Picture processing apparatus
US5101440A · kind A · utility
34Cited by
4References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 8, 1989 |
| Grant date | Mar 31, 1992 |
| Priority date | — |
| Expiry date | Sep 8, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/20084
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A picture processing apparatus in which edges of an input picture are detected by an edge detecting circuit to form edge detection data, which then are transformed so that a histogram of the edge detection data becomes substantially flat, and in which a so-called line picture is displayed on the basis of the transformed edge detection data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.