Image regenerating apparatus having improved character resolution and pattern gradation
US5687006A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 26, 1995 |
| Grant date | Nov 11, 1997 |
| Priority date | — |
| Expiry date | Apr 26, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/40062
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In order to realize reduction of product cost without deteriorating quality of a regenerated image, there is provided by the present invention an image regenerating apparatus comprising an emphasizing unit for filtering an image for emphasis, a smoothing unit for filtering image for smoothing, an area determinator for determining a character area and a photograph area of an image, selecting said emphasizing unit for said character area and also selecting said smoothing unit for said photograph area, an image size changing unit for changing size of an image according to a set image size changing ratio, and a controller for providing control so that said area determinator executes specified selection when an image size changing ratio set by said image size changing unit is equal to or larger than a specified magnification ratio.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.