Landslide monitoring by merging ground laser point cloud and aerial image

doi:10.13474/j.cnki.11-2246.2019.0122

Abstract

Abstract:

Aiming at the actual needs of landslide monitoring for a hydroelectric power station in Yunnan, this paper proposes a landslide monitoring method that merges ground laser point cloud data and aerial imagery. Firstly, data registration is used to realize the fusion and integration of ground laser point cloud and aerial image. Then, through data noise removing and surface model reconstruction, the monitoring data benchmark is established. Finally, the deformation law of the landslide area is studied by the overall deformation analysis based on the surface model and the sampling analysis based on the profile. Based on the five monitoring data that have been obtained, it shows that the monitoring method proposed in this paper has high monitoring accuracy and good applicability.

Key words: landslide monitoring, 3D laser scanning technology, photogrammetry, point cloud data, aerial image

CLC Number:

WANG Qingguo, ZHAO Hai, LI Jianping. Landslide monitoring by merging ground laser point cloud and aerial image[J]. 测绘通报, 2019, 0(4): 99-102.

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