CA3131897A1 - Disabling of a refinement technique in a reconstruction of a sample in a video coding block in inter prediction - Google Patents

Disabling of a refinement technique in a reconstruction of a sample in a video coding block in inter prediction Download PDF

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Publication number
CA3131897A1
CA3131897A1 CA3131897A CA3131897A CA3131897A1 CA 3131897 A1 CA3131897 A1 CA 3131897A1 CA 3131897 A CA3131897 A CA 3131897A CA 3131897 A CA3131897 A CA 3131897A CA 3131897 A1 CA3131897 A1 CA 3131897A1
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Canada
Prior art keywords
reference picture
picture
chroma
video
prediction
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CA3131897A
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English (en)
French (fr)
Inventor
Guichun Li
Xiang Li
Xiaozhong Xu
Shan Liu
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Tencent America LLC
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Tencent America LLC
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Application filed by Tencent America LLC filed Critical Tencent America LLC
Publication of CA3131897A1 publication Critical patent/CA3131897A1/en
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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)
CA3131897A 2019-04-19 2020-04-17 Disabling of a refinement technique in a reconstruction of a sample in a video coding block in inter prediction Pending CA3131897A1 (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 (1)

Publication Number Publication Date
CA3131897A1 true CA3131897A1 (en) 2020-10-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA3131897A Pending CA3131897A1 (en) 2019-04-19 2020-04-17 Disabling of a refinement technique in a reconstruction of a sample in a video coding block in inter prediction

Country Status (9)

Country Link
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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US11190797B2 (en) * 2019-03-01 2021-11-30 Qualcomm Incorporated Constraints on decoder-side motion vector refinement based on weights for bi-predicted prediction
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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JP2004514334A (ja) * 2000-11-09 2004-05-13 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ ビデオ信号処理
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
US9491460B2 (en) 2013-03-29 2016-11-08 Qualcomm Incorporated Bandwidth reduction for video coding prediction
KR102197505B1 (ko) * 2013-10-25 2020-12-31 마이크로소프트 테크놀로지 라이센싱, 엘엘씨 비디오 및 이미지 코딩 및 디코딩에서의 해시 값을 갖는 블록의 표현
EP3078195A4 (en) * 2013-12-02 2017-08-09 Nokia Technologies OY Video encoding and decoding
EP3340620B1 (en) * 2015-08-23 2024-10-02 LG Electronics Inc. Inter prediction mode-based image processing method and apparatus therefor
US10375413B2 (en) * 2015-09-28 2019-08-06 Qualcomm Incorporated Bi-directional optical flow for video coding
US10911761B2 (en) * 2016-12-27 2021-02-02 Mediatek Inc. Method and apparatus of bilateral template MV refinement for video coding
US11750832B2 (en) * 2017-11-02 2023-09-05 Hfi Innovation Inc. Method and apparatus for video coding
CN116962717A (zh) * 2018-03-14 2023-10-27 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
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
EP3944623A4 (en) * 2019-03-22 2022-06-08 LG Electronics Inc. METHOD AND DEVICE FOR DMVR-BASED INTERPREDICTION

Also Published As

Publication number Publication date
JP7252342B2 (ja) 2023-04-04
AU2020260150B2 (en) 2022-11-10
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
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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