FIELD: measuring equipment.
SUBSTANCE: colour image of a sample of shungite raw material is formed to obtain three two-dimensional arrays of integers in the RGB colour space, each of which contains information on the spatial distribution in the image of one of the three colours - red, green and blue. Then, each of the three RGB arrays is colour-corrected, converts the RGB arrays to the HLS colour space, and constructs a histogram L of the HLS colour space. The parameters of the obtained histogram L of the HLS colour space are determined by the quality parameters of the shungite raw material.
EFFECT: acceleration of the evaluation process.
4 dwg
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