Method of determining an image recording device characterization
US6927855B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 1, 2003 |
| Grant date | Aug 9, 2005 |
| Priority date | — |
| Expiry date | Feb 5, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/603
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method is provided of determining an image recording device characterisation for a target image. A number of component spectra are determined from a set of target spectra obtained from the target image such that the spectra can be represented by combinations of one or more of the component spectra. A perceptual color space data set is defined and combinations of the component spectra which correspond to the perceptual color space data set are determined. A device data set is generated in accordance with the determined combinations and a device spectra response, the device data set representing a set of colors which can be generated by an image recording device having the device spectral response. A characterisation is then determined by reference to the relationship between the device and perceptual color space data sets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.