Transformation of an input image to produce an output image
US7312898B2 · kind B2 · utility
1Cited by
9References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 2002 |
| Grant date | Dec 25, 2007 |
| Priority date | — |
| Expiry date | Aug 16, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/41
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An input image is transformed to produce an output image. First pixels occurring at edges within the input image are detected. Second pixels that are part of text within the input image are also detected. The first pixels and the second pixels are combined to produce the output image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.