Obtaining the deformation and displacement information of the land surface is of great significance for the monitoring and early warning of landslide disasters.Based on photogrammetry and image recognition technology,a three-dimensional displacement identification metho...MORE Obtaining the deformation and displacement information of the land surface is of great significance for the monitoring and early warning of landslide disasters.Based on photogrammetry and image recognition technology,a three-dimensional displacement identification method for landslide surface is proposed.By establishing ...