US 7,113,614 · Granted 2006-09-26
Embedding auxiliary signals with multiple components into media signals
A digital watermark system embeds auxiliary signals in multimedia types, including audio, still and moving images, and physical objects. These auxiliary signals, referred to as digital watermarks, include multiple components that can perform differing functions and that are embedded with different levels of redundancy, potentially within different transform domains of the host signal.
Patent details
- Publication number
- US 7,113,614
- Filing date
- 2002-09-17
- Grant date
- 2006-09-26
- Assignee
- Digimarc Corporation
- Inventor(s)
- RHOADS GEOFFREY B.
- CPC class
- G06K7/1417
Want to file your own patent?
Run your idea through our free scanner — we’ll show you which existing patents are conceptually closest, including this one if it’s a match.
Free patentability scan