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Title:
ENTROPY ENCODING/DECODING METHODS AND APPARATUSES
Document Type and Number:
WIPO Patent Application WO/2022/258009
Kind Code:
A1
Abstract:
The present application discloses entropy encoding/decoding methods and apparatuses. The entropy encoding method in the embodiments of the present application comprises: an entropy encoding apparatus obtains degree of density information of a target point cloud to be encoded; according to the degree of density information, determines the type of a placeholder context model used by the target point cloud when performing entropy encoding; and performs entropy encoding on the target point cloud according to the type of the placeholder context model.

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Inventors:
ZHANG WEI (CN)
TIAN TENGYA (CN)
LV ZHUOYI (CN)
YANG FUZHENG (CN)
Application Number:
PCT/CN2022/097852
Publication Date:
December 15, 2022
Filing Date:
June 09, 2022
Export Citation:
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Assignee:
VIVO MOBILE COMMUNICATION CO LTD (CN)
International Classes:
H04N19/13
Domestic Patent References:
WO2021069949A12021-04-15
WO2020010444A12020-01-16
Foreign References:
US20200342250A12020-10-29
US10693492B12020-06-23
US20210133463A12021-05-06
Attorney, Agent or Firm:
DRAGON INTELLECTUAL PROPERTY LAW FIRM (CN)
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