JP7342115B2 - 履歴ベースの動きベクトル予測子の改善 - Google Patents

履歴ベースの動きベクトル予測子の改善 Download PDF

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JP7342115B2
JP7342115B2 JP2021518081A JP2021518081A JP7342115B2 JP 7342115 B2 JP7342115 B2 JP 7342115B2 JP 2021518081 A JP2021518081 A JP 2021518081A JP 2021518081 A JP2021518081 A JP 2021518081A JP 7342115 B2 JP7342115 B2 JP 7342115B2
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hmvp
candidates
prediction
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JP2022504073A (ja
JP2022504073A5 (OSRAM
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ハン、ユ
チェン、ウェイ－ジュン
ファン、ハン
ハング、チャオ－ション
カルチェビチ、マルタ
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Qualcomm Inc
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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
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive 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
    • 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
    • H04N19/10—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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • 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

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  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2021518081A 2018-10-08 2019-10-07 履歴ベースの動きベクトル予測子の改善 Active JP7342115B2 (ja)

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US201862742890P 2018-10-08 2018-10-08
US62/742,890 2018-10-08
US16/593,388 2019-10-04
US16/593,388 US11051034B2 (en) 2018-10-08 2019-10-04 History-based motion vector predictor
PCT/US2019/055004 WO2020076705A2 (en) 2018-10-08 2019-10-07 Improvements on history-based motion vector predictor

