Technique for bit-accurate film grain simulation
US8238613B2 · kind B2 · utility
2Cited by
45References
6Claims
0Family size
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Key dates
| Filing date | Oct 12, 2004 |
| Grant date | Aug 7, 2012 |
| Priority date | — |
| Expiry date | Jun 4, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/20204
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The simulation of film grain in an image makes use of parameters contained in a Supplemental Enhancement Information (SEI) message that accompanies the image upon transmission. The SEI message specifies film grain simulation parameters such as the film simulation model, the blending mode, and color space.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.