公开(公告)号：US12120328B2

公开(公告)日：2024-10-15

申请号：US17855472

申请日：2022-06-30

Applicant: LG ELECTRONICS INC.

Inventor： Hendry Hendry ,  Jong Yeul Suh ,  Jin Won Lee ,  Seung Hwan Kim

IPC: H04N19/31 ,  H04N19/132 ,  H04N19/136 ,  H04N19/597 ,  H04N19/70

CPC classification number: H04N19/31 ,  H04N19/132 ,  H04N19/136 ,  H04N19/597

Abstract: A transmission device of point cloud data and method performed by the transmission device, and a reception device and a method performed by the reception device are provided. A method performed by a reception device of point cloud data comprises acquiring geometry-based point cloud compression (G-PCC) file including the point cloud data, wherein the G-PCC file includes information on a sample group in which samples in the G-PCC file are grouped based on one or more temporal levels and wherein the G-PCC file further includes information on the temporal levels, and extracting one or more samples belonging to a target temporal level from the samples in the G-PCC file based on the information on the sample group and the information on the temporal levels.

公开(公告)号：US20230014844A1

公开(公告)日：2023-01-19

申请号：US17855472

申请日：2022-06-30

Applicant: LG ELECTRONICS INC.

Inventor： Hendry HENDRY ,  Jong Yeul Suh ,  Jin Won Lee ,  Seung Hwan Kim

IPC: H04N19/31 ,  H04N19/132 ,  H04N19/136 ,  H04N19/597

Abstract: A transmission device of point cloud data and method performed by the transmission device, and a reception device and a method performed by the reception device are provided. A method performed by a reception device of point cloud data comprises acquiring geometry-based point cloud compression(G-PCC) file including the point cloud data, wherein the G-PCC file includes information on a sample group in which samples in the G-PCC file are grouped based on one or more temporal levels and wherein the G-PCC file further includes information on the temporal levels, and extracting one or more samples belonging to a target temporal level from the samples in the G-PCC file based on the information on the sample group and the information on the temporal levels.