METHOD FOR CREATING GRADE DISCRIMINATION STANDARD IN GRANULAR OBJECT APPEARANCE GRADE DISCRIMINATION DEVICE

摘要

This method for creating a grade discrimination standard in a granular object appearance grade discrimination device is provided with: a granular object mounting step for classifying a plurality of granular objects according to grades and mounting the granular objects on an image capture surface of an image capturing means; a captured image data acquisition step for capturing images of the granular objects mounted on the image capture surface by the image capturing means and acquiring captured image data; a grade information acquisition step for acquiring grade information of the granular objects according to the grades on the basis of the captured image data; and a grade discrimination standard creation step for creating a grade discrimination standard using the grade information acquired according to the grades.