Research on Rural Landscape Spatial Information Recording and Protection Based on 3D Point Cloud Technology under the Background of Internet of Things

<div>Schematic diagram of normal vector and angle between normal vectors in different surface areas. (a) Plane area. (b) Surface area. (c) Included angle of normal vector.</div>

Computational Intelligence and Neuroscience

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Figure 2: Research on Rural Landscape Spatial Information Recording and Protection Based on 3D Point Cloud Technology under the Background of Internet of Things 

Figure 2 | Research on Rural Landscape Spatial Information Recording and Protection Based on 3D Point Cloud Technology under the Background of Internet of Things 