Image/text filtering system and method
US5038381A · kind A · utility
19Cited by
11References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 19, 1990 |
| Grant date | Aug 6, 1991 |
| Priority date | — |
| Expiry date | Mar 19, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V30/413
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Image/text filtering apparatus and method for use in optical character recognition (OCR) scanning is disclosed. The invention filters video data representing text and image data on a document and erases the image data so that only the text data remains.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.