Method, apparatus and stream of formatting an immersive video for legacy and immersive rendering devices
US10523980B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 9, 2017 |
| Grant date | Dec 31, 2019 |
| Priority date | — |
| Expiry date | May 9, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/70
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present disclosure relates to methods, apparatus or systems for generating, transmitting and decoding a backward compatible immersive video stream. The stream is carrying data representative of an immersive video, composed of a frame organized according to a layout having a first area encoded according to a rectangle mapping, a second area encoded according to a mapping transitory from the rectangular mapping to an immersive mapping and a third area encoded according to the immersive mapping. In order to be backward compatible, the stream further includes first information representative of the size and the location of the first area within the video frame, and second information having at least the type of the selected layout, the field of view of first part, of the size of the second area within the video frame and a reference direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.