Systems and methods of fingerprinting and identifying media contents
US9367744B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Jan 27, 2014 |
| Grant date | Jun 14, 2016 |
| Priority date | — |
| Expiry date | Aug 26, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B20/00449
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Systems and methods are provided for identifying a video object using digital fingerprints. The digital fingerprints are generated from information extracted from the video object including encoded video. The digital fingerprints can be calculated in a manner that permits identification of both the video object and operational characteristics of the video object based on matching calculated digital fingerprints with known fingerprints of known video objects. Systems and methods are described that allow a DVD to be uniquely identified and identify whether the DVD is original, copied or pirated. Systems and methods are described for computing digital fingerprints from strings of bits in which certain additional data is optionally embedded. Systems and methods are described that permit media players to access known signatures of known video objects maintained on one or more databases and to identify video objects presented for playing on the media player. In the present continuation application, the video object is extended to media content including video and audio, and DVD is extended to media file, network stream and other content mediums.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.