Correcting image distortion caused by scanning
US7630581B2 · kind B2 · utility
7Cited by
4References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 29, 2005 |
| Grant date | Dec 8, 2009 |
| Priority date | — |
| Expiry date | Sep 20, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/0434
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An apparatus, system, method, computer program and product are disclosed, each capable of correcting distortion in a scanned image, using at least a character line extracted from the scanned image. To extract the character line, a circumscribed rectangle is formed for each character, having a length determined based on an average character size of the scanned image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.