FIELD: data processing.
SUBSTANCE: invention relates to encoding and decoding video. Video encoding method, which performs deblocking filtering based on the coding units, comprises determining a filtering boundary based on the data units of the coding units, prediction units and conversion units, respectively, for the prediction and conversion of the coding units. Coding units are hierarchically configured in accordance with the depths indicating the number of times that the maximum coding unit is spatially split. Filtering strength at the filtering boundary is determined based on the prediction mode of the coding unit to which the adjacent pixels belong, based on the filtering boundary, and the pixel conversion coefficient values adjacent to the filtering boundary. Unblocking filtration is performed on the basis of the determined filtering strength.
EFFECT: technical result is to improved quality of compressed and reconstructed video by removing the deblocking effect from the compressed and reconstructed video based on the coding unit of a tree structure.
3 cl, 27 dwg, 1 tbl
