Method and system to combine a digital graphics object and a digital picture
US7145573B2 · kind B2 · utility
2Cited by
2References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 30, 2004 |
| Grant date | Dec 5, 2006 |
| Priority date | — |
| Expiry date | Apr 30, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2340/12
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Combining a graphics object with a picture where only the luminance value of a graphics object pixel is written to a corresponding picture pixel if the chrominance values of the graphics object pixel indicate transparency and yet the luminance value indicates non-transparency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.