VIDEO ENCODER, VIDEO DECODER AND CORRESPONDING METHOD Russian patent published in 2024 - IPC H04N19/51 H04N19/577 H04N19/159 

FIELD: physics.

SUBSTANCE: invention relates to video encoding means. When a plurality of given conditions are met for the current image block, processing based on a bidirectional optical flow of the current image block to obtain a predicted sample value of the current image block. Plurality of predetermined conditions comprises that: information predFlagL0 for indicating the prediction direction corresponding to the first list (List1) is equal to 1, and information predFlagL1 for indicating the direction of prediction corresponding to the second list (list0) is equal to 1, wherein predFlagL0 and predFlagL1, each equal to 1, indicates that bidirectional prediction is applied to the current image block; MotionModelIdc is equal to 0, where MotionModelIdc equal to 0 indicates that the motion model for compensating for the movement of the current image block is translational motion; merge_subblock_flag included in the syntax element is equal to 0, where merge_subblock_flag equal to 0 indicates that the subblock merging mode is not used for the current image block.

EFFECT: high efficiency of video encoding.

23 cl, 15 dwg