Conversion of an image to a transparency retaining readability and clarity of detail while automatically maintaining color information of broad areas
US9288462B2 · kind B2 · utility
4Cited by
6References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 6, 2013 |
| Grant date | Mar 15, 2016 |
| Priority date | — |
| Expiry date | Jan 11, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/75
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention converts an image into a transparency, or “foreground image”, on which the readability of text and other detail is preserved after compositing with a background, while maintaining color information of broad areas of the image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.