Acta Geodaetica et Cartographica Sinica ›› 2022, Vol. 51 ›› Issue (2): 238-247.doi: 10.11947/j.AGCS.2022.20200318

• Photogrammetry and Remote Sensing • Previous Articles     Next Articles

Detection of damaged buildings based on generative adversarial networks

GE Xiaosan1,2, CHEN Xi1,2,3, ZHAO Wenzhi3, LI Ruixiang1,2   

  1. 1. School of Surveying and Land Information Engineering, Henan Polytechnic University, Jiaozuo 454003, China;
    2. Key Laboratory of Spatio-temporal Information and Ecological Restoration of Mines(MNR), Henan Polytechnic University, Jiaozuo 454003, China;
    3. Institute of Remote Sensing Science and Engineering, Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China
  • Received:2020-07-17 Revised:2021-08-03 Published:2022-02-28
  • Supported by:
    Beijing Municipal Natural Science Foundation (No. 4214065); The National Natural Science Foundation of China (No. 41572341); Natural Science Foundation of Henan, China (222300420450); The National Key Research and Development Program of China (No. 2018YFC1508903)

Abstract: As one of the most affected hazard-affected bodies in natural disasters, accurate damage information extraction of buildings plays a significant role in post-disaster emergency rescue. Referring to the idea of multi-mode fusion technique, a recursive generative adversarial networks (RS-GAN) method is proposed to automatically detect damaged buildings. In RS-GAN, the workflow of damaged buildings detection is composed of two sub-tasks as follows:building identification before disasters as well as damaged building detection after disasters, which are completed in two GAN branches respectively. Specifically, RS-GAN adds a joint loss function to connect the two GAN branches, making full use of the potential mutual benefit between the two tasks to improve the detection accuracy. In addition, the results of building identification are added to the damaged building detection task to locate potential damaged areas. The method proposed in this paper is an end-to-end model, which can automatically detect damaged buildings without excessive manual intervention. To verify the effect of the RS-GAN model, in this paper, two experiments were set with the Santa Rosa dataset and Missouri respectively. Experimental results show that RS-GAN method has better detection performance compared to other competitive methods, and the overall accuracy and average accuracy on the Santa Rosa data set are 0.90 and 0.86, respectively.

Key words: generative adversarial networks, pre-disaster and post-disaster bitemporal images, building contour extraction, damaged building detection, step-by-step learning

CLC Number: