CN114930823A - 帧内预测方法、装置、编码器、解码器、及存储介质 - Google Patents

帧内预测方法、装置、编码器、解码器、及存储介质 Download PDF

Info

Publication number
CN114930823A
CN114930823A CN202080092122.1A CN202080092122A CN114930823A CN 114930823 A CN114930823 A CN 114930823A CN 202080092122 A CN202080092122 A CN 202080092122A CN 114930823 A CN114930823 A CN 114930823A
Authority
CN
China
Prior art keywords
current node
intra
prediction
information
occupation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202080092122.1A
Other languages
English (en)
Inventor
万帅
杨付正
王哲诚
魏磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to CN202310244899.0A priority Critical patent/CN116320487A/zh
Publication of CN114930823A publication Critical patent/CN114930823A/zh
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/597—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/40—Tree coding, e.g. quadtree, octree
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods 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
    • H04N19/124—Quantisation
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/167—Position within a video image, e.g. region of interest [ROI]
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/184—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being bits, e.g. of the compressed video stream
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

本申请实施例提供了一种帧内预测方法、装置、编码器、解码器及存储介质，该方法包括：确定对输入点云进行划分后得到的当前层级小于目标层级时，获得当前节点的第一数量个邻居节点的占位信息；从第一数量个邻居节点的占位信息中，提取第二数量个邻居节点的占位信息；其中，第一数量大于第二数量，且第二数量个邻居节点与当前节点的子节点之间具有关联关系；基于第二数量个邻居节点的占位信息，对当前节点的子节点的占位信息进行帧内预测，得到第一预测结果。

Description

PCT国内申请，说明书已公开。

Claims (22)

  1. PCT国内申请，权利要求书已公开。
CN202080092122.1A 2020-01-06 2020-01-06 帧内预测方法、装置、编码器、解码器、及存储介质 Pending CN114930823A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310244899.0A CN116320487A (zh) 2020-01-06 2020-01-06 帧内预测方法、装置、编码器、解码器、及存储介质

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/070557 WO2021138788A1 (zh) 2020-01-06 2020-01-06 帧内预测方法、装置、编码器、解码器、及存储介质

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN202310244899.0A Division CN116320487A (zh) 2020-01-06 2020-01-06 帧内预测方法、装置、编码器、解码器、及存储介质

Publications (1)

Publication Number Publication Date
CN114930823A true CN114930823A (zh) 2022-08-19

Family

ID=76787438

Family Applications (2)

Application Number Title Priority Date Filing Date
CN202310244899.0A Pending CN116320487A (zh) 2020-01-06 2020-01-06 帧内预测方法、装置、编码器、解码器、及存储介质
CN202080092122.1A Pending CN114930823A (zh) 2020-01-06 2020-01-06 帧内预测方法、装置、编码器、解码器、及存储介质

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN202310244899.0A Pending CN116320487A (zh) 2020-01-06 2020-01-06 帧内预测方法、装置、编码器、解码器、及存储介质

Country Status (6)

Country Link
US (1) US11936850B2 (zh)
EP (1) EP4090019A4 (zh)
JP (1) JP2023514034A (zh)
KR (1) KR20220123258A (zh)
CN (2) CN116320487A (zh)
WO (1) WO2021138788A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023514034A (ja) 2020-01-06 2023-04-05 オッポ広東移動通信有限公司 イントラ予測方法、装置、エンコーダ、デコーダ及び記憶媒体
CN116320488A (zh) * 2020-03-24 2023-06-23 Oppo广东移动通信有限公司 帧内预测方法、装置、编码器、解码器、及存储介质

