Method and system for analytic generation of multi-dimensional color lookup tables
US5612902A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 13, 1994 |
| Grant date | Mar 18, 1997 |
| Priority date | — |
| Expiry date | Sep 13, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/6033
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method and system for automatic characterization of a color printer are described. A relatively few number of test samples are printed and measured to create an analytic model which characterizes a printer. This analytical model, in turn, is used to generate a multidimensional lookup table which can then be used at runtime to compensate image input and create desired visual characteristics in the printed image. A detector can be incorporated into the printer which measures at least one parameter of each printed sample so that characterization can be carried out internally to the printer in a manner which is transparent to the end user. In this way, changes in paper stock, inks, or environment can be custom compensated for each printing application.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.