Figure pre-processing device
US4115760A · kind A · utility
4Cited by
5References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 12, 1977 |
| Grant date | Sep 19, 1978 |
| Priority date | — |
| Expiry date | May 12, 1997 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V30/10
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The figure reducers of a figure pre-processing device are connected in series. A plurality of previously determined deletion judging patterns are classified into a plurality of groups and the picture signal pattern is compared with the previously determined judging patterns wherein the point focused on is excluded from a group in accordance with patterns rotated a predetermined angle around a point on a figure to be scanned. The classified groups are supplied to the series-connected figure reducers as a deletion judging pattern for deleting a point in each of the figure reducers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.