JP7446297B2 - デコーダ側動きベクトル改良 - Google Patents

デコーダ側動きベクトル改良 Download PDF

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JP7446297B2
JP7446297B2 JP2021527074A JP2021527074A JP7446297B2 JP 7446297 B2 JP7446297 B2 JP 7446297B2 JP 2021527074 A JP2021527074 A JP 2021527074A JP 2021527074 A JP2021527074 A JP 2021527074A JP 7446297 B2 JP7446297 B2 JP 7446297B2
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dmvr
motion vector
samples
video
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チェン、チュン－チ
チェン、ウェイ－ジュン
フン、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
    • H04N19/521—Processing of motion vectors for estimating the reliability of the determined motion vectors or motion vector field, e.g. for smoothing the motion vector field or for correcting motion vectors
    • H—ELECTRICITY
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    • 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
    • H04N19/563—Motion estimation with padding, i.e. with filling of non-object values in an arbitrarily shaped picture block or region for estimation purposes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • H04N19/51—Motion estimation or motion compensation
    • H—ELECTRICITY
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    • 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
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    • 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
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • H—ELECTRICITY
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    • 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
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    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • H—ELECTRICITY
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    • 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
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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
    • H04N19/513—Processing of motion vectors
    • H—ELECTRICITY
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    • 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
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    • 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
    • H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
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    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation

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JP2021527074A 2018-11-27 2019-11-27 デコーダ側動きベクトル改良 Active JP7446297B2 (ja)

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US201862771960P 2018-11-27 2018-11-27
US62/771,960 2018-11-27
US16/695,907 US11146810B2 (en) 2018-11-27 2019-11-26 Decoder-side motion vector refinement
US16/695,907 2019-11-26
PCT/US2019/063673 WO2020113051A2 (en) 2018-11-27 2019-11-27 Decoder-side motion vector refinement

