CN112385238A - 一种数据编码、数据解码方法、设备及存储介质 - Google Patents

一种数据编码、数据解码方法、设备及存储介质 Download PDF

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CN112385238A
CN112385238A CN201980039768.0A CN201980039768A CN112385238A CN 112385238 A CN112385238 A CN 112385238A CN 201980039768 A CN201980039768 A CN 201980039768A CN 112385238 A CN112385238 A CN 112385238A
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point cloud
point
attribute value
value
residual error
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CN112385238B (zh
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郑萧桢
李璞
陈嘉枫
王文义
虞露
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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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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/004—Predictors, e.g. intraframe, interframe coding

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
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  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

一种数据编码、数据解码方法、设备及存储介质，其中，该方法包括：确定点云数据的语法元素的取值，所述点云数据包括点云的属性值，所述语法元素用于指示所述点云的属性值在进行预测编码时的搜索范围(S301)；根据所述搜索范围对所述点云的属性值进行预测处理，得到所述点云的属性值的残差，对所述点云的属性值的残差以及所述语法元素的取值与固定数值的差值进行编码，生成码流数据，其中，所述固定数值为正数(S302)。通过这种方式可以降低编码、解码的算法复杂度，提高编码、解码的效率。

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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。
CN201980039768.0A 2019-07-10 2019-07-10 一种数据编码、数据解码方法、设备及存储介质 Active CN112385238B (zh)

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Cited By (4)

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CN113766229A (zh) * 2021-09-30 2021-12-07 咪咕文化科技有限公司 一种编码方法、解码方法、装置、设备及可读存储介质
WO2022247705A1 (zh) * 2021-05-26 2022-12-01 荣耀终端有限公司 一种点云属性信息的预测编解码方法及装置
WO2023051534A1 (en) * 2021-09-29 2023-04-06 Beijing Bytedance Network Technology Co., Ltd. Method, apparatus and medium for point cloud coding
WO2023093865A1 (en) * 2021-11-26 2023-06-01 Beijing Bytedance Network Technology Co., Ltd. Method, apparatus, and medium for point cloud coding

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CN112995662B (zh) * 2021-03-12 2022-10-25 北京大学深圳研究生院 一种点云的属性熵编码和熵解码的方法及设备
CN117321991A (zh) * 2021-06-11 2023-12-29 Oppo广东移动通信有限公司 点云属性的预测方法、装置及编解码器
CN115484462A (zh) * 2021-06-15 2022-12-16 中兴通讯股份有限公司 一种数据处理方法、装置、电子设备和存储介质
CN117581549A (zh) * 2021-08-23 2024-02-20 Oppo广东移动通信有限公司 帧内预测、编解码方法及装置、编解码器、设备、介质

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CN103136535A (zh) * 2011-11-29 2013-06-05 南京理工大学常熟研究院有限公司 一种用于点云简化的k近邻搜索方法
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CN109166160B (zh) * 2018-09-17 2022-07-01 华侨大学 一种采用图形预测的三维点云压缩方法
US11284091B2 (en) * 2019-03-25 2022-03-22 Apple Inc. Video based point cloud compression-patch alignment and size determination in bounding box
CN109889840B (zh) * 2019-03-20 2022-11-22 北京大学深圳研究生院 点云编码和解码的方法、编码设备和解码设备

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CN103136535A (zh) * 2011-11-29 2013-06-05 南京理工大学常熟研究院有限公司 一种用于点云简化的k近邻搜索方法
US20190081638A1 (en) * 2017-09-14 2019-03-14 Apple Inc. Hierarchical point cloud compression
US20190116357A1 (en) * 2017-10-12 2019-04-18 Mitsubishi Electric Research Laboratories, Inc. System and method for Inter-Frame Predictive Compression for Point Clouds
CN108833927A (zh) * 2018-05-03 2018-11-16 北京大学深圳研究生院 一种基于删除量化矩阵中0元素的点云属性压缩方法
CN109257604A (zh) * 2018-11-20 2019-01-22 山东大学 一种基于tmc3点云编码器的颜色属性编码方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022247705A1 (zh) * 2021-05-26 2022-12-01 荣耀终端有限公司 一种点云属性信息的预测编解码方法及装置
WO2023051534A1 (en) * 2021-09-29 2023-04-06 Beijing Bytedance Network Technology Co., Ltd. Method, apparatus and medium for point cloud coding
CN113766229A (zh) * 2021-09-30 2021-12-07 咪咕文化科技有限公司 一种编码方法、解码方法、装置、设备及可读存储介质
WO2023051783A1 (zh) * 2021-09-30 2023-04-06 咪咕文化科技有限公司 一种编码方法、解码方法、装置、设备及可读存储介质
WO2023093865A1 (en) * 2021-11-26 2023-06-01 Beijing Bytedance Network Technology Co., Ltd. Method, apparatus, and medium for point cloud coding

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WO2021003726A1 (zh) 2021-01-14
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