Barcode location determination
US4948955A · kind A · utility
95Cited by
1References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 1988 |
| Grant date | Aug 14, 1990 |
| Priority date | — |
| Expiry date | Dec 22, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K7/14
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method of determining the location of a barcode block comprising the steps of reducing an input image, rejecting background clutter, detecting barcode regions, extracting barcode moment-based features, and determining four corner points of said barcode block. This method of determining the location of a barcode block can be implemented in a single PC card and achieve a throughput of more than 16 documents per second.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.