Entropy coding with adaptive syntax to replace high probability symbols with lower probabilities symbols
US6677868B2 · kind B2 · utility
73Cited by
20References
16Claims
0Family size
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Key dates
| Filing date | Dec 12, 2001 |
| Grant date | Jan 13, 2004 |
| Priority date | — |
| Expiry date | Dec 12, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/91
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The compression efficiency of variable length coding is preserved by altering the syntax of a bit stream input to a variable length coder if the bit stream is likely to include a symbol with a high occurrence probability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.