Light level management with content scan adaptive metadata
US10977779B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 8, 2019 |
| Grant date | Apr 13, 2021 |
| Priority date | — |
| Expiry date | Jan 8, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/20208
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A coded video sequence is received in a bitstream with a set of content scan adaptive metadata. It is ascertained if the set of content scan adaptive metadata is received. The set of content scan adaptive metadata includes: a maximum content light level parameter; a maximum frame average light level parameter. The maximum content light level parameter and maximum frame average light level parameter are both dependent on a scan type of the frames of the coded video sequence, the scan type being at least one of a progressive frame type, complimentary field pair type, macroblock-adaptive frame-field frame type, and individual field picture type.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.