AU2021251670B2 - Method and apparatus for video coding - Google Patents

Method and apparatus for video coding Download PDF

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Publication number
AU2021251670B2
AU2021251670B2 AU2021251670A AU2021251670A AU2021251670B2 AU 2021251670 B2 AU2021251670 B2 AU 2021251670B2 AU 2021251670 A AU2021251670 A AU 2021251670A AU 2021251670 A AU2021251670 A AU 2021251670A AU 2021251670 B2 AU2021251670 B2 AU 2021251670B2
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parameter
subblock
flag
prediction
video
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AU2021251670A
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AU2021251670A1 (en
Inventor
Guichun Li
Xiang Li
Shan Liu
Xiaozhong Xu
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Tencent America LLC
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Tencent America LLC
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Priority to AU2023204371A priority Critical patent/AU2023204371B2/en
Priority to AU2025200794A priority patent/AU2025200794A1/en
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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
    • H04N19/44Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection 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
    • 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/107Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • H04N19/137Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/169Methods 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
    • H04N19/17Methods 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 an image region, e.g. an object
    • H04N19/176Methods 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 an image region, e.g. an object the region being a block, e.g. a macroblock
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46Embedding additional information in the video signal during the compression process
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • H04N19/517Processing of motion vectors by encoding
    • H04N19/52Processing of motion vectors by encoding by predictive encoding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
AU2021251670A 2020-04-06 2021-04-01 Method and apparatus for video coding Active AU2021251670B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2023204371A AU2023204371B2 (en) 2020-04-06 2023-07-06 Method and apparatus for video coding
AU2025200794A AU2025200794A1 (en) 2020-04-06 2025-02-05 Method and apparatus for video coding

Applications Claiming Priority (5)

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US202063005511P 2020-04-06 2020-04-06
US63/005,511 2020-04-06
US17/217,595 2021-03-30
US17/217,595 US11405628B2 (en) 2020-04-06 2021-03-30 Method and apparatus for video coding
PCT/US2021/025345 WO2021206992A1 (en) 2020-04-06 2021-04-01 Method and apparatus for video coding

Related Child Applications (1)

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AU2023204371A Division AU2023204371B2 (en) 2020-04-06 2023-07-06 Method and apparatus for video coding

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AU2021251670A1 AU2021251670A1 (en) 2021-12-02
AU2021251670B2 true AU2021251670B2 (en) 2023-04-06

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AU2025200794A Pending AU2025200794A1 (en) 2020-04-06 2025-02-05 Method and apparatus for video coding

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AU2025200794A Pending AU2025200794A1 (en) 2020-04-06 2025-02-05 Method and apparatus for video coding

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US (3) US11405628B2 (https=)
EP (2) EP4708869A2 (https=)
JP (3) JP7413401B2 (https=)
KR (2) KR20250091317A (https=)
CN (3) CN118827975A (https=)
AU (3) AU2021251670B2 (https=)
CA (1) CA3131158A1 (https=)
SG (1) SG11202110311UA (https=)
WO (1) WO2021206992A1 (https=)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3744094A4 (en) * 2018-01-26 2021-11-03 MediaTek Inc. METHOD AND DEVICE FOR AFFINE INTER-PREDICTION FOR A VIDEO ENCODING SYSTEM
WO2020084476A1 (en) 2018-10-22 2020-04-30 Beijing Bytedance Network Technology Co., Ltd. Sub-block based prediction
CN111083492B (zh) 2018-10-22 2024-01-12 北京字节跳动网络技术有限公司 双向光流中的梯度计算
CN111436230B (zh) 2018-11-12 2024-10-11 北京字节跳动网络技术有限公司 仿射预测的带宽控制方法
CN113170093B (zh) 2018-11-20 2023-05-02 北京字节跳动网络技术有限公司 视频处理中的细化帧间预测
JP7241870B2 (ja) * 2018-11-20 2023-03-17 北京字節跳動網絡技術有限公司 部分的な位置に基づく差分計算
CN113261294B (zh) * 2019-01-02 2024-06-18 Lg电子株式会社 基于sbtmvp的帧间预测方法和设备
JP2022521554A (ja) 2019-03-06 2022-04-08 北京字節跳動網絡技術有限公司 変換された片予測候補の利用
WO2020200269A1 (en) * 2019-04-02 2020-10-08 Beijing Bytedance Network Technology Co., Ltd. Decoder side motion vector derivation
CN115380534A (zh) * 2020-04-03 2022-11-22 Oppo广东移动通信有限公司 一种帧间预测方法、编码器、解码器及存储介质
WO2023061334A1 (en) * 2021-10-11 2023-04-20 Beijing Bytedance Network Technology Co., Ltd. Method, device, and medium for video processing
EP4424019A4 (en) * 2021-11-08 2025-08-13 Beijing Dajia Internet Information Tech Co Ltd DERIVATION OF CANDIDATES FOR AN AFFINITE MERGER MODE IN VIDEO CODING
WO2024140961A1 (en) * 2022-12-29 2024-07-04 Douyin Vision Co., Ltd. Method, apparatus, and medium for video processing
WO2024156268A1 (en) * 2023-01-24 2024-08-02 Douyin Vision Co., Ltd. Method, apparatus, and medium for video processing
WO2024199484A1 (en) * 2023-03-29 2024-10-03 Douyin Vision Co., Ltd. Method, apparatus, and medium for video processing
WO2025157283A1 (en) * 2024-01-26 2025-07-31 Mediatek Inc. Video coding method that constructs intra merge mode list using propagated inheritance information and associated apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170332099A1 (en) * 2016-05-13 2017-11-16 Qualcomm Incorporated Merge candidates for motion vector prediction for video coding

