US 12,155,819 B2
Method, device, and recording medium for encoding/decoding image using reference picture
Gun Bang, Daejeon (KR); Woong Lim, Daejeon (KR); and Hui-Yong Kim, Daejeon (KR)
Assigned to ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daejeon (KR)
Appl. No. 17/620,563
Filed by Electronics and Telecommunications Research Institute, Daejeon (KR)
PCT Filed Jun. 19, 2020, PCT No. PCT/KR2020/008010
§ 371(c)(1), (2) Date Dec. 17, 2021,
PCT Pub. No. WO2020/256495, PCT Pub. Date Dec. 24, 2020.
Claims priority of application No. 10-2019-0073132 (KR), filed on Jun. 19, 2019; and application No. 10-2020-0074948 (KR), filed on Jun. 19, 2020.
Prior Publication US 2022/0272321 A1, Aug. 25, 2022
Int. Cl. H04N 19/105 (2014.01); H04N 19/174 (2014.01); H04N 19/176 (2014.01); H04N 19/46 (2014.01)
CPC H04N 19/105 (2014.11) [H04N 19/174 (2014.11); H04N 19/176 (2014.11); H04N 19/46 (2014.11)] 17 Claims
OG exemplary drawing
 
1. A video decoding method, comprising:
determining a target sub-picture of a target picture; and
performing decoding on the target picture comprising the target sub-picture, wherein a size of the target sub-picture is determined in units of a Coding Tree Unit (CTU),
the target picture comprises a plurality of sub-pictures comprising the target sub-picture,
a size of each of the plurality of sub-pictures is determined in units of a CTU, and
a reference picture marking for the plurality of sub-pictures is performed after parsing a slice header of a last sub-picture of the plurality of sub-pictures.