US 11,743,481 B2
Method and apparatus for processing video signal
Bae Keun Lee, Seoul (KR)
Assigned to KT CORPORATION, Gyeonggi-do (KR)
Filed by KT CORPORATION, Gyeonggi-do (KR)
Filed on Jun. 7, 2022, as Appl. No. 17/834,381.
Application 17/834,381 is a division of application No. 17/200,157, filed on Mar. 12, 2021, granted, now 11,394,988.
Application 17/200,157 is a division of application No. 16/314,774, granted, now 10,986,358, issued on Apr. 20, 2021, previously published as PCT/KR2017/006976, filed on Jun. 30, 2017.
Claims priority of application No. 10-2016-0085014 (KR), filed on Jul. 5, 2016.
Prior Publication US 2022/0303569 A1, Sep. 22, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H04N 19/51 (2014.01); H04N 19/176 (2014.01); H04N 19/91 (2014.01); H04N 19/119 (2014.01); H04N 19/70 (2014.01); H04N 19/107 (2014.01); H04N 19/50 (2014.01); H04N 19/105 (2014.01)
CPC H04N 19/51 (2014.11) [H04N 19/105 (2014.11); H04N 19/107 (2014.11); H04N 19/119 (2014.11); H04N 19/176 (2014.11); H04N 19/50 (2014.11); H04N 19/70 (2014.11); H04N 19/91 (2014.11)] 5 Claims
OG exemplary drawing
 
1. A method of decoding a video, the method comprising:
obtaining a first prediction block of a current block using an L0 reference picture of the current block;
obtaining a second prediction block of the current block using an L1 reference picture of the current block;
obtaining a bi-predicted block of the current block based on a weighted sum operation of the first prediction block and the second prediction block; and
reconstructing the current block based on the bi-predicted block,
wherein if a size of the current block satisfies a pre-defined condition, a first weight applied to the first prediction block and a second weight the second prediction block are determined to be the same,
wherein if the size of the current block does not satisfy the pre-defined condition, the first weight and the second weight are determined based on index information specifying one among a plurality of weight candidates, and
wherein a number of the weight candidates is varied depending on temporal directions of the L0 reference picture and the L1 reference picture.