Method for motion vector coding of MPEG-4
US6498810B1 · kind B1 · utility
42Cited by
6References
24Claims
0Family size
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Key dates
| Filing date | Apr 24, 1998 |
| Grant date | Dec 24, 2002 |
| Priority date | — |
| Expiry date | Apr 24, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/567
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method for motion vector coding of an MPEG-4 includes determining motion vector candidates, and selecting a candidate having a minimum bit rate among motion vector candidates in an encoder. A motion vector prediction error and prediction mode information and then to a decoder. The decoder estimates a minimum bit rate for coding a motion vector difference and codes a motion vector against components X and Y, using a minimum rate predictor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.