Comparing documents using a trusted source
US9922247B2 · kind B2 · utility
5Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 2, 2015 |
| Grant date | Mar 20, 2018 |
| Priority date | — |
| Expiry date | May 7, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V30/418
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Systems and methods for enhancing and comparing documents. An example method comprises: comparing document images to identify a first document image of a reference document that corresponds with a second document image of a related document; transforming the second document image based on a layout of the first document image; and performing character recognition of the second document image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.