KR20230117615A - 템플릿 매칭을 사용하여 cu-레벨 가중치를 사용한 양방향예측(bcw)의 인덱스 재정렬 - Google Patents

템플릿 매칭을 사용하여 cu-레벨 가중치를 사용한 양방향예측(bcw)의 인덱스 재정렬 Download PDF

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KR20230117615A
KR20230117615A KR1020237023528A KR20237023528A KR20230117615A KR 20230117615 A KR20230117615 A KR 20230117615A KR 1020237023528 A KR1020237023528 A KR 1020237023528A KR 20237023528 A KR20237023528 A KR 20237023528A KR 20230117615 A KR20230117615 A KR 20230117615A
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template
bcw
current
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current block
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Korean (ko)
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리옌-페이 전
샹 리
샨 리우
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텐센트 아메리카 엘엘씨
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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
    • H04N19/577—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
    • H04N19/10—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
    • H04N19/134—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
    • 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
    • H04N19/50—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
    • H04N19/513—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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/88—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving rearrangement of data among different coding units, e.g. shuffling, interleaving, scrambling or permutation of pixel data or permutation of transform coefficient data among different blocks

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020237023528A 2021-11-01 2022-10-26 템플릿 매칭을 사용하여 cu-레벨 가중치를 사용한 양방향예측(bcw)의 인덱스 재정렬 Pending KR20230117615A (ko)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US202163274286P 2021-11-01 2021-11-01
US63/274,286 2021-11-01
US202163289135P 2021-12-13 2021-12-13
US63/289,135 2021-12-13
US17/971,255 US12108076B2 (en) 2021-11-01 2022-10-21 Index reordering of bi-prediction with CU-level weight (BCW) by using template-matching
US17/971,255 2022-10-21
PCT/US2022/078714 WO2023076948A1 (en) 2021-11-01 2022-10-26 Index reordering of bi-prediction with cu-level weight (bcw) by using template-matching

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KR20230117615A true KR20230117615A (ko) 2023-08-08

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KR1020237023528A Pending KR20230117615A (ko) 2021-11-01 2022-10-26 템플릿 매칭을 사용하여 cu-레벨 가중치를 사용한 양방향예측(bcw)의 인덱스 재정렬

Country Status (6)

Country Link
US (2) US12108076B2 (https=)
EP (1) EP4427461A4 (https=)
JP (2) JP7648786B2 (https=)
KR (1) KR20230117615A (https=)
CN (1) CN116998152A (https=)
WO (1) WO2023076948A1 (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025121832A1 (ko) * 2023-12-04 2025-06-12 주식회사 아틴스 템플릿 매칭 이용한 참조 블록 설정 방법, 이를 수행하기 위한 영상 부호화 및 복호화 장치
WO2025211882A1 (ko) * 2024-04-05 2025-10-09 한국전자통신연구원 어파인 예측 모드를 포함하는 영상 부호화/복호화 방법, 장치 및 비트스트림 저장 매체

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EP4508865A1 (en) * 2022-04-12 2025-02-19 Dolby Laboratories Licensing Corporation Applications of template matching in video coding
US20250330568A1 (en) * 2022-06-06 2025-10-23 Mediatek Inc. Updating motion attributes of merge candidates
EP4383717A1 (en) * 2022-12-09 2024-06-12 Comcast Cable Communications LLC Coding unit prediction using template matching costs
US20240364863A1 (en) * 2023-04-25 2024-10-31 Tencent America LLC Bi-predictive block vector with cu-level weight in ibc
CN121359456A (zh) * 2023-06-13 2026-01-16 交互数字Ce专利控股有限公司 基于回归的仿射双向预测权重
CN121866766A (zh) * 2023-09-19 2026-04-14 抖音视界有限公司 用于视频处理的方法、装置和介质
WO2025134860A1 (en) * 2023-12-21 2025-06-26 Sharp Kabushiki Kaisha Video decoding apparatus, video coding apparatus
US20250227241A1 (en) * 2024-01-09 2025-07-10 Alibaba (China) Co., Ltd. Template-matching-based subblock motion refinement for motion prediction
WO2025152710A1 (en) * 2024-01-17 2025-07-24 Mediatek Inc. Methods and apparatus of using template matching for mv refinement or candidate reordering for video coding

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EP4060992B1 (en) * 2016-05-13 2025-07-02 InterDigital VC Holdings, Inc. Systems and methods for generalized multi-hypothesis prediction for video coding
US10805631B2 (en) 2016-09-23 2020-10-13 Lg Electronics Inc. Method and apparatus for performing prediction using template-based weight
US10951912B2 (en) * 2016-10-05 2021-03-16 Qualcomm Incorporated Systems and methods for adaptive selection of weights for video coding
US11184636B2 (en) 2017-06-28 2021-11-23 Sharp Kabushiki Kaisha Video encoding device and video decoding device
WO2020008346A1 (en) * 2018-07-02 2020-01-09 Beijing Bytedance Network Technology Co., Ltd. Rules on updating luts
CN118042116A (zh) * 2018-12-07 2024-05-14 松下电器（美国）知识产权公司 编码装置、解码装置、编码方法、解码方法和计算机可读取介质
EP4307667A3 (en) * 2018-12-21 2024-03-20 Beijing Bytedance Network Technology Co., Ltd. Motion vector precision in merge with motion vector difference mode
US11190797B2 (en) 2019-03-01 2021-11-30 Qualcomm Incorporated Constraints on decoder-side motion vector refinement based on weights for bi-predicted prediction
US11477437B2 (en) * 2021-01-28 2022-10-18 Lemon Inc. Coding of motion information

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025121832A1 (ko) * 2023-12-04 2025-06-12 주식회사 아틴스 템플릿 매칭 이용한 참조 블록 설정 방법, 이를 수행하기 위한 영상 부호화 및 복호화 장치
WO2025211882A1 (ko) * 2024-04-05 2025-10-09 한국전자통신연구원 어파인 예측 모드를 포함하는 영상 부호화/복호화 방법, 장치 및 비트스트림 저장 매체

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Publication number Publication date
US20230135378A1 (en) 2023-05-04
JP7648786B2 (ja) 2025-03-18
EP4427461A1 (en) 2024-09-11
CN116998152A (zh) 2023-11-03
JP2025090674A (ja) 2025-06-17
WO2023076948A1 (en) 2023-05-04
US20240422349A1 (en) 2024-12-19
EP4427461A4 (en) 2025-02-26
JP2024509154A (ja) 2024-02-29
US12108076B2 (en) 2024-10-01

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