Image data compression method for applying different compression ratios to different portions of an image
US5502778A · kind A · utility
18Cited by
2References
4Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Feb 12, 1992 |
| Grant date | Mar 26, 1996 |
| Priority date | — |
| Expiry date | Feb 12, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T9/00
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An image data compression method is disclosed, in which a sheet of image is divided into a plurality of partial images of small area, and in reconstructing an image, the fidelity to the original image is changed in accordance with the utility of the information contained in each partial image, and the image data is compressed in accordance with the particular fidelity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.