Process and device for digitising a document
US8164797B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 14, 2007 |
| Grant date | Apr 24, 2012 |
| Priority date | — |
| Expiry date | Dec 17, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/04787
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The invention relates to a process for digitizing document in which the document (4) is feed driven in front of a sensor (2) by a drive mechanism (3) comprising a plurality of elements (31-36) which come into contact with the document (4) while it is fed, wherein the sensor (2) is capable of generating digital data from an image on the document (4), wherein the process comprises steps consisting of: —detecting when the contact is established or broken between the document (4) and one of the elements (32), —correcting the digital data by applying to the data a distortion correction function which takes into account the position of the sensor (2) with respect to the image when the detection takes place.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.