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Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20240005239A (ko) 2018-06-29 2024-01-11 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 Lut와 amvp 사이의 상호작용
CN110662059B (zh) 2018-06-29 2021-04-20 北京字节跳动网络技术有限公司 使用查找表存储先前编码的运动信息并用其编码后续块的方法和装置
KR102660666B1 (ko) 2018-06-29 2024-04-26 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 Lut들을 업데이트하기 위한 조건들
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
AU2019293670B2 (en) 2018-06-29 2023-06-08 Beijing Bytedance Network Technology Co., Ltd. Update of look up table: FIFO, constrained FIFO
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.
EP4322533A3 (en) 2018-06-29 2024-03-06 Beijing Bytedance Network Technology Co., Ltd. Checking order of motion candidates in lut
WO2020003265A1 (en) 2018-06-29 2020-01-02 Beijing Bytedance Network Technology Co., Ltd. Conditions of usage of luts
WO2020008346A1 (en) 2018-07-02 2020-01-09 Beijing Bytedance Network Technology Co., Ltd. Rules on updating luts
TWI820211B (zh) 2018-09-12 2023-11-01 大陸商北京字節跳動網絡技術有限公司 取決於總數減去k的開始檢查hmvp候選的條件
JP7005480B2 (ja) * 2018-12-27 2022-01-21 Kddi株式会社 画像復号装置、画像符号化装置、プログラム及び画像処理システム
US11102476B2 (en) * 2018-12-28 2021-08-24 Qualcomm Incorporated Subblock based affine motion model
US11431987B2 (en) * 2019-01-08 2022-08-30 Tencent America LLC Method and apparatus for memory bandwidth reduction for small inter blocks
WO2020143741A1 (en) * 2019-01-10 2020-07-16 Beijing Bytedance Network Technology Co., Ltd. Invoke of lut updating
WO2020143824A1 (en) 2019-01-13 2020-07-16 Beijing Bytedance Network Technology Co., Ltd. Interaction between lut and shared merge list
WO2020147773A1 (en) 2019-01-16 2020-07-23 Beijing Bytedance Network Technology Co., Ltd. Inserting order of motion candidates in lut
CN113383548B (zh) 2019-02-03 2026-02-27 北京字节跳动网络技术有限公司 Mv精度和mv差编解码之间的相互作用
JP7232345B2 (ja) * 2019-02-08 2023-03-02 ベイジン・ダジア・インターネット・インフォメーション・テクノロジー・カンパニー，リミテッド ビデオ符号化のための双方向オプティカルフローおよびデコーダ側動きベクトル補正を選択的に適用する方法およびデバイス
CN121309818A (zh) 2019-02-14 2026-01-09 北京字节跳动网络技术有限公司 基于处理参数的解码器侧运动推导
CN112425160B (zh) 2019-02-26 2023-05-12 苹果公司 用于对视频信号进行编码/解码的方法及其设备
US11166015B2 (en) * 2019-03-06 2021-11-02 Tencent America LLC Method and apparatus for video coding
CN120529070A (zh) * 2019-03-07 2025-08-22 数字洞察力有限公司 图像编码/解码方法和传输比特流的方法
CN113557740B (zh) 2019-03-08 2025-10-31 夏普株式会社 运动图像解码装置、运动图像编码装置以及运动图像解码方法
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
SG11202112279WA (en) 2019-05-11 2021-12-30 Beijing Bytedance Network Technology Co Ltd Selective use of coding tools in video processing
WO2020233659A1 (en) 2019-05-21 2020-11-26 Beijing Bytedance Network Technology Co., Ltd. Adaptive motion vector difference resolution for affine mode
US20200402546A1 (en) * 2019-06-24 2020-12-24 Seagate Technology Llc Reducing base deck porosity
US12238279B2 (en) * 2019-07-01 2025-02-25 Interdigital Ce Patent Holdings, Sas Bi-prediction refinement in affine with optical flow
CN117336468A (zh) 2019-08-10 2024-01-02 北京字节跳动网络技术有限公司 视频比特流中的子图片相关信令通知
BR112022005408A2 (pt) * 2019-09-30 2022-11-29 Huawei Tech Co Ltd Restrições de modelo de movimento afim que reduzem número de linhas de referência buscadas durante processamento de uma linha de bloco com filtro de interpolação aprimorado
EP4032290A4 (en) 2019-10-18 2022-11-30 Beijing Bytedance Network Technology Co., Ltd. SYNTAX RESTRICTIONS IN PARAMETER SET SIGNALING OF SUBPICTURES
CN115280774B (zh) 2019-12-02 2025-08-19 抖音视界有限公司 视觉媒体处理的方法、装置及非暂时性计算机可读存储介质
US11399188B2 (en) * 2020-01-01 2022-07-26 Tencent America LLC Method for mixed NAL unit type support in a coded picture
WO2021190464A1 (en) 2020-03-23 2021-09-30 Beijing Bytedance Network Technology Co., Ltd. Controlling deblocking filtering at different levels in coded video
CN114342390B (zh) * 2020-07-30 2022-10-28 北京达佳互联信息技术有限公司 用于仿射运动补偿的预测细化的方法和装置
US12401790B2 (en) * 2020-08-07 2025-08-26 Interdigital Madison Patent Holdings, Sas Combining ABT with VVC sub-block-based coding tools
WO2022082053A1 (en) 2020-10-15 2022-04-21 Beijing Dajia Internet Information Technology Co., Ltd. Enhanced motion estimation for inter coding
JP7832938B2 (ja) * 2020-12-22 2026-03-18 クアルコム，インコーポレイテッド マルチパスデコーダ側動きベクトル改良
CN117337567A (zh) * 2021-04-21 2024-01-02 抖音视界有限公司 用于视频处理的方法、设备和介质
US20240214606A1 (en) * 2021-04-27 2024-06-27 Beijing Bytedance Network Technology Co., Ltd. Method, device, and medium for video processing
US12212736B2 (en) * 2021-06-30 2025-01-28 Qualcomm Incorporated Using unrefined motion vectors for performing decoder-side motion vector derivation
WO2023027564A1 (ko) * 2021-08-27 2023-03-02 주식회사 윌러스표준기술연구소 움직임 정보를 보정하는 방법 및 이를 위한 장치
WO2023088472A1 (en) * 2021-11-22 2023-05-25 Beijing Bytedance Network Technology Co., Ltd. Method, apparatus, and medium for video processing
US11616970B1 (en) * 2022-01-25 2023-03-28 Mediatek Inc. Motion vector refinement apparatus having motion vector predictor derivation circuit that is allowed to start new task without waiting for motion vector difference computation and associated motion vector refinement method
EP4500859A4 (en) * 2022-03-28 2026-04-01 Beijing Dajia Internet Information Tech Co Ltd METHODS AND DEVICES FOR DERIVATING CANDIDATES FOR AN AFFINE FUSION MODE IN VIDEO CODING
US12477141B2 (en) 2022-07-18 2025-11-18 Tencent America LLC Method for affine motion refinement
US12556736B2 (en) * 2022-10-10 2026-02-17 Tencent America LLC Method and apparatus for extended decoder side motion vector refinement
US12470750B2 (en) * 2023-04-14 2025-11-11 Tencent America LLC Systems and methods for window error estimation improvement in temporal filter
CN117579833B (zh) * 2024-01-12 2024-04-05 合肥六角形半导体有限公司 一种视频压缩电路及芯片

