Automatic Remote Sensing Identification of Co-Seismic Landslides Using Deep Learning Methods
2022
Pang, Dongdong | Liu, Gang | He, Jing | Li, Weile | Fu, Rao
Rapid and accurate extraction of landslide areas triggered by earthquakes has far-reaching significance for geological disaster risk assessment and emergency rescue. At present, visual interpretation and field survey are still the most-commonly used methods for landslide identification, but these methods are often time-consuming and costly. For this reason, this paper tackles the problem of co-seismic landslide identification and the fact that there is little sample information in existing studies on landslide. A landslide sample dataset with 4000 tags was produced. With the YOLOv3 algorithm as the core, a convolutional neural network model with landslide characteristics was established to automatically recognize co-seismic landslides in satellite remote sensing images. By comparing it with the graphical interpretation results of remote sensing images, we found that the remote sensing for landslide recognition model constructed in this paper demonstrated high recognition accuracy and fast speed. The F1 value was 0.93, indicating that the constructed model was stable. The research results can provide reference for emergency rescue and disaster investigation of the same co-seismic landslide disaster.
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