FAST MACROBLOCK DELTA QUANTISATION PARAMETER DECISION Russian patent published in 2013 - IPC H04N7/50 

Abstract RU 2498523 C2

FIELD: information technology.

SUBSTANCE: quantisation parameter for each macroblock is selected by limiting the range of all possible quantisation parameters to a particular range of possible quantisation parameter values, wherein the range is a subset of possible quantisation parameters and the range is based on the value of the predicted quantisation parameter.

EFFECT: higher video coding speed and fewer quantisation parameters which are verified for each video macroblock.

44 cl, 5 dwg

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RU 2 498 523 C2

Authors

E Jan'

Karchevich Marta

Chehn' Pehjsun

Dates

2013-11-10Published

2009-02-21Filed