art damage detection methods with an accuracy of more than 70%.https://www.mdpi.com/2072-4292/13/6/1195damage detectioncoherence mapearthquakesentinel images |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Mahdi Hasanlou Reza Shah-Hosseini Seyd Teymoor Seydi Sadra Karimzadeh Masashi Matsuoka |
spellingShingle |
Mahdi Hasanlou Reza Shah-Hosseini Seyd Teymoor Seydi Sadra Karimzadeh Masashi Matsuoka Earthquake Damage Region Detection by Multitemporal Coherence Map Analysis of Radar and Multispectral Imagery Remote Sensing damage detection coherence map earthquake sentinel images |
author_facet |
Mahdi Hasanlou Reza Shah-Hosseini Seyd Teymoor Seydi Sadra Karimzadeh Masashi Matsuoka |
author_sort |
Mahdi Hasanlou |
title |
Earthquake Damage Region Detection by Multitemporal Coherence Map Analysis of Radar and Multispectral Imagery |
title_short |
Earthquake Damage Region Detection by Multitemporal Coherence Map Analysis of Radar and Multispectral Imagery |
title_full |
Earthquake Damage Region Detection by Multitemporal Coherence Map Analysis of Radar and Multispectral Imagery |
title_fullStr |
Earthquake Damage Region Detection by Multitemporal Coherence Map Analysis of Radar and Multispectral Imagery |
title_full_unstemmed |
Earthquake Damage Region Detection by Multitemporal Coherence Map Analysis of Radar and Multispectral Imagery |
title_sort |
earthquake damage region detection by multitemporal coherence map analysis of radar and multispectral imagery |
publisher |
MDPI AG |
series |
Remote Sensing |
issn |
2072-4292 |
publishDate |
2021-03-01 |
description |
Earth, as humans’ habitat, is constantly affected by natural events, such as floods, earthquakes, thunder, and drought among which earthquakes are considered one of the deadliest and most catastrophic natural disasters. The Iran-Iraq earthquake occurred in Kermanshah Province, Iran in November 2017. It was a 7.4-magnitude seismic event that caused immense damages and loss of life. The rapid detection of damages caused by earthquakes is of great importance for disaster management. Thanks to their wide coverage, high resolution, and low cost, remote-sensing images play an important role in environmental monitoring. This study presents a new damage detection method at the unsupervised level, using multitemporal optical and radar images acquired through Sentinel imagery. The proposed method is applied in two main phases: (1) automatic built-up extraction using spectral indices and active learning framework on Sentinel-2 imagery; (2) damage detection based on the multitemporal coherence map clustering and similarity measure analysis using Sentinel-1 imagery. The main advantage of the proposed method is that it is an unsupervised method with simple usage, a low computing burden, and using medium spatial resolution imagery that has good temporal resolution and is operative at any time and in any atmospheric conditions, with high accuracy for detecting deformations in buildings. The accuracy analysis of the proposed method found it visually and numerically comparable to other state-of-the-art methods for built-up area detection. The proposed method is capable of detecting built-up areas with an accuracy of more than 96% and a kappa of about 0.89 in overall comparison to other methods. Furthermore, the proposed method is also able to detect damaged regions compared to other state-of-the-art damage detection methods with an accuracy of more than 70%. |
topic |
damage detection coherence map earthquake sentinel images |
url |
https://www.mdpi.com/2072-4292/13/6/1195 |
work_keys_str_mv |
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