CN118450121A - 视频编解码方法和装置 - Google Patents

视频编解码方法和装置 Download PDF

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Publication number
CN118450121A
CN118450121A CN202410544989.6A CN202410544989A CN118450121A CN 118450121 A CN118450121 A CN 118450121A CN 202410544989 A CN202410544989 A CN 202410544989A CN 118450121 A CN118450121 A CN 118450121A
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China
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reference picture
picture
video
prediction
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CN202410544989.6A
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Chinese (zh)
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李贵春
李翔
许晓中
刘杉
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Tencent America LLC
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Tencent America LLC
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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
    • H04N19/102—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
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • 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
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • 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
    • H04N19/169—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
    • H04N19/17—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 an image region, e.g. an object
    • H04N19/176—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 an image region, e.g. an object the region being a block, e.g. a macroblock
    • 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
    • H04N19/186—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 colour or a chrominance component
    • 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
    • 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
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN202410544989.6A 2019-04-19 2020-04-17 视频编解码方法和装置 Pending CN118450121A (zh)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US201962836598P 2019-04-19 2019-04-19
US62/836,598 2019-04-19
US16/851,052 2020-04-16
US16/851,052 US11039150B2 (en) 2019-04-19 2020-04-16 Method and apparatus for video coding
CN202080019897.6A CN113557728B (zh) 2019-04-19 2020-04-17 视频编解码方法和装置
PCT/US2020/028768 WO2020214953A1 (en) 2019-04-19 2020-04-17 Method and apparatus for video coding

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CN118450121A true CN118450121A (zh) 2024-08-06

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US (4) US11039150B2 (enExample)
EP (1) EP3957066A4 (enExample)
JP (5) JP7252342B2 (enExample)
KR (4) KR102828558B1 (enExample)
CN (2) CN118450121A (enExample)
AU (1) AU2020260150B2 (enExample)
CA (1) CA3131897A1 (enExample)
SG (1) SG11202108999TA (enExample)
WO (1) WO2020214953A1 (enExample)

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US11140409B2 (en) * 2019-03-22 2021-10-05 Lg Electronics Inc. DMVR and BDOF based inter prediction method and apparatus thereof
WO2020197083A1 (ko) 2019-03-22 2020-10-01 엘지전자 주식회사 Dmvr 및 bdof 기반의 인터 예측 방법 및 장치
KR102772250B1 (ko) * 2019-03-22 2025-02-25 엘지전자 주식회사 Dmvr 기반의 인터 예측 방법 및 장치
EP4221225B1 (en) * 2019-05-15 2024-05-29 Huawei Technologies Co., Ltd. Handling of bi-directional optical flow (bio) coding tool for reference picture resampling in video coding
JP2022544844A (ja) * 2019-08-22 2022-10-21 エルジー エレクトロニクス インコーポレイティド 加重予測を行う画像符号化／復号化方法、装置、及びビットストリームを伝送する方法
US11375221B2 (en) * 2020-02-12 2022-06-28 Tencent America LLC Method and apparatus for cross-component filtering
US12081736B2 (en) * 2021-04-26 2024-09-03 Tencent America LLC Bi-prediction without signaling cu-level weights
CN116095307B (zh) * 2022-04-27 2024-10-25 杭州海康威视数字技术股份有限公司 一种解码、编码方法、装置及其设备
US12200192B2 (en) * 2022-07-08 2025-01-14 Tencent America LLC Method and apparatus for bi-prediction with sample adaptive weights
WO2024061363A1 (en) * 2022-09-22 2024-03-28 Mediatek Inc. Method and apparatus for video coding
US12401812B2 (en) * 2022-10-18 2025-08-26 Tencent America LLC Method and apparatus for affine motion refinement
WO2025162451A1 (en) * 2024-02-03 2025-08-07 Beijing Dajia Internet Information Technology Co., Ltd. Methods, apparatus, medium and computer program product for video coding

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US7154952B2 (en) * 2002-07-19 2006-12-26 Microsoft Corporation Timestamp-independent motion vector prediction for predictive (P) and bidirectionally predictive (B) pictures
US9325990B2 (en) * 2012-07-09 2016-04-26 Qualcomm Incorporated Temporal motion vector prediction in video coding extensions
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US20180242004A1 (en) * 2015-08-23 2018-08-23 Lg Electronics Inc. Inter prediction mode-based image processing method and apparatus therefor
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CN110140355B (zh) * 2016-12-27 2022-03-08 联发科技股份有限公司 用于视频编解码的双向模板运动向量微调的方法及装置
US11750832B2 (en) 2017-11-02 2023-09-05 Hfi Innovation Inc. Method and apparatus for video coding
CN117156155A (zh) * 2018-03-14 2023-12-01 Lx 半导体科技有限公司 图像编码/解码方法、存储介质和发送方法
US11153590B2 (en) 2019-01-11 2021-10-19 Tencent America LLC Method and apparatus for video coding
KR20250043573A (ko) * 2019-03-15 2025-03-28 엘지전자 주식회사 Bdof 기반의 인터 예측 방법 및 장치
WO2020197085A1 (ko) * 2019-03-22 2020-10-01 엘지전자 주식회사 Bdof 기반의 인터 예측 방법 및 장치
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Publication number Publication date
EP3957066A1 (en) 2022-02-23
CA3131897A1 (en) 2020-10-22
JP7480382B2 (ja) 2024-05-09
WO2020214953A1 (en) 2020-10-22
SG11202108999TA (en) 2021-09-29
KR102828558B1 (ko) 2025-07-03
JP2024097034A (ja) 2024-07-17
US20200336749A1 (en) 2020-10-22
KR20210094096A (ko) 2021-07-28
JP2022516251A (ja) 2022-02-25
KR102678765B1 (ko) 2024-07-03
US20210281863A1 (en) 2021-09-09
JP2025172837A (ja) 2025-11-26
KR20240101720A (ko) 2024-07-02
JP7698101B2 (ja) 2025-06-24
US11575917B2 (en) 2023-02-07
JP2023078388A (ja) 2023-06-06
JP2025131813A (ja) 2025-09-09
US20240373041A1 (en) 2024-11-07
AU2020260150A1 (en) 2021-09-09
AU2020260150B2 (en) 2022-11-10
CN113557728A (zh) 2021-10-26
JP7252342B2 (ja) 2023-04-04
US11039150B2 (en) 2021-06-15
CN113557728B (zh) 2024-05-03
KR102606201B1 (ko) 2023-11-29
KR20250105688A (ko) 2025-07-08
US12075068B2 (en) 2024-08-27
EP3957066A4 (en) 2022-06-29
US20230092028A1 (en) 2023-03-23
KR20230165358A (ko) 2023-12-05

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