Filtering of virtual reality images to mitigate playback transformation artifacts
US10176622B1 · kind B1 · utility
38Cited by
1References
21Claims
0Family size
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Key dates
| Filing date | Jan 24, 2017 |
| Grant date | Jan 8, 2019 |
| Priority date | — |
| Expiry date | Apr 2, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/597
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Techniques are described for low-pass filtering image data of virtual reality content before compression based on an understanding of the relationship of the image data to a cylindrical or polygonal projection space and the resulting compression of that image data when mapped to a playback projection space.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.