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190132606A1 (en) 2017-11-02 2019-05-02 Mediatek Inc. Method and apparatus for video coding

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI0818444A2 (pt) * 2007-10-12 2016-10-11 Qualcomm Inc codificação adaptativa de informação de cabeçalho de bloco de vídeo
US8208563B2 (en) * 2008-04-23 2012-06-26 Qualcomm Incorporated Boundary artifact correction within video units
US9503720B2 (en) * 2012-03-16 2016-11-22 Qualcomm Incorporated Motion vector coding and bi-prediction in HEVC and its extensions
EP4060992B1 (en) * 2016-05-13 2025-07-02 InterDigital VC Holdings, Inc. Systems and methods for generalized multi-hypothesis prediction for video coding
US20170339405A1 (en) * 2016-05-20 2017-11-23 Arris Enterprises Llc System and method for intra coding
US11638027B2 (en) * 2016-08-08 2023-04-25 Hfi Innovation, Inc. Pattern-based motion vector derivation for video coding
US10965955B2 (en) * 2016-12-22 2021-03-30 Mediatek Inc. Method and apparatus of motion refinement for video coding
US10750203B2 (en) * 2016-12-22 2020-08-18 Mediatek Inc. Method and apparatus of adaptive bi-prediction for video coding
EP3560202A4 (en) * 2016-12-27 2020-07-29 MediaTek Inc. BILATERAL MODEL MV REFINEMENT PROCESS AND APPARATUS INTENDED FOR VIDEO CODING
US12063387B2 (en) * 2017-01-05 2024-08-13 Hfi Innovation Inc. Decoder-side motion vector restoration for video coding
US20180199057A1 (en) * 2017-01-12 2018-07-12 Mediatek Inc. Method and Apparatus of Candidate Skipping for Predictor Refinement in Video Coding
US20180332298A1 (en) * 2017-05-10 2018-11-15 Futurewei Technologies, Inc. Bidirectional Prediction In Video Compression
US10602180B2 (en) 2017-06-13 2020-03-24 Qualcomm Incorporated Motion vector prediction
US10477237B2 (en) * 2017-06-28 2019-11-12 Futurewei Technologies, Inc. Decoder side motion vector refinement in video coding
EP3685583A1 (en) 2017-10-09 2020-07-29 Huawei Technologies Co., Ltd. Template update for motion vector refinement
WO2019089933A1 (en) 2017-11-01 2019-05-09 Vid Scale, Inc. Sub-block motion derivation and decoder-side motion vector refinement for merge mode
US11310526B2 (en) 2018-01-26 2022-04-19 Mediatek Inc. Hardware friendly constrained motion vector refinement
TWI719519B (zh) * 2018-07-02 2021-02-21 大陸商北京字節跳動網絡技術有限公司 對於dmvr的塊尺寸限制
US10958934B2 (en) * 2018-07-27 2021-03-23 Tencent America LLC History-based affine merge and motion vector prediction

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190132606A1 (en) 2017-11-02 2019-05-02 Mediatek Inc. Method and apparatus for video coding

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
Chao-Hsiung Hung, Wei-Jung Chien, and Marta Karczewicz，CE9: BIO gradient calculation improvement (Test 9.5.4)，Joint Video Exploration Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JVET-K0119，11th Meeting: Ljubljana, Slovenia，2018年07月，pp.1-3
Hongbin Liu, et al.，CE9: Simplification of Decoder Side Motion Vector Derivation (Test 9.2.9)，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JVET-L0267-v1，12th Meeting: Macao, CN，2018年09月，pp.1-4
Semih Esenlik, et al.，CE9: Report on the results of tests CE9.2.15 and CE9.2.16，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JVET-L0163，12th Meeting: Macao, CN，2018年10月，pp.1-7
Tadamasa Toma, et al.，Description of SDR video coding technology proposal by Panasonic，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JVET-J0020-v1，10th Meeting: San Diego, US，2018年04月，pp.10-11,49-51

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US11146810B2 (en) 2021-10-12
US20200169748A1 (en) 2020-05-28
KR20210093259A (ko) 2021-07-27
KR102936770B1 (ko) 2026-03-09
WO2020113051A3 (en) 2020-07-23
BR112021009606A2 (pt) 2021-08-10
CN113039787A (zh) 2021-06-25
EP3888358A2 (en) 2021-10-06
WO2020113051A2 (en) 2020-06-04
SG11202104085RA (en) 2021-06-29
CL2021001335A1 (es) 2021-12-03
CN118741148A (zh) 2024-10-01
JP2022507683A (ja) 2022-01-18

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