Method and device for coding compressing video information
US4053930A · kind A · utility
6Cited by
2References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 28, 1973 |
| Grant date | Oct 11, 1977 |
| Priority date | — |
| Expiry date | Dec 28, 1993 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/419
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method and device for compressing run-length codes by inserting discrimination bits which discriminate the run-length codes of black elementary areas from those of white elementary areas, where said discrimination bits are weighted as in the case of the bits of the run-length codes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.