Encoding system for error diffusion dithering
US7161634B2 · kind B2 · utility
33Cited by
6References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 6, 2003 |
| Grant date | Jan 9, 2007 |
| Priority date | — |
| Expiry date | Sep 16, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G3/2059
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An error diffusion system in accordance with an embodiment of the present invention adjusts the color depth of an RGB signal using error diffusion without the using an expensive frame buffer. Specifically, a color depth adjustment unit in accordance with the present invention can perform error diffusion on an RGB signal using two error buffers, which are smaller in memory size than typical line buffers that would be used for the video stream.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.