Toner-based noise reduction in electrostatography
US7755802B2 · kind B2 · utility
5Cited by
19References
21Claims
0Family size
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Key dates
| Filing date | Aug 24, 2007 |
| Grant date | Jul 13, 2010 |
| Priority date | — |
| Expiry date | Oct 27, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/409
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In the method, a digital image is received. A granularity model is constructed of each of the toner stations. A noise table is produced. The noise table is based on the granularity models and is adaptive to the content of the digital image. Noise is reduced in the digital image using the noise table. The digital image is divided into a plurality of color records, each corresponding to a respective toner station. The color records of the noise reduced digital image are printed using respective toner stations. Each granularity model defines a toner applied by the respective toner station.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.