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Title:
TRANSFORM METHOD, INVERSE TRANSFORM METHOD, CODER, DECODER AND STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2021/000205
Kind Code:
A1
Abstract:
Provided by the embodiment of the present application are a transform method, a coder, a decoder and a computer readable storage medium. The transform method comprises: determining normal vectors of points to be coded in a point cloud to be coded; analyzing the sum total of all coordinate components of the normal vectors on the basis of the normal vectors of the points to be coded; and determining a transform sequence on the basis of the sum total of all coordinate components of the normal vectors.

Inventors:
ZHANG WEI (CN)
YANG FUZHENG (CN)
WAN SHUAI (CN)
MA YANZHUO (CN)
HUO JUNYAN (CN)
ZHANG SUJUN (CN)
Application Number:
CN2019/094105
Publication Date:
January 07, 2021
Filing Date:
June 30, 2019
Export Citation:
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Assignee:
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD (CN)
International Classes:
H04N19/60
Foreign References:
US20170347122A12017-11-30
CN109196559A2019-01-11
CN108632607A2018-10-09
US20170214943A12017-07-27
Attorney, Agent or Firm:
CHINA PAT INTELLECTUAL PROPERTY OFFICE (CN)
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