Image reduction system
US4412252A · kind A · utility
31Cited by
14References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 1, 1981 |
| Grant date | Oct 25, 1983 |
| Priority date | — |
| Expiry date | Jun 1, 2001 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/411
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A system is provided for reducing the total information contained in an image in order to reduce the size of the image. In an image comprising a number of lines, each line including a plurality of dots, first reduction means deletes data representing a predetermined proportion of dots spaced at regular intervals along each line, during the storage of said data in a storage device comprising part of the system. Second reduction means deletes data representing a predetermined proportion of the total lines of the image during the output of the data representing the lines from the storage device of the system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.