US 12,439,043 B2
Method, device, and recording medium storing bit stream, for encoding/decoding image
Yong Jo Ahn, Seoul (KR); and Ho Chan Ryu, Seoul (KR)
Assigned to DIGITALINSIGHTS INC., Seoul (KR)
Filed by DIGITALINSIGHTS INC., Seoul (KR)
Filed on Oct. 23, 2023, as Appl. No. 18/492,704.
Application 18/492,704 is a continuation of application No. 17/584,153, filed on Jan. 25, 2022, granted, now 11,831,870.
Application 17/584,153 is a continuation of application No. 17/353,607, filed on Jun. 21, 2021, granted, now 11,265,543, issued on Mar. 1, 2022.
Application 17/353,607 is a continuation of application No. 16/754,602, granted, now 11,159,793, issued on Oct. 26, 2021, previously published as PCT/KR2018/012175, filed on Oct. 16, 2018.
Claims priority of application No. 10-2017-0134202 (KR), filed on Oct. 16, 2017.
Prior Publication US 2024/0187586 A1, Jun. 6, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. H04N 19/119 (2014.01); H04N 19/139 (2014.01); H04N 19/176 (2014.01); H04N 19/96 (2014.01)
CPC H04N 19/119 (2014.11) [H04N 19/139 (2014.11); H04N 19/176 (2014.11); H04N 19/96 (2014.11)] 10 Claims
OG exemplary drawing
 
1. A method for decoding an image, the method comprising:
dividing, based on tree-based block partition, a higher coding block in the image into a plurality of coding blocks;
dividing, based on geometric motion partition, a current block into a first partition and a second partition, the current block being one of the plurality of the coding blocks;
obtaining a first prediction block of the current block based on motion information of the first partition;
obtaining a second prediction block of the current block based on motion information of the second partition;
obtaining a final prediction block of the current block by performing a weighted sum of the first prediction block and the second prediction block; and
reconstructing the current block based on the final prediction block,
wherein the geometric motion partition is performed based on division information indicating a direction of a division line dividing the current block,
wherein a shape of at least one of the first partition and the second partition is triangular, and
wherein the geometric motion partition is applied to the current block only when the current block does not perform sub-block-based inter prediction.