Method and apparatus for the detection of digital watermarks for instant credential authentication
US9495605B2 · kind B2 · utility
1Cited by
3References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 26, 2013 |
| Grant date | Nov 15, 2016 |
| Priority date | — |
| Expiry date | Nov 11, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07D7/128
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A portable hand-held device for use in authenticating documents includes a camera for capturing images from the document to be authenticated as well as on-board computer-implemented instructions to capture and analyze Digitally Watermarked images and output an indication as to whether the document is authentic or not authentic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.