Image data processing apparatus having line memory
US5646745A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 12, 1993 |
| Grant date | Jul 8, 1997 |
| Priority date | — |
| Expiry date | Jul 12, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/40
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image data processing apparatus for performing processing using data corresponding to a plurality of lines which correspond to a plurality of scanning lines at the time of reading an image. For example, when processing is performed using data corresponding to three lines, that is, the present line, a line one ahead of the present line and a line two lines ahead of the present line, a line memory having a capacity of two lines is used. When the data corresponding to the line two lines ahead of the present line are read out from the memory, the data corresponding to the present line are written to storage locations from which the data have been read out. Consequently, it is possible to perform processing using data corresponding to three lines using a line memory having a capacity for two lines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.