Robust document boundary determination
US7554698B2 · kind B2 · utility
1Cited by
27References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 30, 2001 |
| Grant date | Jun 30, 2009 |
| Priority date | — |
| Expiry date | Apr 13, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/10
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present application discloses a system for determining document boundaries inc1uding an image sensor, a backing opposed to the sensor, and an image processor. The image processor analyzes candidate edges imaged from a document between the sensor and the backing. The image processor determines which candidate edges are document boundaries.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.