US 12,256,099 B2
Point cloud sequence encoding/decoding method and apparatus based on two-dimensional regularized plane projection
Fuzheng Yang, Shenzhen (CN); and Wei Zhang, Shenzhen (CN)
Assigned to HONOR DEVICE CO., LTD., Shenzhen (CN)
Appl. No. 18/252,052
Filed by Honor Device Co., Ltd., Shenzhen (CN)
PCT Filed Feb. 7, 2022, PCT No. PCT/CN2022/075412
§ 371(c)(1), (2) Date May 8, 2023,
PCT Pub. No. WO2022/166969, PCT Pub. Date Aug. 11, 2022.
Claims priority of application No. 202110171904.0 (CN), filed on Feb. 8, 2021.
Prior Publication US 2023/0412841 A1, Dec. 21, 2023
Int. Cl. H04N 19/597 (2014.01); H04N 19/172 (2014.01); H04N 19/517 (2014.01)
CPC H04N 19/597 (2014.11) [H04N 19/172 (2014.11); H04N 19/517 (2014.11)] 20 Claims
OG exemplary drawing
 
1. A method, comprising:
acquiring reference-frame point cloud data and current-frame point cloud data;
performing two-dimensional regularized plane projection on the reference-frame point cloud data to obtain a first two-dimensional projection plane structure;
performing two-dimensional regularized plane projection on the current-frame point cloud data to obtain a second two-dimensional projection plane structure;
performing motion compensation and encoding on one or more pieces of first two-dimensional graphic information obtained based on the first two-dimensional projection plane structure and one or more pieces of second two-dimensional graphic information obtained based on the second two-dimensional projection plane structure to obtain bit stream information of the current-frame point cloud data, wherein the first two-dimensional graphic information comprises a first geometric information graph and the second two-dimensional graphic information comprises a second geometric information graph; and
repeating the foregoing steps to encode a plurality of frames of a point cloud sequence.