JP7648786B2 - テンプレートマッチングを使用したｃｕレベルの重みによる双方向予測（ｂｃｗ）のインデックスの並べ替え - Google Patents

テンプレートマッチングを使用したｃｕレベルの重みによる双方向予測（ｂｃｗ）のインデックスの並べ替え Download PDF

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JP7648786B2
JP7648786B2 JP2023553293A JP2023553293A JP7648786B2 JP 7648786 B2 JP7648786 B2 JP 7648786B2 JP 2023553293 A JP2023553293 A JP 2023553293A JP 2023553293 A JP2023553293 A JP 2023553293A JP 7648786 B2 JP7648786 B2 JP 7648786B2
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JP2024509154A (ja
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チェン，リン－フェイ
リー，シャン
リウ，シャン
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Tencent America LLC
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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)
JP2023553293A 2021-11-01 2022-10-26 テンプレートマッチングを使用したｃｕレベルの重みによる双方向予測（ｂｃｗ）のインデックスの並べ替え Active JP7648786B2 (ja)

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JP2025035849A JP2025090674A (ja) 2021-11-01 2025-03-06 テンプレートマッチングを使用したｃｕレベルの重みによる双方向予測（ｂｃｗ）のインデックスの並べ替え

Applications Claiming Priority (7)

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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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JP7648786B2 true JP7648786B2 (ja) 2025-03-18

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JP2025035849A Pending JP2025090674A (ja) 2021-11-01 2025-03-06 テンプレートマッチングを使用したｃｕレベルの重みによる双方向予測（ｂｃｗ）のインデックスの並べ替え

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EP (1) EP4427461A4 (enExample)
JP (2) JP7648786B2 (enExample)
KR (1) KR20230117615A (enExample)
CN (1) CN116998152A (enExample)
WO (1) WO2023076948A1 (enExample)

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CN119013985A (zh) * 2022-04-12 2024-11-22 杜比实验室特许公司 模板匹配在视频编码中的应用
WO2023236916A1 (en) * 2022-06-06 2023-12-14 Mediatek Inc. Updating motion attributes of merge candidates
CA3222733A1 (en) * 2022-12-09 2024-06-09 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
WO2024256199A1 (en) * 2023-06-13 2024-12-19 Interdigital Ce Patent Holdings, Sas Regressive-based affine bi-prediction weights
WO2025061063A1 (en) * 2023-09-19 2025-03-27 Douyin Vision Co., Ltd. Method, apparatus, and medium for video processing
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
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
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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JP2019519148A (ja) 2016-05-13 2019-07-04 ヴィド スケール インコーポレイテッド ビデオ符号化のための一般化された多重仮説予測（Ｇｅｎｅｒａｌｉｚｅｄ Ｍｕｌｔｉ−Ｈｙｐｏｔｈｅｓｉｓ Ｐｒｅｄｉｃｔｉｏｎ）のためのシステムおよび方法
WO2020116241A1 (ja) 2018-12-07 2020-06-11 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法及び復号方法
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TWI719526B (zh) * 2018-07-02 2021-02-21 大陸商北京字節跳動網絡技術有限公司 查找表的更新
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JP2019519148A (ja) 2016-05-13 2019-07-04 ヴィド スケール インコーポレイテッド ビデオ符号化のための一般化された多重仮説予測（Ｇｅｎｅｒａｌｉｚｅｄ Ｍｕｌｔｉ−Ｈｙｐｏｔｈｅｓｉｓ Ｐｒｅｄｉｃｔｉｏｎ）のためのシステムおよび方法
WO2020116241A1 (ja) 2018-12-07 2020-06-11 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法及び復号方法
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CN116998152A (zh) 2023-11-03
KR20230117615A (ko) 2023-08-08
WO2023076948A1 (en) 2023-05-04
JP2024509154A (ja) 2024-02-29
US20230135378A1 (en) 2023-05-04
US20240422349A1 (en) 2024-12-19
EP4427461A1 (en) 2024-09-11
EP4427461A4 (en) 2025-02-26
JP2025090674A (ja) 2025-06-17
US12108076B2 (en) 2024-10-01

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