FIELD: information technology.
SUBSTANCE: image processing device is configured to decode the encoded stream to form a decoded image; and to apply the deblocking filter to adjacent pixels adjoining to the boundary between the blocks in decoded image using a filter parameter set in accordance with a range including as the indicated filter parameter a value greater than 14 but less than 25. Filter parameter is the threshold value, used in determining the filter filteratibg strength, and the parameter for adjusting the filtering force of deblocking filter.
EFFECT: block noise suppression.
5 cl, 66 dwg
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