Device for image processing, method of adjusting white-balance, and computer products
US6947080B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 29, 2001 |
| Grant date | Sep 20, 2005 |
| Priority date | — |
| Expiry date | Feb 7, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/88
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The controller calculates white-detection parameters that form the narrowest range with the highest luminance under a condition that the accumulated values of the respective colors are not reduced to “0”, sets the resulting parameter in the white-detection circuit, and based upon the accumulated values of the respective colors that are output when the white-detection parameters that form the narrowest range with the highest luminance under the condition that the accumulated values of the respective colors are not reduced to “0” have been preset in the white-detection circuit, calculates the gains of R and B of the white-balance adjusting circuit, and sets the resulting gains in the white-balance adjusting circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.