Apparatus and method for encoding wavelet trees by backward predictive coding of wavelet transformed coefficients
US6236758A · kind A · utility
68Cited by
14References
18Claims
0Family size
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Key dates
| Filing date | Oct 22, 1999 |
| Grant date | May 22, 2001 |
| Priority date | — |
| Expiry date | Oct 22, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/63
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An apparatus and a concomitant method is disclosed for encoding wavelet trees in a wavelet-based coding technique using backward predictive coding of wavelet transformed coefficients, which addresses both balanced and unbalanced wavelet trees and increases the overall coding efficiency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.