Image processing
US7532219B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 15, 2005 |
| Grant date | May 12, 2009 |
| Priority date | — |
| Expiry date | Nov 24, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/73
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The invention relates to a method of modifying the appearance attributes of digital images comprising: defining in a first channel of a color corrector a first set of appearance attribute corrections to be applied to the images; determining a first set of appearance attribute correction parameters corresponding to the first set of appearance attribute corrections; in the first channel of the color corrector defining at least one further set of appearance attribute corrections to be applied to the images; determining a set of appearance attribute correction parameters corresponding to the or each of the further sets of appearance attribute corrections; and combining each of the sets of appearance attribute correction parameters into a single set of appearance attribute correction parameters. The invention also relates to a method where the channel is implemented in software and to apparatus and software for carrying out the methods.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.