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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JP2022507683A (ja
JP2022507683A5 (OSRAM
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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
    • 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
    • H04N19/563—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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    • H04N19/503—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
    • H—ELECTRICITY
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    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
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    • 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • H—ELECTRICITY
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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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    • H04N19/00—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
    • H04N19/127—Prioritisation of hardware or computational resources
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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
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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
    • H04N19/169—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
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    • 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
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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
    • H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation

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  • Physics & Mathematics (AREA)
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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 2019-11-26
US16/695,907 US11146810B2 (en) 2018-11-27 2019-11-26 Decoder-side motion vector refinement
PCT/US2019/063673 WO2020113051A2 (en) 2018-11-27 2019-11-27 Decoder-side motion vector refinement

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EP (1) EP3888358A2 (OSRAM)
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CN (2) CN118741148A (OSRAM)
BR (1) BR112021009606A2 (OSRAM)
CL (1) CL2021001335A1 (OSRAM)
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Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3794824A1 (en) 2018-06-29 2021-03-24 Beijing Bytedance Network Technology Co. Ltd. Conditions for updating luts
WO2020003261A1 (en) 2018-06-29 2020-01-02 Beijing Bytedance Network Technology Co., Ltd. Selection from multiple 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
KR20240007298A (ko) 2018-06-29 2024-01-16 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 Lut에서의 모션 후보들의 검사 순서
KR20240007299A (ko) 2018-06-29 2024-01-16 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 룩업 테이블의 업데이트: fifo, 제약된 fifo
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
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.
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
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
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
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
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
ES2981908T3 (es) * 2019-02-08 2024-10-11 Beijing Dajia Internet Information Tech Co Ltd Métodos y dispositivos para aplicar de forma selectiva el flujo óptico bidireccional y el refinamiento del vector de movimiento en el decodificador para la codificación de video
CN113424538B (zh) 2019-02-14 2025-09-16 北京字节跳动网络技术有限公司 解码器侧细化工具的选择性应用
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
KR20210127709A (ko) * 2019-03-07 2021-10-22 디지털인사이트 주식회사 영상 부호화/복호화 방법 및 장치
EP3937498B1 (en) 2019-03-08 2024-08-14 Sharp Kabushiki Kaisha Dynamic image decoding
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
CN113853793B (zh) 2019-05-21 2023-12-19 北京字节跳动网络技术有限公司 基于光流的帧间编码的语法信令
US20200402546A1 (en) * 2019-06-24 2020-12-24 Seagate Technology Llc Reducing base deck porosity
EP3991432A1 (en) * 2019-07-01 2022-05-04 InterDigital VC Holdings France, SAS Bi-directional optical flow refinement of affine motion compensation
MY209640A (en) 2019-08-10 2025-07-28 Beijing Bytedance Network Tech Co Ltd Subpicture dependent signaling in video bitstreams
EP4026331A4 (en) * 2019-09-30 2022-11-30 Huawei Technologies Co., Ltd. Affine motion model restrictions
WO2021073630A1 (en) 2019-10-18 2021-04-22 Beijing Bytedance Network Technology Co., Ltd. Syntax constraints in parameter set signaling of subpictures
WO2021110017A1 (en) 2019-12-02 2021-06-10 Beijing Bytedance Network Technology Co., Ltd. Merge with motion vector differencing in affine mode
US11399188B2 (en) * 2020-01-01 2022-07-26 Tencent America LLC Method for mixed NAL unit type support in a coded picture
CN115398892B (zh) 2020-03-23 2025-02-28 抖音视界有限公司 仿射merge和仿射运动矢量预测模式的预测细化
CN115567709B (zh) * 2020-07-30 2026-03-24 北京达佳互联信息技术有限公司 对子块中的像素位置处的样点进行编码的方法和装置
CN116158078A (zh) * 2020-08-07 2023-05-23 交互数字Vc控股法国有限公司 将abt与基于vvc子块的编码工具组合
CN116368799A (zh) * 2020-10-15 2023-06-30 北京达佳互联信息技术有限公司 用于帧间编解码的增强型运动估计
CA3198095A1 (en) * 2020-12-22 2022-06-30 Qualcomm Incorporated Multi-pass decoder-side motion vector refinement
US20240187633A1 (en) * 2021-04-21 2024-06-06 Beijing Bytedance Network Technology Co., Ltd. Method, device, and medium for video processing
US20240373042A1 (en) * 2021-04-27 2024-11-07 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
KR20240050408A (ko) * 2021-08-27 2024-04-18 주식회사 윌러스표준기술연구소 움직임 정보를 보정하는 방법 및 이를 위한 장치
CN118592027A (zh) * 2021-11-22 2024-09-03 抖音视界有限公司 用于视频处理的方法、装置和介质
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
KR102480191B1 (ko) * 2016-05-13 2022-12-21 브이아이디 스케일, 인크. 비디오 코딩을 위한 일반화된 다중-가설 예측 시스템 및 방법
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
US10750203B2 (en) * 2016-12-22 2020-08-18 Mediatek Inc. Method and apparatus of adaptive bi-prediction for video coding
WO2018113658A1 (en) * 2016-12-22 2018-06-28 Mediatek Inc. Method and apparatus of motion refinement 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
CN119922330A (zh) 2017-11-01 2025-05-02 交互数字Vc控股公司 用于合并模式的解码器侧运动矢量细化和子块运动导出
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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US20200169748A1 (en) 2020-05-28
EP3888358A2 (en) 2021-10-06
JP2022507683A (ja) 2022-01-18
CN113039787A (zh) 2021-06-25
WO2020113051A3 (en) 2020-07-23
SG11202104085RA (en) 2021-06-29
CL2021001335A1 (es) 2021-12-03
KR102936770B1 (ko) 2026-03-09
CN118741148A (zh) 2024-10-01
US11146810B2 (en) 2021-10-12
BR112021009606A2 (pt) 2021-08-10
KR20210093259A (ko) 2021-07-27
WO2020113051A2 (en) 2020-06-04
CN113039787B (zh) 2024-06-21

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