method and device for inspection of value or sicherheitsgegenstu00e4nden, in particular banknotes

摘要

A method of controlling printed items, in particular banknotes, involving two printing stages, the method including the steps of acquiring (17) a controlled-item image; acquiring (20) from the controlled-item image a deviation value between images printed in the two printing stages; acquiring (23) a specimen-item image having the aforementioned deviation value; and comparing (24) the controlled-item image with the specimen-item image; the specimen-item image being selected from a number of images memorized beforehand in a specimen image memory. IMAGE