Image enhancement
US4691366A · kind A · utility
44Cited by
5References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 7, 1984 |
| Grant date | Sep 1, 1987 |
| Priority date | — |
| Expiry date | Nov 7, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/20192
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Image enhancement accomplished by filtering using filters optimally adjusted to system parameters to enhance long edges, attenuate noise and "points" so that the long-edge data normally buried in noise is available and to further enable using low-frequency data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.