Granted Patent B2

US 12,475,642 · App. 18/255,992 · Granted Nov 18, 2025

Inventors: Yiling Xu (Shanghai, CN); Lizhi Hou (Shanghai, CN); Yunfeng Guan (Shanghai, CN); Jun Sun (Shanghai, CN); Zhao Wu (Shenzhen, CN); Qiuting Li (Shenzhen, CN); Ping Wu (Shenzhen, CN)

Assignee: ZTE CORPORATION

G06T17/00

Abstract

Claims (59)

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 preferentially consuming frame index information.

10 . The method of claim 9 , wherein before parsing the media streams of the combined point cloud data to obtain the multi-frame combined point cloud information, the method further comprises:

receiving the media streams of the combined point cloud data sent by a sending end.

11 . The method of claim 9 , wherein before parsing the media streams of the combined point cloud data to obtain the multi-frame combined point cloud information, the method further comprises:

reading a locally pre-stored media file of the combined point cloud data.

12 . A data processing apparatus, comprising:

a determination module configured to determine multi-frame combined point cloud information;

a writer configured to write the multi-frame combined point cloud information into media streams of combined point cloud data; and

a sender configured to send, 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.

13 . A communication node, comprising a communication module, a memory, and at least one processor;

wherein the communication module is configured to communicate between two communication nodes;

wherein the memory is configured to store at least one program; and

wherein when executed by the at least one processor, the at least one program causes the at least one processor to implement the method of claim 1 .

14 . A non-transitory storage medium storing a computer program which, when executed by a processor, implements the method of claim 1 .

15 . A communication node, comprising a communication module, a memory, and at least one processor;

wherein the communication module is configured to communicate between two communication nodes;

wherein the memory is configured to store at least one program; and

wherein when executed by the at least one processor, the at least one program causes the at least one processor to implement the method of claim 9 .

16 . A non-transitory storage medium storing a computer program which, when executed by a processor, implements the method of claim 9 .

Assignments (1)

Priority Claims (1)

Continuity (1)

References Cited (10)