公开(公告)号：US12175715B2

公开(公告)日：2024-12-24

申请号：US17127329

申请日：2020-12-18

Applicant: Huawei Technologies Co., Ltd.

Inventor： Vladyslav Zakharchenko ,  Birendra Kathariya ,  Jianle Chen

IPC: G06T9/40 ,  H04N19/184

Abstract: An apparatus comprises a processor configured to obtain a point cloud, make a choice between octree encoding or quadtree encoding of a parent node, and encode the parent node into a bitstream based on the choice; and a transmitter coupled to the processor and configured to transmit the bitstream. An apparatus comprises a receiver configured to receive a bitstream; and a processor coupled to the receiver and configured to parse from the bitstream a first parameter indicating a depth of PCC, decode first nodes before the depth using octree decoding, parse from the bitstream a second parameter indicating a node coding mode for second nodes at and after the depth, and decode the second nodes based on the second parameter.

公开(公告)号：US20210104077A1

公开(公告)日：2021-04-08

申请号：US17127329

申请日：2020-12-18

Applicant: Huawei Technologies Co., Ltd.

Inventor： Vladyslav Zakharchenko ,  Birendra Kathariya ,  Jianle Chen

IPC: G06T9/40 ,  H04N19/184

Abstract: An apparatus comprises a processor configured to obtain a point cloud, make a choice between octree encoding or quadtree encoding of a parent node, and encode the parent node into a bitstream based on the choice; and a transmitter coupled to the processor and configured to transmit the bitstream. An apparatus comprises a receiver configured to receive a bitstream; and a processor coupled to the receiver and configured to parse from the bitstream a first parameter indicating a depth of PCC, decode first nodes before the depth using octree decoding, parse from the bitstream a second parameter indicating a node coding mode for second nodes at and after the depth, and decode the second nodes based on the second parameter.