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Article

Classification of Building Damage Using a Novel Convolutional Neural Network Based on Post-Disaster Aerial Images

1
College of Information Technology, Shanghai Ocean University, Shanghai 201306, China
2
National Earthquake Response Support Service, Beijing 100049, China
3
College of Civil Engineering and Architecture, Guizhou Minzu University, Guiyang 550025, China
*
Author to whom correspondence should be addressed.
Sensors 2022, 22(15), 5920; https://doi.org/10.3390/s22155920
Submission received: 28 June 2022 / Revised: 4 August 2022 / Accepted: 4 August 2022 / Published: 8 August 2022

Abstract

The accurate and timely identification of the degree of building damage is critical for disaster emergency response and loss assessment. Although many methods have been proposed, most of them divide damaged buildings into two categories—intact and damaged—which is insufficient to meet practical needs. To address this issue, we present a novel convolutional neural network—namely, the earthquake building damage classification net (EBDC-Net)—for assessment of building damage based on post-disaster aerial images. The proposed network comprises two components: a feature extraction encoder module, and a damage classification module. The feature extraction encoder module is employed to extract semantic information on building damage and enhance the ability to distinguish between different damage levels, while the classification module improves accuracy by combining global and contextual features. The performance of EBDC-Net was evaluated using a public dataset, and a large-scale damage assessment was performed using a dataset of post-earthquake unmanned aerial vehicle (UAV) images. The results of the experiments indicate that this approach can accurately classify buildings with different damage levels. The overall classification accuracy was 94.44%, 85.53%, and 77.49% when the damage to the buildings was divided into two, three, and four categories, respectively.
Keywords: building damage; deep learning; earthquake building damage classification net (EBDC-Net); aerial images building damage; deep learning; earthquake building damage classification net (EBDC-Net); aerial images

Share and Cite

MDPI and ACS Style

Hong, Z.; Zhong, H.; Pan, H.; Liu, J.; Zhou, R.; Zhang, Y.; Han, Y.; Wang, J.; Yang, S.; Zhong, C. Classification of Building Damage Using a Novel Convolutional Neural Network Based on Post-Disaster Aerial Images. Sensors 2022, 22, 5920. https://doi.org/10.3390/s22155920

AMA Style

Hong Z, Zhong H, Pan H, Liu J, Zhou R, Zhang Y, Han Y, Wang J, Yang S, Zhong C. Classification of Building Damage Using a Novel Convolutional Neural Network Based on Post-Disaster Aerial Images. Sensors. 2022; 22(15):5920. https://doi.org/10.3390/s22155920

Chicago/Turabian Style

Hong, Zhonghua, Hongzheng Zhong, Haiyan Pan, Jun Liu, Ruyan Zhou, Yun Zhang, Yanling Han, Jing Wang, Shuhu Yang, and Changyue Zhong. 2022. "Classification of Building Damage Using a Novel Convolutional Neural Network Based on Post-Disaster Aerial Images" Sensors 22, no. 15: 5920. https://doi.org/10.3390/s22155920

APA Style

Hong, Z., Zhong, H., Pan, H., Liu, J., Zhou, R., Zhang, Y., Han, Y., Wang, J., Yang, S., & Zhong, C. (2022). Classification of Building Damage Using a Novel Convolutional Neural Network Based on Post-Disaster Aerial Images. Sensors, 22(15), 5920. https://doi.org/10.3390/s22155920

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