Method for filtering, transmitting and receiving scalable video streams, and corresponding programs, server, intermediate node and terminal
US8743950B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 18, 2006 |
| Grant date | Jun 3, 2014 |
| Priority date | — |
| Expiry date | Nov 14, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/64792
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method is provided for filtering a scalable video stream, organized in the form of data unit blocks, each of which comprises a base data unit and a set of data units distributed according to two types of enhancement data, corresponding respectively to time and/or space and/or quality characteristics and making it possible to define several quality levels. The method defines at least two distinct filtering profiles, or paths of each block data units, wherein each path defines a row of successive foldover positions and each foldover position uses at least by one less data units than a previous position, and selects one of the paths according to a predetermined criterion, taking into account the type of content of the stream and/or at least one information item representing the capacities of a terminal receiving the stream.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.