Method of coding a matrix, in particular a matrix representative of a fixed or video image
US9628806B2 · kind B2 · utility
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3References
18Claims
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Key dates
| Filing date | Oct 7, 2013 |
| Grant date | Apr 18, 2017 |
| Priority date | — |
| Expiry date | Oct 7, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/65
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Method of differential compression of the values of a matrix, in which the reference cell is chosen in such a way that the difference between the initial value, contained in a cell to be compressed, and the decompressed value of the reference cell is a minimum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.