CN112243586A - 一种帧间预测的方法和装置 - Google Patents

一种帧间预测的方法和装置 Download PDF

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CN112243586A
CN112243586A CN201980015456.6A CN201980015456A CN112243586A CN 112243586 A CN112243586 A CN 112243586A CN 201980015456 A CN201980015456 A CN 201980015456A CN 112243586 A CN112243586 A CN 112243586A
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block
motion vector
reference frame
vector
processed
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陈焕浜
杨海涛
张恋
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN202011098317.5A priority Critical patent/CN112153389B/zh
Priority to CN202111348123.0A priority patent/CN114079786A/zh
Publication of CN112243586A publication Critical patent/CN112243586A/zh
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    • 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
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    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
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    • 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
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    • 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
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Abstract

本申请公开了一种帧间预测方法，待处理块包括一个或多个子块，所述方法包括：根据所述待处理块的空域相邻块，确定所述待处理块的时域偏移矢量，所述时域偏移矢量用于确定所述待处理块的子块的对应子块；根据所述对应子块的运动矢量，确定所述待处理块的子块的运动矢量，其中，当所述对应子块的运动矢量不可得时，根据第一预设运动矢量获取所述待处理块的子块的运动矢量。实施本申请能够提高编解码中的预测准确性，提升编码效率。

Description

PCT国内申请，说明书已公开。

Claims (68)

  1. PCT国内申请，权利要求书已公开。
CN201980015456.6A 2019-05-17 2019-08-15 一种帧间预测的方法和装置 Pending CN112243586A (zh)

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CN202011098317.5A CN112153389B (zh) 2019-05-17 2019-08-15 一种帧间预测的方法和装置
CN202111348123.0A CN114079786A (zh) 2019-05-17 2019-08-15 一种帧间预测的方法和装置

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CN2019104149145 2019-05-17
CN201910414914.5A CN111953995A (zh) 2019-05-17 2019-05-17 一种帧间预测的方法和装置
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Cited By (1)

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WO2022194103A1 (zh) * 2021-03-19 2022-09-22 杭州海康威视数字技术股份有限公司 解码方法、编码方法、装置、设备及存储介质

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KR102221581B1 (ko) * 2019-06-27 2021-03-02 삼성전자주식회사 비디오 복호화 방법 및 장치, 비디오 부호화 방법 및 장치
US20230336737A1 (en) * 2022-04-18 2023-10-19 Tencent America LLC Sub-block based temporal motion vector predictor with an motion vector offset
WO2024005456A1 (ko) * 2022-06-27 2024-01-04 현대자동차주식회사 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체

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GB201113527D0 (en) * 2011-08-04 2011-09-21 Imagination Tech Ltd External vectors in a motion estimation system
US11477477B2 (en) 2015-01-26 2022-10-18 Qualcomm Incorporated Sub-prediction unit based advanced temporal motion vector prediction
EP3414901A4 (en) * 2016-02-08 2018-12-26 Sharp Kabushiki Kaisha Systems and methods for transform coefficient coding
CN116567223A (zh) * 2016-08-11 2023-08-08 Lx 半导体科技有限公司 图像编码/解码设备和图像数据的发送设备
JP7382332B2 (ja) 2017-11-01 2023-11-16 ヴィド スケール インコーポレイテッド マージモード用のサブブロック動き導出およびデコーダサイド動きベクトル精緻化

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WO2022194103A1 (zh) * 2021-03-19 2022-09-22 杭州海康威视数字技术股份有限公司 解码方法、编码方法、装置、设备及存储介质

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BR112021023118A2 (pt) 2022-01-04
CN111953995A (zh) 2020-11-17
KR20220003037A (ko) 2022-01-07
EP3955576A1 (en) 2022-02-16
US20220078441A1 (en) 2022-03-10
JP2023156315A (ja) 2023-10-24
EP3955576A4 (en) 2022-07-27
JP2022532670A (ja) 2022-07-15
MX2021013316A (es) 2021-12-10

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