Title:
POINT CLOUD DATA TRANSMISSION DEVICE, POINT CLOUD DATA TRANSMISSION METHOD, POINT CLOUD DATA RECEPTION DEVICE, AND POINT CLOUD DATA RECEPTION METHOD
Document Type and Number:
WIPO Patent Application WO/2023/068754
Kind Code:
A1
Abstract:
A point cloud data transmission method according to embodiments comprises the steps of: encoding geometry data of point cloud data; encoding attribute data of the point cloud data on the basis of the geometry data; and transmitting the encoded geometry data, the encoded attribute data, and signaling data, wherein the step of encoding the geometry data may comprise the steps of: converting coordinates of the geometry data from a first coordinate system to a second coordinate system; and compressing the geometry data by performing prediction between neighboring frames on the second coordinate system.
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Inventors:
OH HYUNMOOK (KR)
Application Number:
PCT/KR2022/015855
Publication Date:
April 27, 2023
Filing Date:
October 18, 2022
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
G01S17/894; G01S7/481; G01S7/497; G01S17/931; G06T9/40
Domestic Patent References:
| WO2020189982A1 | 2020-09-24 |
Foreign References:
| KR20210116336A | 2021-09-27 | |||
| KR20200037442A | 2020-04-08 | |||
| KR20200026196A | 2020-03-10 | |||
| KR20190082065A | 2019-07-09 |
Attorney, Agent or Firm:
KBK & ASSOCIATES (KR)
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