US 12,225,241 B2
Intra prediction method and decoder for geometric-based point cloud coding
Shuai Wan, Guangdong (CN); Fuzheng Yang, Guangdong (CN); Lei Wei, Guangdong (CN); and Zhecheng 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. 5, 2022, as Appl. No. 17/810,791.
Application 17/810,791 is a continuation of application No. PCT/CN2020/070556, filed on Jan. 6, 2020.
Prior Publication US 2022/0337884 A1, Oct. 20, 2022
Int. Cl. H04N 19/96 (2014.01); H04N 19/105 (2014.01); H04N 19/159 (2014.01); H04N 19/169 (2014.01)
CPC H04N 19/96 (2014.11) [H04N 19/105 (2014.11); H04N 19/159 (2014.11); H04N 19/1883 (2014.11)] 20 Claims
OG exemplary drawing
 
1. An intra prediction method, for an encoder and comprising:
determining coordinate information of a current node and a current level corresponding to the current node;
determining a current quantity of current neighbour nodes used in intra prediction on the current node based on the current level, wherein the current quantity is positively correlated with the current level, and the current neighbour nodes belongs to neighbour nodes of a parent node of the current node;
determining the current neighbour nodes based on the coordinate information of the current node; and
performing intra prediction on the current node based on the coordinate information of the current node and the current neighbour nodes.