US 11,743,470 B2
Image encoding/decoding method and recording medium for same
Sung Chang Lim, Daejeon (KR); Jung Won Kang, Daejeon (KR); Ha Hyun Lee, Seoul (KR); Dong San Jun, Daejeon (KR); Hyun Suk Ko, Daejeon (KR); Jin Ho Lee, Daejeon (KR); Seung Hyun Cho, Daejeon (KR); Hui Yong Kim, Daejeon (KR); and Jin Soo Choi, Daejeon (KR)
Assigned to Electronics and Telecommunications Research Institute, Daejeon (KR)
Filed by Electronics and Telecommunications Research Institute, Daejeon (KR)
Filed on Oct. 27, 2021, as Appl. No. 17/511,826.
Application 17/511,826 is a continuation of application No. 17/038,332, filed on Sep. 30, 2020, granted, now 11,206,407.
Application 17/038,332 is a continuation of application No. 16/099,998, granted, now 10,834,404, issued on Nov. 10, 2020, previously published as PCT/KR2017/005351, filed on May 23, 2017.
Claims priority of application No. 10-2016-0063644 (KR), filed on May 24, 2016.
Prior Publication US 2022/0053197 A1, Feb. 17, 2022
Int. Cl. H04N 19/139 (2014.01); H04N 19/117 (2014.01); H04N 19/51 (2014.01); H04N 19/105 (2014.01); H04N 19/50 (2014.01); H04N 19/52 (2014.01); H04N 19/124 (2014.01); H04N 19/91 (2014.01)
CPC H04N 19/139 (2014.11) [H04N 19/117 (2014.11); H04N 19/124 (2014.11); H04N 19/51 (2014.11); H04N 19/52 (2014.11); H04N 19/91 (2014.11)] 3 Claims
OG exemplary drawing
 
1. A method of decoding an image, the method comprising:
deriving multiple motion vectors for a current block according to an inter-prediction direction of the current block;
determining multiple prediction blocks for the current block by using the multiple motion vectors; and
obtaining a final prediction block for the current block based on a weighted sum of the multiple prediction blocks,
wherein weight of the current block for the weighted sum is derived from weight index information of the current block specifying any one of weights included in a predefined weight set,
wherein the weight index information of the current block is derived based on weight index information of a neighboring block of the current block.