Sub-band coding of images with low computational complexity
US4829378A · kind A · utility
104Cited by
2References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 9, 1988 |
| Grant date | May 9, 1989 |
| Priority date | — |
| Expiry date | Jun 9, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H17/0266
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A class of filters for use in connection with the sub-band coding of a video signal is disclosed. The filters are of short length, symmetric and have coefficients in the form of an integer divided by a power of two. The filters may be implemented with a minimum of circuitry and permit exact reconstruction of a sub-band coded video signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.