Apparatus and method for detecting secure document
US7945100B2 · kind B2 · utility
0Cited by
9References
27Claims
0Family size
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Key dates
| Filing date | Jun 7, 2006 |
| Grant date | May 17, 2011 |
| Priority date | — |
| Expiry date | Nov 22, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/00875
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An apparatus and method for detecting a secure document is provided. The apparatus includes an image input unit which receives the image of a document; an edge image detecting unit which detects an edge image of the document having a predetermined size; a similarity checking unit which checks the similarity between the detected edge image and comparative edge images of secure documents which are previously stored; and a document attribute determining unit which determines whether the document is one of the secure documents according to the result of the similarity checking unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.