Scalable predictive coding method and apparatus
US6731811B1 · kind B1 · utility
56Cited by
20References
13Claims
0Family size
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Key dates
| Filing date | Dec 18, 1998 |
| Grant date | May 4, 2004 |
| Priority date | — |
| Expiry date | Dec 18, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/61
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A scalable predictive coder in which the current frame of data is predicted at the enhancement-layer by processing and combining the reconstructed signal at: (i) the current base-layer (or lower layers) frame; and (ii) the previous enhancement-layer frame. The combining rule takes into account the compressed prediction error of the base-layer, and the parameters used for its compression.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.