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CN114793484A - 点云编码方法、点云解码方法、装置及存储介质 - Google Patents

点云编码方法、点云解码方法、装置及存储介质 Download PDF

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Publication number
CN114793484A
CN114793484A CN202080081334.XA CN202080081334A CN114793484A CN 114793484 A CN114793484 A CN 114793484A CN 202080081334 A CN202080081334 A CN 202080081334A CN 114793484 A CN114793484 A CN 114793484A
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China
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current point
points
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CN202080081334.XA
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English (en)
Inventor
虞露
王文义
陈嘉枫
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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Publication of CN114793484A publication Critical patent/CN114793484A/zh
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124Quantisation

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

Abstract

本申请公开了一种点云编码方法,包括:根据多个点云点的几何坐标获取所述多个点云点的对应的希尔伯特码;根据所述希尔伯特码对所述多个点云点排序得到希尔伯特序;根据所述希尔伯特序依次对所述点云点进行属性编码,其中,在对当前点进行属性编码时,根据所述希尔伯特序上所述当前点之前的点云点确定所述当前点对应的参考点,根据所述参考点的属性值对所述当前点的属性值进行预测编码。本申请公开的方法,基于希尔伯特序对点云点进行属性编解码,由于希尔伯特序具有良好的空间近邻特性,因此可以提高对当前点的属性值的预测准确度,提高压缩性能。

Description

PCT国内申请,说明书已公开。

Claims (92)

  1. PCT国内申请,权利要求书已公开。
CN202080081334.XA 2020-11-24 2020-11-24 点云编码方法、点云解码方法、装置及存储介质 Pending CN114793484A (zh)

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Cited By (5)

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CN115396645A (zh) * 2022-08-18 2022-11-25 腾讯科技(深圳)有限公司 一种沉浸媒体的数据处理方法、装置、设备及存储介质
CN115687953A (zh) * 2022-11-08 2023-02-03 中国民用航空总局第二研究所 一种基于希尔伯特编码的目标聚类方法、介质及设备
CN115688004A (zh) * 2022-11-08 2023-02-03 中国民用航空总局第二研究所 一种基于希尔伯特编码的目标属性确定方法、介质及设备
WO2024103304A1 (zh) * 2022-11-16 2024-05-23 Oppo广东移动通信有限公司 点云编解码方法、编码器、解码器、码流及存储介质
WO2024168613A1 (zh) * 2023-02-15 2024-08-22 Oppo广东移动通信有限公司 解码方法、编码方法、解码器以及编码器

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* Cited by examiner, † Cited by third party
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WO2024212114A1 (zh) * 2023-04-11 2024-10-17 Oppo广东移动通信有限公司 点云编解码方法、装置、设备及存储介质

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CN109299184A (zh) * 2018-07-31 2019-02-01 武汉大学 一种近地空间三维点云统一编码可视化方法
CN111405281A (zh) * 2020-03-30 2020-07-10 北京大学深圳研究生院 一种点云属性信息的编码方法、解码方法、存储介质及终端设备
WO2020220249A1 (zh) * 2019-04-30 2020-11-05 深圳市大疆创新科技有限公司 一种数据编码、数据解码方法、设备及存储介质

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US10911787B2 (en) * 2018-07-10 2021-02-02 Apple Inc. Hierarchical point cloud compression
WO2020248187A1 (zh) * 2019-06-13 2020-12-17 深圳市大疆创新科技有限公司 一种点云编码方法、点云解码方法及相关设备
CN111145090B (zh) * 2019-11-29 2023-04-25 鹏城实验室 一种点云属性编码方法、解码方法、编码设备及解码设备

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140198182A1 (en) * 2011-09-29 2014-07-17 Dolby Laboratories Licensing Corporation Representation and Coding of Multi-View Images Using Tapestry Encoding
US20180081995A1 (en) * 2016-09-16 2018-03-22 Oracle International Corporation System and method providing a scalable and efficient space filling curve approach to point cloud feature generation
WO2018094141A1 (en) * 2016-11-17 2018-05-24 Google Llc Point cloud data compression using a space-filling curve
CN109299184A (zh) * 2018-07-31 2019-02-01 武汉大学 一种近地空间三维点云统一编码可视化方法
WO2020220249A1 (zh) * 2019-04-30 2020-11-05 深圳市大疆创新科技有限公司 一种数据编码、数据解码方法、设备及存储介质
CN111405281A (zh) * 2020-03-30 2020-07-10 北京大学深圳研究生院 一种点云属性信息的编码方法、解码方法、存储介质及终端设备

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115396645A (zh) * 2022-08-18 2022-11-25 腾讯科技(深圳)有限公司 一种沉浸媒体的数据处理方法、装置、设备及存储介质
WO2024037137A1 (zh) * 2022-08-18 2024-02-22 腾讯科技(深圳)有限公司 一种沉浸媒体的数据处理方法、装置、设备、介质和产品
CN115396645B (zh) * 2022-08-18 2024-04-19 腾讯科技(深圳)有限公司 一种沉浸媒体的数据处理方法、装置、设备及存储介质
CN115687953A (zh) * 2022-11-08 2023-02-03 中国民用航空总局第二研究所 一种基于希尔伯特编码的目标聚类方法、介质及设备
CN115688004A (zh) * 2022-11-08 2023-02-03 中国民用航空总局第二研究所 一种基于希尔伯特编码的目标属性确定方法、介质及设备
CN115688004B (zh) * 2022-11-08 2023-09-29 中国民用航空总局第二研究所 一种基于希尔伯特编码的目标属性确定方法、介质及设备
CN115687953B (zh) * 2022-11-08 2024-03-01 中国民用航空总局第二研究所 一种基于希尔伯特编码的目标聚类方法、介质及设备
WO2024103304A1 (zh) * 2022-11-16 2024-05-23 Oppo广东移动通信有限公司 点云编解码方法、编码器、解码器、码流及存储介质
WO2024168613A1 (zh) * 2023-02-15 2024-08-22 Oppo广东移动通信有限公司 解码方法、编码方法、解码器以及编码器

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