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4398571B1 (en) 2010-11-04 2025-06-18 GE Video Compression, LLC Picture coding supporting block merging and skip mode
US9066110B2 (en) 2011-03-08 2015-06-23 Texas Instruments Incorporated Parsing friendly and error resilient merge flag coding in video coding
KR101934277B1 (ko) * 2011-11-28 2019-01-04 에스케이텔레콤 주식회사 개선된 머지를 이용한 영상 부호화/복호화 방법 및 장치
US10484703B2 (en) 2017-02-07 2019-11-19 Mediatek Inc. Adapting merge candidate positions and numbers according to size and/or shape of prediction block
CN112544077B (zh) * 2018-07-16 2023-12-08 Lg电子株式会社 用于子块单元中的时间运动信息预测的帧间预测方法及其装置
US11539958B2 (en) * 2018-07-17 2022-12-27 Lg Electronics Inc. Method for predicting subblock-based temporal motion vector and apparatus therefor
CN117061769A (zh) * 2018-09-22 2023-11-14 上海天荷电子信息有限公司 数据压缩的编码方法及编码装置、解码方法及解码装置
CN113196751B (zh) * 2018-10-23 2023-10-13 韦勒斯标准与技术协会公司 通过使用基于子块的运动补偿处理视频信号的方法和设备
CN119653077A (zh) * 2018-10-29 2025-03-18 华为技术有限公司 一种视频图像预测方法及装置
US11611759B2 (en) * 2019-05-24 2023-03-21 Qualcomm Incorporated Merge mode coding for video coding

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170332099A1 (en) * 2016-05-13 2017-11-16 Qualcomm Incorporated Merge candidates for motion vector prediction for video coding

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
O. CHUBACH, C.-C. CHEN, C.-W. HSU, C.-Y. CHEN, T.-D. CHUANG, Y.-W. HUANG, S.-M. LEI (MEDIATEK): "CE4-related: On maximum number of subblock-based merging candidates", 16. JVET MEETING; 20191001 - 20191011; GENEVA; (THE JOINT VIDEO EXPLORATION TEAM OF ISO/IEC JTC1/SC29/WG11 AND ITU-T SG.16 ), 24 September 2019 (2019-09-24), XP030216378 *

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US11405628B2 (en) 2022-08-02
JP2025106484A (ja) 2025-07-15
EP3939265A4 (en) 2022-05-04
EP3939265A1 (en) 2022-01-19
US20240292011A1 (en) 2024-08-29
JP2022532032A (ja) 2022-07-13
JP7667240B2 (ja) 2025-04-22
WO2021206992A1 (en) 2021-10-14
AU2023204371A1 (en) 2023-08-03
SG11202110311UA (en) 2021-11-29
CN113875234A (zh) 2021-12-31
CN118827975A (zh) 2024-10-22
EP4708869A2 (en) 2026-03-11
KR20210145794A (ko) 2021-12-02
US12003748B2 (en) 2024-06-04
JP2024029127A (ja) 2024-03-05
CA3131158A1 (en) 2021-10-06
EP3939265B1 (en) 2026-03-04
US20220337856A1 (en) 2022-10-20
JP7413401B2 (ja) 2024-01-15
US20210314586A1 (en) 2021-10-07
KR102821003B1 (ko) 2025-06-16
AU2023204371B2 (en) 2024-11-21
CN113875234B (zh) 2024-07-26
AU2021251670A1 (en) 2021-12-02
CN118827974A (zh) 2024-10-22
AU2025200794A1 (en) 2025-02-20
KR20250091317A (ko) 2025-06-20

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