Tone mapping for bit-depth scalable video codec
US9338475B2 · kind B2 · utility
7Cited by
4References
27Claims
0Family size
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Key dates
| Filing date | Apr 16, 2008 |
| Grant date | May 10, 2016 |
| Priority date | — |
| Expiry date | Mar 11, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/46
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A scalable video codec may convert lower bit depth video to higher bit depth video using decoded lower bit depth video for tone mapping and tone mapping derivation. The conversion can also use the filtered lower bit depth video for tone mapping and tone mapping derivation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.