This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article.
OCR began as a field of research in artificial intelligence and machine vision.
The first use of OCR in Europe was by the British Post Office.
OCR systems read the name and address of the addressee at the first mechanized sorting center, and print a routing bar code on the envelope based on the postal code.