Natural color matching in a video editing system
US6847373B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 16, 1999 |
| Grant date | Jan 25, 2005 |
| Priority date | — |
| Expiry date | Apr 16, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B27/034
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Colors in an image that are selected as a source color can be matched to a selected destination color such that the modification to the image appears natural. Components of a selected destination color having a first luminance and components of a source color having a second luminance are received. A ratio of the second luminance to the first luminance is determined. The product of this ratio and the components of the selected destination color are determined. Values of components of pixels in the image are adjusted according to this determined product. From one perspective, the pixels take on the hue of the destination color, the luminance of the source color and a saturation that depends on the relationship between the source color and destination colors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.