Utilizing a contrived dither matrix to enhance the compressibility of raster images
US6026196A · kind A · utility
12Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 15, 1997 |
| Grant date | Feb 15, 2000 |
| Priority date | — |
| Expiry date | Oct 15, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T9/00
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention reduces the amount of data sent to a printer from a printer driver. Data reduction is achieved by using a dither matrix that is designed to produce compressible images, then using a lossless compression scheme that matches the dither matrix.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.