Data processing method and apparatus, communication node and storage medium

Patent metadata

Field	Value
Publication number	US-12475642-B2
Application number	US-202118255992-A
Country	US
Kind code	B2
Filing date	Nov 2, 2021
Priority date	Dec 4, 2020
Publication date	Nov 18, 2025
Grant date	Nov 18, 2025

Abstract

Provided are a data processing method and apparatus, a communication node, and a storage medium. The data processing method includes determining multi-frame combined point cloud information; writing the multi-frame combined point cloud information into media streams of combined point cloud data; and sending, according to the multi-frame combined point cloud information, the media streams of the combined point cloud data to a receiving end separately.

First claim

What is claimed is:

1 . A data processing method, comprising:
determining multi-frame combined point cloud information; writing the multi-frame combined point cloud information into media streams of combined point cloud data; and sending, according to the multi-frame combined point cloud information, the media streams of the combined point cloud data to a receiving end separately; wherein the multi-frame combined point cloud information comprises one of the following parameters: a combined point cloud data transmission manner; and a combined point cloud data consumption manner; wherein the combined point cloud data transmission manner comprises one of the following: preferentially transmitting geometric information after a combination, and then transmitting attribute information after the combination; simultaneously transmitting geometric information after a combination and attribute information after the combination; preferentially transmitting frame index information and geometric information after a combination, and then transmitting non-frame index attribute information after the combination; preferentially transmitting geometric information after a combination and non-frame index attribute information after the combination, and then transmitting frame index information; or transmitting geometric information after a combination, non-frame index attribute information after the combination, and frame index information in sequence; and wherein the combined point cloud data consumption manner comprises one of the following: preferentially consuming geometric information after a combination; preferentially consuming non-frame index attribute information after a combination; preferentially consuming geometric information after a combination and non-frame index attribute information after the combination; preferentially consuming frame index information and geometric information after a combination; or preferentially consuming frame index information.

2 . The method of claim 1 , further comprising:
storing, according to the multi-frame combined point cloud information, the combined point cloud data as a media file separately.

3 . The method of claim 2 , wherein writing the multi-frame combined point cloud information into the media streams of the combined point cloud data comprises one of the following:
writing the multi-frame combined point cloud information into track information in a media file; writing the multi-frame combined point cloud information into supplemental enhancement information of the combined point cloud data; or writing the multi-frame combined point cloud information into video usability information of the combined point cloud data.

4 . The method of claim 1 , wherein determining the multi-frame combined point cloud information comprises one of the following:
determining, according to preset configuration information, the multi-frame combined point cloud information; determining, according to receiving end request information, the multi-frame combined point cloud information after a connection is established with at least one of a current channel or the receiving end; determining, according to current channel information, the multi-frame combined point cloud information after a connection is established with at least one of a current channel or the receiving end; determining, according to receiving end attribute information, the multi-frame combined point cloud information after a connection is established with at least one of a current channel or the receiving end; or determining, according to current channel information and attribute information of the receiving end, the multi-frame combined point cloud information after a connection is established with at least one of a current channel or the receiving end.

5 . The method of claim 4 , wherein writing the multi-frame combined point cloud information into the media streams of the combined point cloud data comprises one of the following:
writing the multi-frame combined point cloud information into track information in a media file; writing the multi-frame combined point cloud information into supplemental enhancement information of the combined point cloud data; or writing the multi-frame combined point cloud information into video usability information of the combined point cloud data.

6 . The method of claim 1 , wherein components of the combined point cloud data comprise: geometric information after a combination and attribute information after the combination; wherein the attribute information after the combination comprises frame index information and non-frame index attribute information after the combination.

7 . The method of claim 1 , wherein correspondence between the multi-frame combined point cloud information and the combined point cloud data comprises one of the following:
one piece of the combined point cloud data corresponding to the multi-frame combined point cloud information; each component in the combined point cloud data corresponding to the multi-frame combined point cloud information separately; or one piece of the combined point cloud data corresponding to at least one parameter in the multi-frame combined point cloud information, and each component of the combined point cloud data corresponding to at least one parameter in the multi-frame combined point cloud information separately.

8 . The method of claim 1 , wherein writing the multi-frame combined point cloud information into the media streams of the combined point cloud data comprises one of the following:
writing the multi-frame combined point cloud information into track information in a media file; writing the multi-frame combined point cloud information into supplemental enhancement information of the combined point cloud data; or writing the multi-frame combined point cloud information into video usability information of the combined point cloud data.

9 . A data processing method, comprising:
parsing media streams of combined point cloud data to obtain multi-frame combined point cloud information; and processing, according to the multi-frame combined point cloud information, the combined point cloud data separately; wherein the multi-frame combined point cloud information comprises one of the following parameters: a combined point cloud data transmission manner; and a combined point cloud data consumption manner; wherein the combined point cloud data transmission manner comprises one of the following: preferentially transmitting geometric information after a combination, and then transmitting attribute information after the combination; simultaneously transmitting geometric information after a combination and attribute information after the combination; preferentially transmitting frame index information and geometric information after a combination, and then transmitting non-frame index attribute information after the combination; preferentially transmitting geometric information after a combination and non-frame index attribute information after the combination, and then transmitting frame index information; or transmitting geometric information after a combination, non-frame index attribute information after the combination, and frame index information in sequence; and wherein the combined point cloud data consumption manner comprises one of the following: preferentially consuming geometric information after a combination; preferentially consuming non-frame index attribute information after a combination; preferentially consuming geometric information after a combination and non-frame index attribute information after the combination; preferentially consuming frame index information and geometric information after a combination; or pre

Assignees

• Zte Corp
• Univ Shanghai Jiaotong

Inventors

• Xu Yiling
• Hou Lizhi
• Guan Yunfeng
• Sun Jun
• Wu Zhao
• Li Qiuting
• Wu Ping

Classifications

• H04N19/597

  specially adapted for multi-view video sequence encoding · CPC title

• G06T9/001

  Model-based coding, e.g. wire frame · CPC title

• H04L65/75 Primary

  Media network packet handling · CPC title

• H04L65/70 Primary

  Media network packetisation · CPC title

• G06T17/00 Primary

  Three-dimensional [3D] modelling for computer graphics · CPC title