FIELD: computer equipment.
SUBSTANCE: invention relates to the computer equipment. Image decoding method for decoding plurality of subsets of conversion unit using Golomb-Rice decoding, which comprises determining initial value for Golomb-Rice decoding of target subset of conversion unit from information associated with previously decoded residual values for previous subset of conversion unit; and decoding said target subset using certain initial value as initial Rice parameter for Golomb-Rice decoding.
EFFECT: technical result consists in increasing coding efficiency due to initial determination of Rice parameter estimate.
14 cl, 21 dwg
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