JP2022549008A - 双方向オプティカルフローのための切り替え論理 - Google Patents

双方向オプティカルフローのための切り替え論理 Download PDF

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JP2022549008A
JP2022549008A JP2022518773A JP2022518773A JP2022549008A JP 2022549008 A JP2022549008 A JP 2022549008A JP 2022518773 A JP2022518773 A JP 2022518773A JP 2022518773 A JP2022518773 A JP 2022518773A JP 2022549008 A JP2022549008 A JP 2022549008A
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coding block
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JPWO2021061764A5 (https=
JP2022549008A5 (https=
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チェン、ウェイ
フ、ユーウェン
ヤン、ホア
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ヴィド スケール インコーポレイテッド
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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
    • 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • 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
    • H04N19/577—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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2022518773A 2019-09-23 2020-09-23 双方向オプティカルフローのための切り替え論理 Pending JP2022549008A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962904234P 2019-09-23 2019-09-23
US62/904,234 2019-09-23
PCT/US2020/052207 WO2021061764A1 (en) 2019-09-23 2020-09-23 Switching logic for bi-directional optical flow

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JP2022549008A true JP2022549008A (ja) 2022-11-22
JPWO2021061764A5 JPWO2021061764A5 (https=) 2023-10-03
JP2022549008A5 JP2022549008A5 (https=) 2023-10-03

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US (2) US12200190B2 (https=)
EP (1) EP4035373A1 (https=)
JP (1) JP2022549008A (https=)
CN (1) CN114556945A (https=)
WO (1) WO2021061764A1 (https=)

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EP3751855A4 (en) * 2018-02-06 2021-03-10 Panasonic Intellectual Property Corporation of America CODING DEVICE, DECODING DEVICE, CODING METHOD AND DECODING METHOD
US12200190B2 (en) * 2019-09-23 2025-01-14 Interdigtal Vc Holdings, Inc. Switching logic for bi-directional optical flow

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WO2018199050A1 (ja) * 2017-04-27 2018-11-01 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
WO2019072425A1 (en) * 2017-10-09 2019-04-18 Huawei Technologies Co., Ltd. MEMORY ACCESS WINDOW FOR MOTION VECTOR REFINEMENT
US20190238883A1 (en) * 2018-01-26 2019-08-01 Mediatek Inc. Hardware Friendly Constrained Motion Vector Refinement

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PL3595311T3 (pl) * 2009-10-01 2021-01-25 Sk Telecom Co., Ltd Sposób i urządzenie do kodowania/dekodowania obrazu z zastosowaniem makrobloków o zmiennym rozmiarze
JP5711098B2 (ja) * 2011-11-07 2015-04-30 日本電信電話株式会社 画像符号化方法，画像復号方法，画像符号化装置，画像復号装置およびそれらのプログラム
WO2013094960A1 (ko) * 2011-12-23 2013-06-27 한국전자통신연구원 시간적 머징 후보의 참조 픽쳐 인덱스 설정 방법 및 장치
WO2013104713A1 (en) * 2012-01-13 2013-07-18 Thomson Licensing Method and device for coding an image block, corresponding method and decoding device
MX363952B (es) * 2012-04-13 2019-04-08 Mitsubishi Electric Corp Dispositivo de codificacion de imagen, dispositivo de decodificacion de imagen, metodo de codificacion de imagen, y metodo de decodificacion de imagen.
US9591302B2 (en) * 2012-07-02 2017-03-07 Microsoft Technology Licensing, Llc Use of chroma quantization parameter offsets in deblocking
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KR20180014675A (ko) * 2016-08-01 2018-02-09 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
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JP2013529875A (ja) * 2010-06-25 2013-07-22 クゥアルコム・インコーポレイテッド 圧縮ビットストリームへの交換補間フィルタ係数の組み込み
WO2018199050A1 (ja) * 2017-04-27 2018-11-01 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
WO2019072425A1 (en) * 2017-10-09 2019-04-18 Huawei Technologies Co., Ltd. MEMORY ACCESS WINDOW FOR MOTION VECTOR REFINEMENT
US20190238883A1 (en) * 2018-01-26 2019-08-01 Mediatek Inc. Hardware Friendly Constrained Motion Vector Refinement

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US20250203066A1 (en) 2025-06-19
US20220377316A1 (en) 2022-11-24
US12200190B2 (en) 2025-01-14
WO2021061764A1 (en) 2021-04-01
CN114556945A (zh) 2022-05-27
EP4035373A1 (en) 2022-08-03

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