Method and apparatus for changing image size
US4686580A · kind A · utility
48Cited by
3References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 6, 1984 |
| Grant date | Aug 11, 1987 |
| Priority date | — |
| Expiry date | Feb 6, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T3/4023
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image is magnified or reduced by dividing the image into divisional images, magnifying or reducing each of the divisional images and combining the magnified or reduced divisional images. The magnification or reduction of the divisional images is carried out by inserting one pixel into, or deleting one pixel from, each of the divisional images.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.