Determining new color values of an image based on an activity map
US9025208B2 · kind B2 · utility
1Cited by
4References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 2011 |
| Grant date | May 5, 2015 |
| Priority date | — |
| Expiry date | Sep 29, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/1279
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method comprises computing an activity map for an input image. The activity map indicates an amount of variable spatial activity in the input image. The method further comprises producing an output image based on the activity map, and controlling a printhead to cause the output image to be printed. The output image contains a plurality of color pixels and each such color pixel is represented by at least one of cyan (C), magenta (M), yellow (Y), and black (K) in a color space.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.