Strip mine slope deformation on-line monitoring method based on ground trinocular video matching
An open-pit mine and video technology, applied in measuring devices, optical devices, image data processing, etc., can solve the problems of high cost, insufficient precision, low efficiency, etc., and achieve the effect of low cost, high precision and strong robustness
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[0035] by Figure 1-5 As an example, the implementation process of the present invention and its specific implementation manner will be described in detail.
[0036] 1. Trinocular video layout and camera parameter calibration
[0037] Step 1: If figure 2 As shown, according to the actual monitoring of the slope terrain, video cameras are reasonably arranged on the opposite side of the slope. Specifically, let B nm for camera C n with C m Baseline length between, n, m ∈ {1, 2, 3}, D for three cameras C 1 , C 2 , C 3 The average distance to the central area of the landslide, α nm For two cameras C n with C m The base depth ratio to the center of the landslide, in order to ensure the stable positioning of the long baseline, set the value range of the base depth ratio α according to formula 1, adjust the video shooting angle, and ensure that the video overlap of the monitoring area is greater than 80%. figure 2 As shown, for uninterrupted monitoring, multiple lumino...
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