Method for automatically detecting and evaluating color of laser beam emitting paper and quality of laser beams

Abstract

The invention relates to a method for automatically detecting and evaluating the color of a piece of laser beam emitting paper and the quality of laser beams. The method comprises the following steps: putting and fixing a piece of laser beam emitting paper to be detected on a measuring platform by adopting an automatic detection system; setting the number of measuring points and the measuring step length of a color measuring instrument in the horizontal and vertical directions on the measuring platform; controlling the displacing, positioning and measuring of the color measuring instrument in the horizontal and vertical directions automatically, and reading the color information of the measured sample in different positions; analyzing and calculating the chromatic value by using a computer to obtain the CIELAB or CIEDE2000 color difference of the measured sample in different measuring positions; drawing a color difference distribution diagram, and detecting the color uniformity and rainbow cycle of the single laser beam emitting paper and the quality of laser beams according to the periodic distribution rule and the peak distribution rule of the color difference distribution diagram. By adopting the method provided by the invention, the problems of measurement value uncertainty and human error can be solved, and automatic detection can be realized. The method is easy and convenient to operate and can be used for measuring normatively with a small error.

Description

technical field [0001] The invention relates to an automatic detection and evaluation method for the color and quality of light column laser paper, which is used for automatic detection and evaluation of the color and quality of light column laser paper. The measuring instrument and the position of the paper to be tested can be fixed by building a special laser paper measurement platform. position, to ensure the stability of the measurement conditions and the reliability of the results. Through the detection equipment and control module, the displacement of the color measuring instrument and the position of the measuring point can be controlled, and the color and quality of the light column laser paper can be calculated and judged, and the period of the light column of the light column laser paper can be identified, so as to realize the automatic measurement suitable for the color of the light column laser paper and the quality of the light column Methods of detection and eval...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problems of uncertain measurement results and human errors caused by manual measurement of laser paper, and avoid the need to determine the beam direction and vertical direction of the laser paper before measuring the color of the laser paper. Based on the chromaticity values ​​at different positions in the horizontal and vertical directions, an automatic detection and evaluation method for the color of laser paper and the quality of light beams is proposed, and the automatic measurement of the color of laser paper and the quality of light beams is realized.

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