Chroma supression features
US8498332B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 21, 2006 |
| Grant date | Jul 30, 2013 |
| Priority date | — |
| Expiry date | Apr 5, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/646
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Apparatus are provided including an image signal carrier, a luminance information evaluator, and a chrominance information modifier. The image signal carrier is encoded with an image signal including luminance information and chrominance information. The luminance information evaluator evaluates the luminance information in the image signal for a given region within the image to identify when the given region is one of substantially white and substantially dark. The chrominance information modifier is provided to modify the chrominance information corresponding to the given region when the given region is one of substantially white and substantially dark.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.