System and method for performing dithering with a graphics unit having an oversampling buffer
US6154195A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 14, 1998 |
| Grant date | Nov 28, 2000 |
| Priority date | — |
| Expiry date | May 14, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G3/2051
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A dither unit preferably comprises an offset generator, an adjusted coordinate generator and a dither matrix. The offset generator is coupled to receive information about the relative position of the sub-sample being dithered, and in response generates offset values. The output of the offset generator along with the pixel coordinates are provided to the adjusted coordinate generator which generates adjusted coordinate values used by the dither matrix. The adjusted coordinate values along with a color value are received by the dither matrix, which in response, generates a dithered value for the sub-sample that can be stored back in the over sampling buffer for additional computation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.