METHOD AND EQUIPMENT FOR EXTERNAL PREDICTION Russian patent published in 2023 - IPC H04N19/52 

FIELD: video encoding and decoding.

SUBSTANCE: result is achieved by creating a list of candidates for merging the current image block; adding motion information of history-based motion vector predictor (HMVP) candidates to the merge candidate list in case the amount of motion information of candidates in the merge candidate list is less than the maximum number of candidates in the merge candidate list minus N, where N is a positive integer; getting a merge index of the current image block; obtaining motion information of the current image block based on the merge candidate list and the merge index; and determining a predicted block of the current image block based on the motion information of the current image block.

EFFECT: increasing the accuracy of predicting motion information of an image block, which increases performance of encoding and decoding.

11 cl, 12 dwg, 1 tbl