Method for inserting watermark assistance data in a bitstream and bitstream comprising the watermark assistance data
US8462982B2 · kind B2 · utility
10Cited by
6References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 20, 2010 |
| Grant date | Jun 11, 2013 |
| Priority date | — |
| Expiry date | Feb 23, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/70
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The invention relates to a method for inserting watermark assistance data in a bitstream of coded data comprising the step of inserting, in the bitstream, identification data identifying coded data to be substituted and, for each coded data to be substituted, at least one substitution data. The method further comprises a step of inserting in the bitstream a format data defining a manner of substituting the coded data to be substituted by the substitution data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.