Creating details in an image with frequency lifting
US9305332B2 · kind B2 · utility
2Cited by
46References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 14, 2014 |
| Grant date | Apr 5, 2016 |
| Priority date | — |
| Expiry date | May 13, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/625
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Input image information is received. Enhancement information is determined based on frequency characteristics of the input image information. The enhancement information is mixed with the input image information to generate an enhanced image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.