Image reduction apparatus
US5345517A · kind A · utility
26Cited by
11References
37Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 8, 1992 |
| Grant date | Sep 6, 1994 |
| Priority date | — |
| Expiry date | Jun 8, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/4105
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image reduction apparatus includes a smoothing unit for smoothing binary image data, a binarization unit for binarizing an output from the smoothing unit, a detection unit for detecting an attribute of the binary image data smoothed by the smoothing unit, a plurality of correction units corresponding to a plurality of attributes, and a selector for selecting one of the correction units in accordance with the attribute detected by the detection unit. An output from the binarization unit is corrected by the correction unit selected by the selector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.