Using a smart-camera configuration with LED illumination, system tracks end-of-zip-code symbols on magazine mailing address blocks.
The modern magazine-printing business is far more complex than simply printing paper and binding it together. In addition to special inserts, belly bands, polybagged extras, and other value-added services, printers must handle renewal requests for each magazine. These requests are typically put into an envelope and glued to the front of the magazine, although the position and orientation are far from exact.
