QuickQuakeBuildings: Post-earthquake SAR-Optical Dataset for Quick Damaged-building Detection

• URL: http://arxiv.org/abs/2312.06587v2
• Date: Fri, 5 Apr 2024 12:10:30 GMT
• Title: QuickQuakeBuildings: Post-earthquake SAR-Optical Dataset for Quick Damaged-building Detection
• Authors: Yao Sun, Yi Wang, Michael Eineder,
• Abstract summary: This letter presents the first dataset dedicated to detecting earthquake-damaged buildings from post-event very high resolution (VHR) Synthetic Aperture Radar (SAR) and optical imagery. We deliver a dataset of coregistered building footprints and satellite image patches of both SAR and optical data, encompassing more than four thousand buildings.
• Score: 5.886875818210989
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: Quick and automated earthquake-damaged building detection from post-event satellite imagery is crucial, yet it is challenging due to the scarcity of training data required to develop robust algorithms. This letter presents the first dataset dedicated to detecting earthquake-damaged buildings from post-event very high resolution (VHR) Synthetic Aperture Radar (SAR) and optical imagery. Utilizing open satellite imagery and annotations acquired after the 2023 Turkey-Syria earthquakes, we deliver a dataset of coregistered building footprints and satellite image patches of both SAR and optical data, encompassing more than four thousand buildings. The task of damaged building detection is formulated as a binary image classification problem, that can also be treated as an anomaly detection problem due to extreme class imbalance. We provide baseline methods and results to serve as references for comparison. Researchers can utilize this dataset to expedite algorithm development, facilitating the rapid detection of damaged buildings in response to future events. The dataset and codes together with detailed explanations and visualization are made publicly available at \url{https://github.com/ya0-sun/PostEQ-SARopt-BuildingDamage}.

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