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3467778A1 (en) * 2017-10-06 2019-04-10 Thomson Licensing A method and apparatus for encoding/decoding the geometry of a point cloud representing a 3d object
EP3474233A1 (en) * 2017-10-19 2019-04-24 Thomson Licensing A method and apparatus for encoding/decoding the geometry of a point cloud representing a 3d object
EP3937132A1 (en) 2018-04-09 2022-01-12 BlackBerry Limited Methods and devices for binary entropy coding of point clouds
CN108632607B (zh) 2018-05-09 2019-06-21 北京大学深圳研究生院 一种基于多角度自适应帧内预测的点云属性压缩方法
AU2019285351A1 (en) 2018-06-15 2021-01-07 Panasonic Intellectual Property Corporation Of America Three-dimensional data encoding method, three-dimensional data decoding method, three-dimensional data encoding device, and three-dimensional data decoding device
JP7322020B2 (ja) * 2018-06-27 2023-08-07 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 三次元データ符号化方法、三次元データ復号方法、三次元データ符号化装置、及び三次元データ復号装置
EP3595180B1 (en) * 2018-07-10 2021-12-08 BlackBerry Limited Methods and devices for neighbourhood-based occupancy prediction in point cloud compression
EP3595181B1 (en) * 2018-07-11 2023-09-06 BlackBerry Limited Predictor-copy coding mode for coding of point clouds
US20220159312A1 (en) 2019-03-20 2022-05-19 Lg Electronics Inc. Point cloud data transmission device, point cloud data transmission method, point cloud data reception device, and point cloud data reception method
WO2020190090A1 (ko) 2019-03-20 2020-09-24 엘지전자 주식회사 포인트 클라우드 데이터 전송 장치, 포인트 클라우드 데이터 전송 방법, 포인트 클라우드 데이터 수신 장치 및 포인트 클라우드 데이터 수신 방법
US20220159310A1 (en) 2019-03-22 2022-05-19 Lg Electronics Inc. Point cloud data transmission device, point cloud data transmission method, point cloud data reception device, and point cloud data reception method
CN114009046A (zh) * 2019-06-21 2022-02-01 Lg电子株式会社 用于处理点云数据的装置和方法
CN110418135B (zh) * 2019-08-05 2022-05-27 北京大学深圳研究生院 一种基于邻居的权重优化的点云帧内预测方法及设备
CN114402532A (zh) 2019-09-30 2022-04-26 Oppo广东移动通信有限公司 占位信息的预测方法、编码器、解码器、及存储介质
JP2023514034A (ja) 2020-01-06 2023-04-05 オッポ広東移動通信有限公司 イントラ予測方法、装置、エンコーダ、デコーダ及び記憶媒体
US11475605B2 (en) 2020-01-09 2022-10-18 Apple Inc. Geometry encoding of duplicate points

Also Published As

Publication number Publication date
CN116320487A (zh) 2023-06-23
EP4090019A1 (en) 2022-11-16
WO2021138788A1 (zh) 2021-07-15
US20220345695A1 (en) 2022-10-27
EP4090019A4 (en) 2023-09-06
KR20220123258A (ko) 2022-09-06
US11936850B2 (en) 2024-03-19
JP2023514034A (ja) 2023-04-05

Similar Documents

Publication Publication Date Title
WO2020253828A1 (zh) 一种编解码方法、装置及存储介质
US11742878B2 (en) Occupancy information prediction method, encoder, decoder, and storage medium
TWI706671B (zh) 動畫像編碼裝置、動畫像解碼裝置、動畫像編碼方法、動畫像解碼方法及記錄媒體動畫像編碼資料
RU2753371C2 (ru) Способ кодирования текущего блока первого компонента изображения относительно контрольного блока по меньшей мере одного второго компонента изображения, устройство кодирования и соответствующая компьютерная программа
US11936850B2 (en) Methods for intra prediction, and encoder
US11936909B2 (en) Prediction method, encoder, decoder, and computer storage medium
US20240171772A1 (en) Method and device for intra prediction
TW202143709A (zh) 針對基於幾何的點雲壓縮的三湯語法訊號傳遞
Yin et al. Lossless point cloud attribute compression with normal-based intra prediction
WO2021138787A1 (zh) 一种帧内预测方法、编码器、解码器及存储介质
WO2022141461A1 (zh) 点云编解码方法、编码器、解码器以及计算机存储介质
WO2024082135A1 (zh) 编解码方法、编解码器、码流以及计算机存储介质
US20240187645A1 (en) Method and device for intra prediction
CN112509107A (zh) 一种点云属性重着色方法、装置及编码器
WO2024065406A1 (zh) 编解码方法、码流、编码器、解码器以及存储介质
WO2024082152A1 (zh) 编解码方法及装置、编解码器、码流、设备、存储介质
US20230377208A1 (en) Geometry coordinate scaling for ai-based dynamic point cloud coding
WO2024082127A1 (zh) 编解码方法、码流、编码器、解码器以及存储介质
CN116830580A (zh) 点云解码方法、解码器及计算机存储介质
CN116830579A (zh) 几何重构方法、解码器以及计算机存储介质
JP2024518154A (ja) 点群符号化・復号化方法、符号器、復号器及びコンピュータ記憶媒体
JP5469931B2 (ja) 動画像復号化方法、動画像符号化方法
CN115733990A (zh) 点云编解码方法、设备及存储介质

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination