Scalable encoding apparatus and method with improved function of scaling motion vector
US6018368A · kind A · utility
54Cited by
8References
19Claims
0Family size
Assignee
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Key dates
| Filing date | Dec 29, 1997 |
| Grant date | Jan 25, 2000 |
| Priority date | — |
| Expiry date | Dec 29, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/61
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A scalable encoding apparatus and method accurately performs motion vector scaling in interframe coding so that an optimal weight having the best S/N ratio is applied, eliminating the drift effect on the image and enabling good video recovery.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.