Method and apparatus for coding image information, method and apparatus for decoding image information, method and apparatus for coding and decoding image information, and system of coding and transmitting image information
US8391359B2 · kind B2 · utility
16Cited by
11References
5Claims
0Family size
Assignee
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Key dates
| Filing date | Jul 26, 2012 |
| Grant date | Mar 5, 2013 |
| Priority date | — |
| Expiry date | Jul 26, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/44
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A packetizing method for packetizing a bit stream in a packetizing apparatus. The packetizing method includes encoding, in an encoding unit in the multiplexing apparatus, a chroma component of image data using a chroma quantization parameter calculated on the basis of a luma quantization parameter weighted by an addition operation that adds a weight parameter and generating the bit stream. The method further includes packetizing, in a packetizing unit in the packetizing apparatus, the bit stream and generating a packetized stream.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.