Image pickup devices having an image quality control function and methods of controlling an image quality in image pickup devices
US5617141A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 23, 1993 |
| Grant date | Apr 1, 1997 |
| Priority date | — |
| Expiry date | Apr 23, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/71
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image pickup device including an image pickup unit for converting an optical image of a subject to an image signal, a signal processor for producing a video signal from the image signal, an ambience determining unit for determining image pickup ambience of the subject, and a control unit for controlling image quality of the video signal output from said signal processor in accordance with a result of the determination of the ambience determining unit. The image quality control unit includes at least one of a white balance control unit, an exposure control unit, and a configuration correction/chroma signal gain control unit. The control characteristic of the image quality control unit is changed depending on the result of the determination of the ambience determining unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.