Image processing apparatus, printing apparatus, and image processing method
US8616668B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 13, 2010 |
| Grant date | Dec 31, 2013 |
| Priority date | — |
| Expiry date | Jun 18, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/6038
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Provided are an image processing apparatus and an image processing method capable of reducing color unevenness due to variations in ejection characteristics among a plurality of nozzles when printing an image using a plurality of inks. To that end, a first image which is made up a color with noticeable color unevenness and similar colors is printed onto a print medium. The user then specifies a color and a nozzle position where color unevenness has occurred. On the basis of these results, parameters are set for a correction table referenced by are MCS processor. In so doing, it becomes possible to address the factor causing the color unevenness, and mitigate the effects of color unevenness in a focused way without incurring increases in processor load, memory requirements, or processing time as compared to the case of calibrating all lattice points.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.