Title:
ENCODING METHOD, DECODING METHOD, DECODER, ENCODER AND COMPUTER READABLE STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2024/011417
Kind Code:
A1
Abstract:
Embodiments of the present application provide an encoding method, a decoding method, a decoder, an encoder and a computer readable storage medium, capable of improving the encoding efficiency, the decoding efficiency and the compression performance, thereby improving the encoding performance and the decoding performance. The decoding method comprises: parsing a bitstream, and determining occupation indication information corresponding to a first scale point cloud; determining a second scale point cloud, performing up-sampling and division processing on the second scale point cloud, and determining m groups of up-sampled voxels, wherein the second scale point cloud is previous decoded point cloud data corresponding to the first scale point cloud, and m is an integer greater than or equal to 1; sequentially performing occupation probability prediction on the m groups of up-sampled voxels, determining m groups of occupation probabilities, decoding the occupation indication information according to the m groups of occupation probabilities, and determining m groups of respective occupation symbols; and on the basis of the m groups of occupation symbols, determining reconstructed geometric data corresponding to the first scale point cloud.
Inventors:
MA ZHAN (CN)
WANG JIANQIANG (CN)
WEI HONGLIAN (CN)
WANG JIANQIANG (CN)
WEI HONGLIAN (CN)
Application Number:
PCT/CN2022/105253
Publication Date:
January 18, 2024
Filing Date:
July 12, 2022
Export Citation:
Assignee:
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD (CN)
International Classes:
H04N19/52; H04N19/42
Foreign References:
| CN113613010A | 2021-11-05 | |||
| CN113766228A | 2021-12-07 | |||
| CN113473127A | 2021-10-01 | |||
| US20190394496A1 | 2019-12-26 |
Attorney, Agent or Firm:
CHINA PAT INTELLECTUAL PROPERTY OFFICE (CN)
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