Insertion of messages in digital data
US7254830B2 · kind B2 · utility
1Cited by
1References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 23, 2001 |
| Grant date | Aug 7, 2007 |
| Priority date | — |
| Expiry date | Mar 14, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/327
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The invention proposes a method of inserting a message in a subset (VO) of digital data representing physical quantities, characterized in that it includes the steps of: The invention applies particularly to an object in a digital image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.