CN112292861B - 用于解码端运动矢量修正的基于误差面的子像素精确修正方法 - Google Patents

用于解码端运动矢量修正的基于误差面的子像素精确修正方法 Download PDF

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CN112292861B
CN112292861B CN201980040320.0A CN201980040320A CN112292861B CN 112292861 B CN112292861 B CN 112292861B CN 201980040320 A CN201980040320 A CN 201980040320A CN 112292861 B CN112292861 B CN 112292861B
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motion vector
integer
pixel
sub
displacement
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CN112292861A (zh
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斯利拉姆·赛阿瑟拉门
奇甫阿·瑞安·阿
赛格安仁·蔻特查阿
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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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
    • H04N19/50—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
    • H04N19/533—Motion estimation using multistep search, e.g. two-dimensional [2D]-log search or one-at-a-time search [OTS]
    • 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
    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
    • 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
    • H04N19/13—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
    • H04N19/50—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
    • 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
    • H04N19/56—Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN201980040320.0A 2018-07-02 2019-06-20 用于解码端运动矢量修正的基于误差面的子像素精确修正方法 Active CN112292861B (zh)

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CN202210547968.0A CN115052162A (zh) 2018-07-02 2019-06-20 用于解码端运动矢量修正的基于误差面的子像素精确修正方法
CN202210544150.3A CN115442619B (zh) 2018-07-02 2019-06-20 用于解码端运动矢量修正的基于误差面的子像素精确修正方法

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IN201831024666 2018-07-02
IN201831024666 2018-07-02
PCT/CN2019/092114 WO2020007199A1 (en) 2018-07-02 2019-06-20 An error surface based sub-pixel accurate refinement method for decoder side motion vector refinement

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CN202210544150.3A Division CN115442619B (zh) 2018-07-02 2019-06-20 用于解码端运动矢量修正的基于误差面的子像素精确修正方法

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CN202210544150.3A Active CN115442619B (zh) 2018-07-02 2019-06-20 用于解码端运动矢量修正的基于误差面的子像素精确修正方法
CN202210547968.0A Pending CN115052162A (zh) 2018-07-02 2019-06-20 用于解码端运动矢量修正的基于误差面的子像素精确修正方法

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CN202210547968.0A Pending CN115052162A (zh) 2018-07-02 2019-06-20 用于解码端运动矢量修正的基于误差面的子像素精确修正方法

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EP (1) EP3794826A4 (enExample)
JP (3) JP7652354B2 (enExample)
KR (2) KR102568199B1 (enExample)
CN (3) CN112292861B (enExample)
BR (1) BR112020026988A2 (enExample)
MX (1) MX2020013844A (enExample)
MY (1) MY201618A (enExample)
SG (1) SG11202011320SA (enExample)
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GB2563943B (en) * 2017-06-30 2021-02-24 Canon Kk Method and apparatus for encoding or decoding video data in FRUC mode with reduced memory accesses
MX2021002488A (es) * 2018-09-04 2021-07-16 Huawei Tech Co Ltd Método de obtención de trama de referencia y aparato aplicado a la interpredicción bidireccional.
CN116208777B (zh) 2019-02-28 2026-05-29 华为技术有限公司 编码器、解码器及相应的帧间预测方法
CN119698835A (zh) * 2022-07-13 2025-03-25 Lg电子株式会社 基于运动信息细化的图像编码/解码方法、用于发送比特流的方法和用于存储比特流的记录介质
US20240223776A1 (en) * 2023-01-03 2024-07-04 Alibaba (China) Co., Ltd. Intra template matching prediction mode for motion prediction
US20250260831A1 (en) * 2024-02-14 2025-08-14 Tencent America LLC Implicit sub-pel position derivation for template matching-based intra prediction

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US6876703B2 (en) * 2000-05-11 2005-04-05 Ub Video Inc. Method and apparatus for video coding
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KR101403343B1 (ko) * 2007-10-04 2014-06-09 삼성전자주식회사 부화소 움직임 추정을 이용한 인터 예측 부호화, 복호화방법 및 장치
JP2011515060A (ja) 2008-03-09 2011-05-12 エルジー エレクトロニクス インコーポレイティド ビデオ信号のエンコーディングまたはデコーディング方法及び装置
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Jianle Chen,等.Algorithm Description of Joint Exploration Test Model 7 (JEM 7).《Joint Video Exploration Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 7th Meeting: Torino, IT, 13–21 July 2017》.2017, *
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JP7652354B2 (ja) 2025-03-27
US12477142B2 (en) 2025-11-18
KR102568199B1 (ko) 2023-08-22
JP2026053451A (ja) 2026-03-25
MY201618A (en) 2024-03-05
US11310521B2 (en) 2022-04-19
US12003754B2 (en) 2024-06-04
WO2020007199A1 (en) 2020-01-09
BR112020026988A2 (pt) 2021-03-30
US20260046439A1 (en) 2026-02-12
EP3794826A1 (en) 2021-03-24
CN115052162A (zh) 2022-09-13
US20220132158A1 (en) 2022-04-28
JP2024038060A (ja) 2024-03-19
KR102701434B1 (ko) 2024-09-04
US20240364914A1 (en) 2024-10-31
JP7793586B2 (ja) 2026-01-05
CN115442619B (zh) 2025-01-07
CN115442619A (zh) 2022-12-06
SG11202011320SA (en) 2020-12-30
EP3794826A4 (en) 2021-03-24
KR20230122686A (ko) 2023-08-22
CN112292861A (zh) 2021-01-29
MX2020013844A (es) 2021-03-25
JP2021530144A (ja) 2021-11-04
KR20210008046A (ko) 2021-01-20
US20210076059A1 (en) 2021-03-11

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