FIELD: physics, computer engineering.
SUBSTANCE: invention relates to a method of modelling video signal coding information for compressing coding information or decompressing compressed scalable video codec (SVC) information. The technical result is achieved by obtaining a first index variable based on context-based index offset for image block coding information on a first layer; obtaining a second index variable using context-based index offset and the first index variable; and determining the initial function value for probabilistic coding based on the second index variable, wherein the first index variable is obtained based on coding information indicating correlation between the first layer and the second layer.
EFFECT: modelling coding information, having correlation between a plurality of layers in order to increase the data compression ratio.
12 cl, 5 dwg
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