Multi-precision DEM data difference smooth fusion method and system
A fusion method and multi-precision technology, applied in image data processing, 3D modeling, instruments, etc., can solve the problems of low authenticity and accuracy of DEM data imaging, achieve control and reduce the selection range, reduce data flow, improve The effect of efficiency and precision
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[0063] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0064] The present invention proposes a multi-precision DEM data difference smooth fusion method, such as figure 1 As shown, the method includes:
[0065] S1. Collect the terrain data of the scene where the substation and the cable tunnel are located through the drone, and obtain the terrain image data of the scene where the substation and the cable tunnel are located within the scope of the calibrated terrain;
[0066] S2. Generate a first DEM model and a second DEM model according to the terrain image data of the scene where the substation and the cable tunnel are located;
[0067] S3. Using the difference method to fuse the first DEM model and the second DEM mod...
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