Luma and chroma reshaping of HDR video encoding
US10757428B2 · kind B2 · utility
2Cited by
1References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 10, 2018 |
| Grant date | Aug 25, 2020 |
| Priority date | — |
| Expiry date | Oct 10, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/85
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Systems and methods are disclosed for reshaping HDR video content to improve compression efficiency while using standard encoding/decoding techniques. Input HDR video frames, e.g., represented in an IPT color space, may be reshaped before the encoding/decoding process and the corresponding reconstructed HDR video frames may then be reverse reshaped. The disclosed reshaping methods may be combinations of scene-based or segment-based methods.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.