Image coding/decoding apparatus
US5929912A · kind A · utility
19Cited by
6References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 24, 1996 |
| Grant date | Jul 27, 1999 |
| Priority date | — |
| Expiry date | Oct 24, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/20
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image coding/decoding apparatus offers a visually high quality image at a very low bit rate. The image is divided into images for individual regions using its shape information. Each region is made into rectangle blocks by an extrapolating process, whereby each region can be sub-band coded. Finally, multiple extrapolated images which were formed by the extrapolating process, are appropriately coded or quantized.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.