Secure session-based video watermarking for online media streaming
US10432991B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 19, 2017 |
| Grant date | Oct 1, 2019 |
| Priority date | — |
| Expiry date | Nov 8, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/23895
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method includes generating a first media file that includes a plurality of first media file segments, generating a second media file as a copy of the first media file, the second media file includes a plurality of second media file segments, embedding a first watermark with the plurality of first media file segments, embedding at least one second watermark with the plurality of second media file segments, generating a manifest file based on a portion of the plurality of first media file segments and a portion of the plurality of second media file segments, the manifest file including a plurality of addresses each referencing a media file segment, and encrypting each of plurality of addresses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.