US 12,192,479 B2
Picture encoding method, picture decoding method, encoder, decoder and storage medium
Shuai Wan, Guangdong (CN); Junyan Huo, Guangdong (CN); Yanzhuo Ma, Guangdong (CN); Fuzheng Yang, Guangdong (CN); Jinkun Guo, Guangdong (CN); and Haixin Wang, Guangdong (CN)
Assigned to GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD., Guangdong (CN)
Filed by GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD., Guangdong (CN)
Filed on Jul. 22, 2021, as Appl. No. 17/382,932.
Application 17/382,932 is a continuation of application No. 17/211,636, filed on Mar. 24, 2021, granted, now 11,146,798.
Application 17/211,636 is a continuation of application No. PCT/CN2019/092689, filed on Jun. 25, 2019.
Prior Publication US 2021/0352298 A1, Nov. 11, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. H04N 19/159 (2014.01); G06F 5/01 (2006.01); H04N 19/172 (2014.01); H04N 19/184 (2014.01)
CPC H04N 19/159 (2014.11) [G06F 5/01 (2013.01); H04N 19/172 (2014.11); H04N 19/184 (2014.11)] 14 Claims
OG exemplary drawing
 
1. A picture coding method, applied to an encoder and comprising:
determining a mode parameter of a current block; and
in response to a determination that the mode parameter indicates that a prediction value of the current block is determined according to a matrix-based intra prediction (MIP) mode, performing prediction on the current block according to the MIP mode based on an initial right shift parameter, wherein the initial right shift parameter is a uniform offset parameter, and the offset parameter indicates a number of right shifting bits of the prediction value, wherein the offset parameter is set to be 6.