Natural luminance transient enhancement
US6867817B2 · kind B2 · utility
2Cited by
7References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 17, 2001 |
| Grant date | Mar 15, 2005 |
| Priority date | — |
| Expiry date | Apr 13, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/208
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for enhancing an edge transient contained in a video signal include identifying the edge transient and the edge center of the edge transient in the video signal; selecting a side of the edge transient, relative to an edge center thereof, to enhance; and adding an edge change signal to the video signal to asymmetrically enhance the selected edge transient.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.