JP7675646B2 - アフィン動き予測に基づく映像コーディング方法及び装置 - Google Patents

アフィン動き予測に基づく映像コーディング方法及び装置 Download PDF

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JP7675646B2
JP7675646B2 JP2021502682A JP2021502682A JP7675646B2 JP 7675646 B2 JP7675646 B2 JP 7675646B2 JP 2021502682 A JP2021502682 A JP 2021502682A JP 2021502682 A JP2021502682 A JP 2021502682A JP 7675646 B2 JP7675646 B2 JP 7675646B2
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JP2021517797A (ja
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チェホ イ
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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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
    • H04N19/53—Multi-resolution motion estimation; Hierarchical motion estimation
    • 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
    • H04N19/537—Motion estimation other than block-based
    • H04N19/54—Motion estimation other than block-based using feature points or meshes
    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/50—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
    • H04N19/527—Global motion vector estimation
    • 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
    • H04N19/537—Motion estimation other than block-based
    • 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

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  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2021502682A 2018-04-01 2019-04-01 アフィン動き予測に基づく映像コーディング方法及び装置 Active JP7675646B2 (ja)

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JP2022185636A JP7404488B2 (ja) 2018-04-01 2022-11-21 アフィン動き予測に基づく映像コーディング方法及び装置
JP2023210128A JP7565425B2 (ja) 2018-04-01 2023-12-13 アフィン動き予測に基づく映像コーディング方法及び装置
JP2024169443A JP7728422B2 (ja) 2018-04-01 2024-09-27 アフィン動き予測に基づく映像コーディング方法及び装置
JP2025134172A JP2025156590A (ja) 2018-04-01 2025-08-12 アフィン動き予測に基づく映像コーディング方法及び装置

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US201862651244P 2018-04-01 2018-04-01
US62/651,244 2018-04-01
PCT/KR2019/003816 WO2019194507A1 (ko) 2018-04-01 2019-04-01 어파인 움직임 예측에 기반한 영상 코딩 방법 및 그 장치

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JP2024169443A Active JP7728422B2 (ja) 2018-04-01 2024-09-27 アフィン動き予測に基づく映像コーディング方法及び装置
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US (4) US11323696B2 (enExample)
EP (2) EP3761644A4 (enExample)
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KR (5) KR102455561B1 (enExample)
CN (5) CN116684638B (enExample)
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WO2020050281A1 (ja) * 2018-09-06 2020-03-12 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、および復号方法
CN118450122A (zh) * 2019-03-11 2024-08-06 松下电器（美国）知识产权公司 比特流的发送装置、比特流的发送方法和非暂时性存储介质
WO2020233660A1 (en) 2019-05-21 2020-11-26 Beijing Bytedance Network Technology Co., Ltd. Syntax-based motion candidate derivation in sub-block merge mode
KR20220044271A (ko) 2019-08-10 2022-04-07 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 비디오 비트스트림들에서의 서브픽처 의존적 시그널링
CN114631321B (zh) 2019-10-18 2024-04-12 北京字节跳动网络技术有限公司 子图片与环路滤波之间的相互影响
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
KR20220157950A (ko) 2020-03-23 2022-11-29 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 어파인 머지 및 어파인 모션 벡터 예측 모드에 대한 예측 리파인먼트
EP4315860A4 (en) * 2021-03-29 2025-02-19 Beijing Dajia Internet Information Technology Co., Ltd. Overlapped block motion compensation for inter prediction
CN119999186A (zh) * 2022-07-22 2025-05-13 联发科技股份有限公司 仿射候选细化

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KR20220143964A (ko) 2022-10-25
JP7404488B2 (ja) 2023-12-25
KR20230124767A (ko) 2023-08-25
JP2025156590A (ja) 2025-10-14
JP2021517797A (ja) 2021-07-26
JP7728422B2 (ja) 2025-08-22
EP4440113A2 (en) 2024-10-02
US20230209044A1 (en) 2023-06-29
CN116684638A (zh) 2023-09-01
KR20250020686A (ko) 2025-02-11
EP3761644A1 (en) 2021-01-06
JP2024019534A (ja) 2024-02-09
WO2019194507A1 (ko) 2019-10-10
EP3761644A4 (en) 2021-01-20
JP2023010845A (ja) 2023-01-20
CN116684639A (zh) 2023-09-01
US20240406377A1 (en) 2024-12-05
CN116781929A (zh) 2023-09-19
US20220224889A1 (en) 2022-07-14
US12081739B2 (en) 2024-09-03
US20210021813A1 (en) 2021-01-21
CN112042198A (zh) 2020-12-04
CN116684638B (zh) 2025-12-09
KR20200108084A (ko) 2020-09-16
KR102766976B1 (ko) 2025-02-14
EP4440113A3 (en) 2024-12-25
US11323696B2 (en) 2022-05-03
CN116684639B (zh) 2025-12-09
CN112042198B (zh) 2023-08-08
KR102568879B1 (ko) 2023-08-21
KR102455561B1 (ko) 2022-10-17
JP2024169734A (ja) 2024-12-05
KR20250020687A (ko) 2025-02-11
US11611744B2 (en) 2023-03-21
CN116684590A (zh) 2023-09-01
JP7565425B2 (ja) 2024-10-10

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