? method of creating quality grade discrimination criteria in an apparent quality grade discrimination device of granular material?

摘要

A method for creating quality grade discrimination criteria in a discrimination device that determines degree of appearance quality of granular materials according to the present invention includes a granular material placement step for sorting granular materials on a grade basis. quality by quality grade and placing the granular materials on an image capture surface of the image capture unit, a step of image acquisition image capture of the granular materials placed on the image capture surface by the capture unit and image data acquisition, a step of acquiring quality grade rating information to obtain, on a quality grade basis, pieces of quality grade information in the respective granular materials based on the image data; and a step in creating quality grade discrimination criteria from creating quality grade discrimination criteria using quality grade information obtained on a grade by quality basis.