Method and device for transmitting variable rate video data
US8812724B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 18, 2009 |
| Grant date | Aug 19, 2014 |
| Priority date | — |
| Expiry date | Apr 7, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L65/65
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A video consisting of data organized in the form of a plurality of images is transmitted in a communication network. The method comprises a step of coding images with motion compensation, which consists in compressing the images of the video and in creating dependencies between compressed images, a step of scheduling the transmission of packets representing the compressed images, which consists in sending the compressed images over the network in a selected order, and a step of controlling the rate of the video. At least one of reconsidering the selected order of sending already compressed but not yet transmitted images and deleting at least one compressed image is performed at the time of coding a new image. Furthermore, the dependencies between the new image to be compressed and the compressed images are selected by taking into account the reconsidered sending order at the time of coding the new image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.