US 11,729,393 B2
Matrix-based intra prediction device and method
Mehdi Salehifar, Seoul (KR); and Seunghwan Kim, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Filed by LG ELECTRONICS INC., Seoul (KR)
Filed on Aug. 17, 2022, as Appl. No. 17/889,911.
Application 17/889,911 is a continuation of application No. 17/526,940, filed on Nov. 15, 2021, granted, now 11,457,221.
Application 17/526,940 is a continuation of application No. PCT/KR2020/007215, filed on Jun. 3, 2020.
Claims priority of provisional application 62/856,718, filed on Jun. 3, 2019.
Prior Publication US 2022/0400267 A1, Dec. 15, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H04N 19/132 (2014.01); H04N 19/105 (2014.01); H04N 19/159 (2014.01); H04N 19/176 (2014.01)
CPC H04N 19/132 (2014.11) [H04N 19/105 (2014.11); H04N 19/159 (2014.11); H04N 19/176 (2014.11)] 9 Claims
OG exemplary drawing
 
1. An image decoding method performed by a decoding apparatus, the method comprising:
receiving information on residual;
receiving flag information related to whether matrix-based intra prediction (MIP) is used for a current block;
receiving MIP mode information based on the flag information;
generating intra prediction samples for the current block based on the MIP mode information;
deriving residual samples based on the information on the residual; and
generating reconstructed samples for the current block based on the intra prediction samples and the residual samples,
wherein the MIP mode information is index information related to an MIP matrix applied to the current block,
wherein the MIP matrix is derived based on a size of the current block and the index information, and
wherein the intra prediction samples is generated based on the MIP matrix.