US 6,542,927 · Granted 2003-04-01
Linking of computers based on steganographically embedded digital data
A printed object, such as an item of postal mail, a book, printed advertising, a business card, product packaging, etc., is steganographically encoded with plural-bit data. When such an object is presented to an optical sensor, the plural-bit data is decoded and used to establish a link to an internet address corresponding to that object.
Patent details
- Publication number
- US 6,542,927
- Filing date
- 2001-06-29
- Grant date
- 2003-04-01
- Assignee
- Digimarc Corporation
- Inventor(s)
- RHOADS GEOFFREY B.
- CPC class
- G06K19/06037
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