Image-based document indexing and retrieval
US7475061B2 · kind B2 · utility
42Cited by
24References
41Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 15, 2004 |
| Grant date | Jan 6, 2009 |
| Priority date | — |
| Expiry date | Jun 6, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/99936
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A system that facilitates document retrieval and/or indexing is provided. A component receives an image of a document, and a search component searches data store(s) for a match to the document image. The match is performed over word-level topological properties of images of documents stored in the data store(s).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.