Coal and rock identification method based on laser scanning
A technology of laser scanning and coal rock recognition, applied in character and pattern recognition, instruments, computer components, etc., can solve problems such as low measurement resolution, reduced recovery rate, and complex stress
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[0020] An embodiment of the present invention will be further described below in conjunction with the accompanying drawings:
[0021] The laser scanning-based coal and rock recognition method of the present invention uses the laser scanning V400 of Optech, Canada to automatically recognize coal and rock objects, and the specific steps are as follows:
[0022] (1) First, under the same laser scanning conditions, the three-dimensional surface morphology of a known coal sample and a known rock sample at different distances were measured by incident scanning laser beams, and the laser scanning coal samples and rock samples were obtained in real time. Reflectivity at distance;
[0023] (2) Establish the relationship between the "distance-reflectivity" of standard coal and standard rock by the reflectivity at different distances. C (d) and S R (d), through the formula:
[0024] ρ x ( d ) = ( ∂ X ∂ A ) 2 σ A 2 + ( ∂ X ∂ d...
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