Image processing method and apparatus, storage medium and program
US6814420B2 · kind B2 · utility
18Cited by
3References
53Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 26, 2002 |
| Grant date | Nov 9, 2004 |
| Priority date | — |
| Expiry date | Sep 26, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/6075
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Main actual color is reproduced unsatisfactory in some cases according to prior art. An image processing method is provided in which the component values of hue, saturation and lightness of an image represented by image data are independently changed. The hue change amount is made different at each hue angle, the saturation change amount is made different for each hue angle and each saturation value, and the lightness change amount is made different at each hue angle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.