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Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019234606A1 (en) 2018-06-05 2019-12-12 Beijing Bytedance Network Technology Co., Ltd. Interaction between ibc and atmvp
EP3788782A1 (en) 2018-06-21 2021-03-10 Beijing Bytedance Network Technology Co. Ltd. Sub-block mv inheritance between color components
WO2019244117A1 (en) 2018-06-21 2019-12-26 Beijing Bytedance Network Technology Co., Ltd. Unified constrains for the merge affine mode and the non-merge affine mode
KR20200002697A (ko) * 2018-06-29 2020-01-08 한국전자통신연구원 처리율 향상을 위한 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
MX392418B (es) 2018-06-29 2025-03-24 Beijing Bytedance Network Tech Co Ltd Poda parcial/total cuando se añade un candidato a hmvp para fusión/amvp.
KR20240007299A (ko) 2018-06-29 2024-01-16 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 룩업 테이블의 업데이트: fifo, 제약된 fifo
EP3794824A1 (en) 2018-06-29 2021-03-24 Beijing Bytedance Network Technology Co. Ltd. Conditions for updating luts
WO2020003279A1 (en) 2018-06-29 2020-01-02 Beijing Bytedance Network Technology Co., Ltd. Concept of using one or multiple look up tables to store motion information of previously coded in order and use them to code following blocks
WO2020003261A1 (en) 2018-06-29 2020-01-02 Beijing Bytedance Network Technology Co., Ltd. Selection from multiple luts
WO2020003270A1 (en) 2018-06-29 2020-01-02 Beijing Bytedance Network Technology Co., Ltd. Number of motion candidates in a look up table to be checked according to mode
KR20240007298A (ko) 2018-06-29 2024-01-16 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 Lut에서의 모션 후보들의 검사 순서
CN114125450B (zh) 2018-06-29 2023-11-17 北京字节跳动网络技术有限公司 一种用于处理视频数据的方法、装置和计算机可读介质
WO2020008351A1 (en) 2018-07-02 2020-01-09 Beijing Bytedance Network Technology Co., Ltd. Luts with lic
GB2590310B (en) 2018-09-12 2023-03-22 Beijing Bytedance Network Tech Co Ltd Conditions for starting checking HMVP candidates depend on total number minus K
RU2769146C1 (ru) * 2018-09-22 2022-03-28 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ и устройство для обработки сигналов видео с использованием интер-предсказания
GB2591906B (en) 2018-09-24 2023-03-08 Beijing Bytedance Network Tech Co Ltd Bi-prediction with weights in video coding and decoding
CN116634170A (zh) 2018-10-10 2023-08-22 华为技术有限公司 帧间预测方法及装置
CN112868238B (zh) 2018-10-23 2023-04-21 北京字节跳动网络技术有限公司 局部照明补偿和帧间预测编解码之间的并置
CN116939198A (zh) 2018-10-23 2023-10-24 北京字节跳动网络技术有限公司 并置的局部照明补偿和修改的帧间预测编解码
WO2020088689A1 (en) * 2018-11-02 2020-05-07 Beijing Bytedance Network Technology Co., Ltd. Usage of hmvp candidates in geometry partition prediction mode
CN116886926A (zh) 2018-11-10 2023-10-13 北京字节跳动网络技术有限公司 成对平均候选计算中的取整
WO2020114407A1 (en) 2018-12-03 2020-06-11 Beijing Bytedance Network Technology Co., Ltd. Partial pruning method for hmvp mode
WO2020117016A1 (ko) * 2018-12-06 2020-06-11 엘지전자 주식회사 인터 예측을 기반으로 비디오 신호를 처리하기 위한 방법 및 장치
US11394989B2 (en) * 2018-12-10 2022-07-19 Tencent America LLC Method and apparatus for video coding
CN113228639A (zh) * 2018-12-21 2021-08-06 韩国电子通信研究院 图像编码/解码方法和装置以及存储有比特流的记录介质
TWI782887B (zh) 2018-12-28 2022-11-01 日商Ｊｖｃ建伍股份有限公司 影像編碼裝置、影像編碼方法、影像編碼程式、影像解碼裝置、影像解碼方法及影像解碼程式
CN112954364A (zh) 2018-12-28 2021-06-11 Jvc建伍株式会社 图像编码装置和方法、图像解码装置和方法
WO2020143741A1 (en) 2019-01-10 2020-07-16 Beijing Bytedance Network Technology Co., Ltd. Invoke of lut updating
CN113383554B (zh) 2019-01-13 2022-12-16 北京字节跳动网络技术有限公司 LUT和共享Merge列表之间的交互
WO2020147745A1 (en) 2019-01-15 2020-07-23 Beijing Bytedance Network Technology Co., Ltd. Motion candidate lists that use local illumination compensation
WO2020147747A1 (en) 2019-01-15 2020-07-23 Beijing Bytedance Network Technology Co., Ltd. Weighted prediction in video coding
CN113302937B (zh) 2019-01-16 2024-08-02 北京字节跳动网络技术有限公司 运动候选推导
CN113316933B (zh) * 2019-01-17 2024-10-11 北京字节跳动网络技术有限公司 使用运动预测进行去方块滤波
WO2020156464A1 (en) * 2019-01-31 2020-08-06 Mediatek Inc. Method and apparatus of combined inter and intraprediction for video coding
CN113396588B (zh) 2019-02-01 2026-03-20 北京字节跳动网络技术有限公司 不同视频处理模式之间的协调
US11115653B2 (en) * 2019-02-22 2021-09-07 Mediatek Inc. Intra block copy merge list simplification
WO2020187328A1 (en) 2019-03-21 2020-09-24 Beijing Bytedance Network Technology Co., Ltd. Signaling of combined intra-inter prediction
CN113615193B (zh) 2019-03-22 2024-06-25 北京字节跳动网络技术有限公司 Merge列表构建和其他工具之间的交互
CN113812165B (zh) * 2019-05-09 2023-05-23 北京字节跳动网络技术有限公司 对hmvp表的改进
CN113940082A (zh) * 2019-06-06 2022-01-14 北京字节跳动网络技术有限公司 基于子块的帧内块复制和不同编解码工具之间的交互
WO2020244660A1 (en) 2019-06-06 2020-12-10 Beijing Bytedance Network Technology Co., Ltd. Motion candidate list construction for video coding
CN114009044A (zh) 2019-06-14 2022-02-01 瑞典爱立信有限公司 用于基于矩阵的帧内预测的简化下采样
CN114009037B (zh) 2019-06-22 2025-01-10 北京字节跳动网络技术有限公司 帧内块复制模式的运动候选列表构建
US11451809B2 (en) * 2019-08-28 2022-09-20 Tencent America LLC Method and apparatus for video coding
CN113709498B (zh) * 2020-05-20 2023-06-02 Oppo广东移动通信有限公司 帧间预测方法、编码器、解码器以及计算机存储介质
CN114374849A (zh) * 2020-10-18 2022-04-19 腾讯科技（深圳）有限公司 一种候选运动信息列表确定方法、装置、电子设备及存储介质
WO2023090924A1 (ko) * 2021-11-18 2023-05-25 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
US20240388720A1 (en) * 2022-02-01 2024-11-21 Apple Inc. Video codec buffer quantity reduction
KR20240148900A (ko) * 2022-02-15 2024-10-11 엘지전자 주식회사 영상 부호화/복호화 방법, 비트스트림을 전송하는 방법 및 비트스트림을 저장한 기록 매체
CN119234421A (zh) * 2022-06-23 2024-12-31 联发科技股份有限公司 使用多个基于历史的运动向量预测表进行视频编解码的方法和装置
WO2025219105A1 (en) * 2024-04-17 2025-10-23 Nokia Technologies Oy Distance-based hmvp
GB2644100A (en) * 2024-09-17 2026-03-18 Nokia Technologies Oy Coding performed on an uncoded block in an image frame using information from coded-blocks of the image frame

