Patent ID: 11902511
Assignee: LG ELECTRONICS INC.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 14:
15. A non-transitory computer readable storage medium storing a bitstream generated by a method, wherein the method comprising:
determining a prediction mode for a current block as a symmetric motion vector differences (SMVD);
deriving reference picture lists including L0 and L1 for the current block;
deriving picture order count (POC) differences between each of reference pictures and a current picture, for each of the L0 and the L1;
deriving motion information including a reference picture index for each of the L0 and the L1 based on the POC differences;
deriving predicted samples of the current block based on the motion information;
generating prediction mode information related to the SMVD;
deriving residual samples of the current block based on the predicted samples;
generating residual information related to the residual samples; and
encoding image information including the prediction mode information and the residual information to output the bitstream,
wherein the reference picture index for the L0 is derived based on a short-term reference picture included in the L0, and
wherein the reference picture index for the L1 is derived based on a short-term reference picture included in the L1.