Image coding and decoding device
US4933761A · kind A · utility
44Cited by
9References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 27, 1988 |
| Grant date | Jun 12, 1990 |
| Priority date | — |
| Expiry date | Apr 27, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/152
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In an image coding and decoding device, input digital image signals are divided into blocks of prescribed size, and coding processing is performed on differential signals taken between the input block signal and interframe forcasting signals thereby enabling efficient transmission to be performed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.