Adaptive bitrate algorithm with cross-user based viewport prediction for 360-degree video streaming
US11310516B2 · kind B2 · utility
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9References
21Claims
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Key dates
| Filing date | Dec 17, 2019 |
| Grant date | Apr 19, 2022 |
| Priority date | — |
| Expiry date | Dec 17, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/4621
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In some embodiments, a method receives a probability distribution of a likelihood that a user might view one or more tiles in one or more segments of a video. The video is encoded in different profiles that are associated with different bitrates. An available bandwidth is determined. Then, the method selects a profile for each tile in a segment of the video based on the available bandwidth and the probability distribution for the tiles and sends a request for a respective profile for each tile for playback of the segment of the video.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.