CN114885617A - 点云编码和解码方法、装置及计算机可读存储介质 - Google Patents

点云编码和解码方法、装置及计算机可读存储介质 Download PDF

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Publication number
CN114885617A
CN114885617A CN202080081330.1A CN202080081330A CN114885617A CN 114885617 A CN114885617 A CN 114885617A CN 202080081330 A CN202080081330 A CN 202080081330A CN 114885617 A CN114885617 A CN 114885617A
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陈嘉枫
虞露
李璞
郑萧桢
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Zhejiang University ZJU
SZ DJI Technology Co Ltd
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Zhejiang University ZJU
SZ DJI Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96—Tree coding, e.g. quad-tree coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

一种点云编码方法，包括：将第一节点划分为多个子节点(202)，所述第一节点是对点云进行树状划分得到的任一包含有点云点的非叶节点；利用所述多个子节点的几何坐标确定所述多个子节点对应的希尔伯特序(204)；根据所述希尔伯特序对所述多个子节点的占用信息进行排列，得到所述第一节点对应的空间占用码(206)，其中，所述占用信息用于指示所述子节点是否包含有点云点；对所述空间占用码进行编码(208)。该方法解决了在对点云进行属性编解码之前需要对几何编解码后重建的点云点进行重排序的技术问题。

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PCT国内申请，说明书已公开。

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  1. PCT国内申请，权利要求书已公开。
CN202080081330.1A 2020-12-07 2020-12-07 点云编码和解码方法、装置及计算机可读存储介质 Pending CN114885617A (zh)

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PCT/CN2020/134355 WO2022120542A1 (zh) 2020-12-07 2020-12-07 点云编码和解码方法、装置及计算机可读存储介质

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CN114885617A true CN114885617A (zh) 2022-08-09

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024148598A1 (zh) * 2023-01-13 2024-07-18 Oppo广东移动通信有限公司 编解码方法、编码器、解码器以及存储介质

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024074123A1 (en) * 2022-10-04 2024-04-11 Douyin Vision Co., Ltd. Method, apparatus, and medium for point cloud coding

Family Cites Families (3)

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CN103617162B (zh) * 2013-10-14 2016-09-07 南京邮电大学 一种对等云平台上构建希尔伯特r树索引的方法
EP3429211A1 (en) * 2017-07-13 2019-01-16 Thomson Licensing A method and apparatus for encoding/decoding the colors of a colored point cloud whose geometry is represented by an octree-based structure
WO2020123469A1 (en) * 2018-12-11 2020-06-18 Futurewei Technologies, Inc. Hierarchical tree attribute coding by median points in point cloud coding

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024148598A1 (zh) * 2023-01-13 2024-07-18 Oppo广东移动通信有限公司 编解码方法、编码器、解码器以及存储介质

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