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022501912A (ja) 2018-09-22 2022-01-06 エルジー エレクトロニクス インコーポレイティドLg Electronics Inc. インター予測に基づいて、ビデオ信号を処理するための方法及び装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7567617B2 (en) 2003-09-07 2009-07-28 Microsoft Corporation Predicting motion vectors for fields of forward-predicted interlaced video frames
CN1225127C (zh) * 2003-09-12 2005-10-26 中国科学院计算技术研究所 一种用于视频编码的编码端/解码端双向预测方法
US8358698B2 (en) 2010-01-08 2013-01-22 Research In Motion Limited Method and device for motion vector estimation in video transcoding using full-resolution residuals
EP3139611A1 (en) 2011-03-14 2017-03-08 HFI Innovation Inc. Method and apparatus for deriving temporal motion vector prediction
KR101934277B1 (ko) * 2011-11-28 2019-01-04 에스케이텔레콤 주식회사 개선된 머지를 이용한 영상 부호화/복호화 방법 및 장치
US9491458B2 (en) 2012-04-12 2016-11-08 Qualcomm Incorporated Scalable video coding prediction with non-causal information
US9699450B2 (en) * 2012-10-04 2017-07-04 Qualcomm Incorporated Inter-view predicted motion vector for 3D video
WO2016068685A1 (ko) 2014-10-31 2016-05-06 삼성전자 주식회사 고정밀 스킵 부호화를 이용한 비디오 부호화 장치 및 비디오 복호화 장치 및 그 방법
US11477477B2 (en) * 2015-01-26 2022-10-18 Qualcomm Incorporated Sub-prediction unit based advanced temporal motion vector prediction
US10560718B2 (en) 2016-05-13 2020-02-11 Qualcomm Incorporated Merge candidates for motion vector prediction for video coding
EP3343925A1 (en) 2017-01-03 2018-07-04 Thomson Licensing Method and apparatus for encoding and decoding motion information

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022501912A (ja) 2018-09-22 2022-01-06 エルジー エレクトロニクス インコーポレイティドLg Electronics Inc. インター予測に基づいて、ビデオ信号を処理するための方法及び装置

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WO2020076705A2 (en) 2020-04-16
KR102889176B1 (ko) 2025-11-20
CN112823517B (zh) 2024-06-07
TWI826546B (zh) 2023-12-21
EP3864841A2 (en) 2021-08-18
PH12021550507A1 (en) 2021-11-08
ES3008269T3 (en) 2025-03-21
JP2022504073A (ja) 2022-01-13
CO2021004169A2 (es) 2021-04-30
TW202027508A (zh) 2020-07-16
CN112823517A (zh) 2021-05-18
KR20210068439A (ko) 2021-06-09
EP3864841B1 (en) 2025-01-01
SA521421615B1 (ar) 2024-01-15
AU2019356483A1 (en) 2021-04-15
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CA3112448A1 (en) 2020-04-16
BR112021005357A2 (pt) 2021-06-15
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