Patent ID: 11875206
Assignee: DIGIMARC CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A checkout system including:
one or more cameras, each having an output to provide frames of image data;
at least first and second different 2D code detectors coupled to receive frames of image data from the one or more cameras, each of said 2D code detectors having an output to provide an output payload including a global trade item number, the first of said 2D code detectors comprising a digital watermark detector;
the system further including at least one of:
(A) a promotion means, for zero padding global trade item number strings as needed so that each of said strings has a predetermined length; and
(B) an AI prepending means, for prepending “01” to global trade item number strings that do not already begin with “01.”