Compression and de-compression of column-interlaced, row-interlaced graylevel digital images
US4870695A · kind A · utility
26Cited by
9References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 13, 1988 |
| Grant date | Sep 26, 1989 |
| Priority date | — |
| Expiry date | Dec 13, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/50
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In an image in which some pixels in some rows of an image have values associated therewith, apparatus and method of processing, for subsequent entropy coding or decoding, graylevel data for the remaining pixels in the image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.