AU2020260150B2 - Method and apparatus for video coding - Google Patents

Method and apparatus for video coding Download PDF

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Publication number
AU2020260150B2
AU2020260150B2 AU2020260150A AU2020260150A AU2020260150B2 AU 2020260150 B2 AU2020260150 B2 AU 2020260150B2 AU 2020260150 A AU2020260150 A AU 2020260150A AU 2020260150 A AU2020260150 A AU 2020260150A AU 2020260150 B2 AU2020260150 B2 AU 2020260150B2
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reference picture
picture
video
prediction
chroma
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AU2020260150A1 (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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    • 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
    • H04N19/103—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
    • H04N19/132—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)
AU2020260150A 2019-04-19 2020-04-17 Method and apparatus for video coding Active AU2020260150B2 (en)

Applications Claiming Priority (5)

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
PCT/US2020/028768 WO2020214953A1 (en) 2019-04-19 2020-04-17 Method and apparatus for video coding

Publications (2)

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AU2020260150A1 AU2020260150A1 (en) 2021-09-09
AU2020260150B2 true AU2020260150B2 (en) 2022-11-10

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US (4) US11039150B2 (https=)
EP (1) EP3957066A4 (https=)
JP (5) JP7252342B2 (https=)
KR (4) KR102678765B1 (https=)
CN (2) CN113557728B (https=)
AU (1) AU2020260150B2 (https=)
CA (1) CA3131897A1 (https=)
SG (1) SG11202108999TA (https=)
WO (1) WO2020214953A1 (https=)

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EP3941061A4 (en) * 2019-03-15 2022-05-04 Lg Electronics Inc. Bdof-based inter prediction method and device
CN111989925B (zh) * 2019-03-22 2024-04-26 罗斯德尔动力有限责任公司 基于dmvr和bdof的帧间预测方法及其设备
EP3944623A4 (en) * 2019-03-22 2022-06-08 LG Electronics Inc. METHOD AND DEVICE FOR DMVR-BASED INTERPREDICTION
CN118101931B (zh) * 2019-05-15 2025-02-21 华为技术有限公司 视频译码中用于参考图像重采样的双向光流方法和设备
CN120302048A (zh) * 2019-08-22 2025-07-11 Lg电子株式会社 图像解码方法、图像编码方法和比特流发送方法
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
CN116506619B (zh) * 2022-04-27 2024-10-29 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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EP3941061A4 (en) * 2019-03-15 2022-05-04 Lg Electronics Inc. Bdof-based inter prediction method and device
WO2020197085A1 (ko) * 2019-03-22 2020-10-01 엘지전자 주식회사 Bdof 기반의 인터 예측 방법 및 장치
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Also Published As

Publication number Publication date
JP7252342B2 (ja) 2023-04-04
JP2025131813A (ja) 2025-09-09
CN113557728B (zh) 2024-05-03
US12604016B2 (en) 2026-04-14
SG11202108999TA (en) 2021-09-29
KR20250105688A (ko) 2025-07-08
CA3131897A1 (en) 2020-10-22
US20230092028A1 (en) 2023-03-23
AU2020260150A1 (en) 2021-09-09
JP7698101B2 (ja) 2025-06-24
EP3957066A4 (en) 2022-06-29
US11039150B2 (en) 2021-06-15
JP7849548B2 (ja) 2026-04-21
CN113557728A (zh) 2021-10-26
KR20240101720A (ko) 2024-07-02
KR20210094096A (ko) 2021-07-28
JP7480382B2 (ja) 2024-05-09
US11575917B2 (en) 2023-02-07
JP2024097034A (ja) 2024-07-17
JP2023078388A (ja) 2023-06-06
EP3957066A1 (en) 2022-02-23
KR20230165358A (ko) 2023-12-05
US20200336749A1 (en) 2020-10-22
US12075068B2 (en) 2024-08-27
US20240373041A1 (en) 2024-11-07
JP2022516251A (ja) 2022-02-25
KR102828558B1 (ko) 2025-07-03
KR102606201B1 (ko) 2023-11-29
US20210281863A1 (en) 2021-09-09
JP2025172837A (ja) 2025-11-26
CN118450121A (zh) 2024-08-06
KR102678765B1 (ko) 2024-07-03
WO2020214953A1 (en) 2020-10-22

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