Reader for Unique 2D Circular Marks

The production of metal rods in Třinecke Železarny, a.s. is followed by multiple movements across the production plant mainly due to various quality controls, that are performed in different places. The products stack before each control. To increase effectivity of identifying an individual rod, a unique mark is engraved onto its cross-section. This article is devoted to developing a reader device, that can read and decode these unique marks.