CN113661709A - 仿射高级运动矢量预测中的运动信息精度对齐 - Google Patents

仿射高级运动矢量预测中的运动信息精度对齐 Download PDF

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Publication number
CN113661709A
CN113661709A CN202080025121.5A CN202080025121A CN113661709A CN 113661709 A CN113661709 A CN 113661709A CN 202080025121 A CN202080025121 A CN 202080025121A CN 113661709 A CN113661709 A CN 113661709A
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China
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precision
flag
motion vector
equal
block
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CN202080025121.5A
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Chinese (zh)
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刘鸿彬
张莉
张凯
王悦
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Beijing ByteDance Network Technology Co Ltd
ByteDance Inc
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Beijing ByteDance Network Technology Co Ltd
ByteDance Inc
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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
    • H04N19/10—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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/169—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
    • H04N19/1887—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 a variable length codeword
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN202080025121.5A 2019-03-27 2020-03-27 仿射高级运动矢量预测中的运动信息精度对齐 Pending CN113661709A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN2019079962 2019-03-27
CNPCT/CN2019/079962 2019-03-27
PCT/CN2020/081575 WO2020192747A1 (fr) 2019-03-27 2020-03-27 Alignement de précision d'informations de mouvement dans une prédiction de vecteur de mouvement avancée affine

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CN202080025292.8A Active CN113678444B (zh) 2019-03-27 2020-03-27 具有自适应运动矢量分辨率的仿射模式的熵编解码

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023179676A1 (fr) * 2022-03-23 2023-09-28 Beijing Bytedance Network Technology Co., Ltd. Procédé, appareil et support de traitement vidéo

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4128795A4 (fr) 2020-05-01 2023-08-30 Beijing Bytedance Network Technology Co., Ltd. Codage entropique pour syntaxe de partition

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1550110A (zh) * 2002-01-24 2004-11-24 ������������ʽ���� 运动图像的编码方法、解码方法、编码装置及解码装置
US20160100189A1 (en) * 2014-10-07 2016-04-07 Qualcomm Incorporated Intra bc and inter unification
CN105493505A (zh) * 2014-06-19 2016-04-13 微软技术许可有限责任公司 统一的帧内块复制和帧间预测模式
CN106165419A (zh) * 2014-01-09 2016-11-23 高通股份有限公司 用于视频译码的自适应运动向量分辨率信令
WO2018002021A1 (fr) * 2016-06-30 2018-01-04 Thomson Licensing Codage vidéo avec affinement adaptatif des informations de mouvement
EP3301918A1 (fr) * 2016-10-03 2018-04-04 Thomson Licensing Procédé et appareil de codage et de décodage d'informations de mouvement
US20180098089A1 (en) * 2016-10-04 2018-04-05 Qualcomm Incorporated Adaptive motion vector precision for video coding
WO2018110203A1 (fr) * 2016-12-16 2018-06-21 シャープ株式会社 Appareil de décodage d'images animées et appareil de codage d'images animées
CN108432250A (zh) * 2016-01-07 2018-08-21 联发科技股份有限公司 用于视频编解码的仿射帧间预测的方法及装置
TW201902222A (zh) * 2017-05-18 2019-01-01 聯發科技股份有限公司 用於視訊編解碼之運動向量限制方法和裝置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8542727B2 (en) * 2007-12-31 2013-09-24 Intel Corporation Systems and apparatuses for performing CABAC parallel encoding and decoding
WO2012134246A2 (fr) * 2011-04-01 2012-10-04 엘지전자 주식회사 Procédé de décodage entropique et appareil de décodage l'utilisant
US10123053B2 (en) * 2011-05-23 2018-11-06 Texas Instruments Incorporated Acceleration of bypass binary symbol processing in video coding
US9088796B2 (en) * 2011-11-07 2015-07-21 Sharp Kabushiki Kaisha Video decoder with enhanced CABAC decoding
US9538172B2 (en) * 2012-04-11 2017-01-03 Qualcomm Incorporated Grouping bypass coded syntax elements in video coding
CN106851275A (zh) * 2012-05-29 2017-06-13 寰发股份有限公司 视频数据的自适应采样点偏移的处理装置及方法
US20150189321A1 (en) * 2014-01-02 2015-07-02 Mediatek Inc. Method of Binarization and Context Adaptive Binary Arithmetic Coding of Depth Coding Syntax
WO2015131388A1 (fr) * 2014-03-07 2015-09-11 Qualcomm Incorporated Simplification de codage de profondeur en mode intra dans un processus de codage vidéo 3d
US20150264348A1 (en) * 2014-03-17 2015-09-17 Qualcomm Incorporated Dictionary coding of video content
WO2017052000A1 (fr) * 2015-09-24 2017-03-30 엘지전자 주식회사 Procédé et appareil de prédiction inter basée sur le raffinement des vecteurs de mouvement dans un système de codage d'images
US10448010B2 (en) * 2016-10-05 2019-10-15 Qualcomm Incorporated Motion vector prediction for affine motion models in video coding
CN116320480A (zh) * 2016-12-22 2023-06-23 株式会社Kt 对视频进行解码或编码的方法和发送视频数据的方法
US10602180B2 (en) * 2017-06-13 2020-03-24 Qualcomm Incorporated Motion vector prediction

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1550110A (zh) * 2002-01-24 2004-11-24 ������������ʽ���� 运动图像的编码方法、解码方法、编码装置及解码装置
CN106165419A (zh) * 2014-01-09 2016-11-23 高通股份有限公司 用于视频译码的自适应运动向量分辨率信令
CN105493505A (zh) * 2014-06-19 2016-04-13 微软技术许可有限责任公司 统一的帧内块复制和帧间预测模式
US20160100189A1 (en) * 2014-10-07 2016-04-07 Qualcomm Incorporated Intra bc and inter unification
CN106797476A (zh) * 2014-10-07 2017-05-31 高通股份有限公司 帧内bc及帧间统一
CN108432250A (zh) * 2016-01-07 2018-08-21 联发科技股份有限公司 用于视频编解码的仿射帧间预测的方法及装置
WO2018002021A1 (fr) * 2016-06-30 2018-01-04 Thomson Licensing Codage vidéo avec affinement adaptatif des informations de mouvement
EP3301918A1 (fr) * 2016-10-03 2018-04-04 Thomson Licensing Procédé et appareil de codage et de décodage d'informations de mouvement
US20180098089A1 (en) * 2016-10-04 2018-04-05 Qualcomm Incorporated Adaptive motion vector precision for video coding
WO2018110203A1 (fr) * 2016-12-16 2018-06-21 シャープ株式会社 Appareil de décodage d'images animées et appareil de codage d'images animées
TW201902222A (zh) * 2017-05-18 2019-01-01 聯發科技股份有限公司 用於視訊編解碼之運動向量限制方法和裝置

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
HONGBIN LIU ET AL: "CE4-related: Adaptive Motion Vector Resolution for Affine Inter Mode（JVET-L0332-v1）", JVET 12TH MEETING, pages 1 - 2 *
YAN ZHANG ET AL: "Adaptive Motion Vector Resolution Rounding Align（JVET-L0377）", JVET 12TH MEETING, pages 1 - 2 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023179676A1 (fr) * 2022-03-23 2023-09-28 Beijing Bytedance Network Technology Co., Ltd. Procédé, appareil et support de traitement vidéo

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WO2020192749A1 (fr) 2020-10-01
WO2020192747A1 (fr) 2020-10-01
CN113678444A (zh) 2021-11-19

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