KR20250020687A - 어파인 움직임 예측에 기반한 영상 코딩 방법 및 그 장치 - Google Patents

어파인 움직임 예측에 기반한 영상 코딩 방법 및 그 장치 Download PDF

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KR20250020687A
KR20250020687A KR1020257001941A KR20257001941A KR20250020687A KR 20250020687 A KR20250020687 A KR 20250020687A KR 1020257001941 A KR1020257001941 A KR 1020257001941A KR 20257001941 A KR20257001941 A KR 20257001941A KR 20250020687 A KR20250020687 A KR 20250020687A
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affine
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이재호
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광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드
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Publication of KR20250020687A publication Critical patent/KR20250020687A/ko
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/53Multi-resolution motion estimation; Hierarchical motion estimation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/537Motion estimation other than block-based
    • H04N19/54Motion estimation other than block-based using feature points or meshes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/13Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • H04N19/137Motion inside a coding unit, e.g. average field, frame or block difference
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46Embedding additional information in the video signal during the compression process
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • H04N19/517Processing of motion vectors by encoding
    • H04N19/52Processing of motion vectors by encoding by predictive encoding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/527Global motion vector estimation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/537Motion estimation other than block-based
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020257001941A 2018-04-01 2019-04-01 어파인 움직임 예측에 기반한 영상 코딩 방법 및 그 장치 Pending KR20250020687A (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201862651244P 2018-04-01 2018-04-01
US62/651,244 2018-04-01
KR1020237027747A KR102766976B1 (ko) 2018-04-01 2019-04-01 어파인 움직임 예측에 기반한 영상 코딩 방법 및 그 장치
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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KR20250020687A true KR20250020687A (ko) 2025-02-11

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KR1020257001941A Pending KR20250020687A (ko) 2018-04-01 2019-04-01 어파인 움직임 예측에 기반한 영상 코딩 방법 및 그 장치
KR1020257001936A Pending KR20250020686A (ko) 2018-04-01 2019-04-01 어파인 움직임 예측에 기반한 영상 코딩 방법 및 그 장치
KR1020207025162A Active KR102455561B1 (ko) 2018-04-01 2019-04-01 어파인 움직임 예측에 기반한 영상 코딩 방법 및 그 장치
KR1020227035558A Active KR102568879B1 (ko) 2018-04-01 2019-04-01 어파인 움직임 예측에 기반한 영상 코딩 방법 및 그 장치
KR1020237027747A Active KR102766976B1 (ko) 2018-04-01 2019-04-01 어파인 움직임 예측에 기반한 영상 코딩 방법 및 그 장치

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KR1020207025162A Active KR102455561B1 (ko) 2018-04-01 2019-04-01 어파인 움직임 예측에 기반한 영상 코딩 방법 및 그 장치
KR1020227035558A Active KR102568879B1 (ko) 2018-04-01 2019-04-01 어파인 움직임 예측에 기반한 영상 코딩 방법 및 그 장치
KR1020237027747A Active KR102766976B1 (ko) 2018-04-01 2019-04-01 어파인 움직임 예측에 기반한 영상 코딩 방법 및 그 장치

Country Status (6)

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US (4) US11323696B2 (https=)
EP (2) EP4440113A3 (https=)
JP (5) JP7675646B2 (https=)
KR (5) KR20250020687A (https=)
CN (5) CN116684590A (https=)
WO (1) WO2019194507A1 (https=)

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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
EP3997869A4 (en) 2019-08-10 2022-10-26 Beijing Bytedance Network Technology Co., Ltd. Subpicture dependent signaling in video bitstreams
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
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US12081739B2 (en) 2024-09-03
WO2019194507A1 (ko) 2019-10-10
JP7728422B2 (ja) 2025-08-22
CN116684639B (zh) 2025-12-09
EP3761644A4 (en) 2021-01-20
CN112042198A (zh) 2020-12-04
CN116781929A (zh) 2023-09-19
EP4440113A3 (en) 2024-12-25
KR20220143964A (ko) 2022-10-25
CN112042198B (zh) 2023-08-08
CN116684590A (zh) 2023-09-01
KR20250020686A (ko) 2025-02-11
US11611744B2 (en) 2023-03-21
US20210021813A1 (en) 2021-01-21
JP2021517797A (ja) 2021-07-26
KR20230124767A (ko) 2023-08-25
KR102455561B1 (ko) 2022-10-17
US11323696B2 (en) 2022-05-03
KR102568879B1 (ko) 2023-08-21
CN116684638A (zh) 2023-09-01
US20240406377A1 (en) 2024-12-05
CN116684638B (zh) 2025-12-09
US20230209044A1 (en) 2023-06-29
JP2024169734A (ja) 2024-12-05
EP3761644A1 (en) 2021-01-06
CN116684639A (zh) 2023-09-01
JP2024019534A (ja) 2024-02-09
JP7675646B2 (ja) 2025-05-13
JP2023010845A (ja) 2023-01-20
KR102766976B1 (ko) 2025-02-14
JP7404488B2 (ja) 2023-12-25
JP7565425B2 (ja) 2024-10-10
EP4440113A2 (en) 2024-10-02
CN116781929B (zh) 2026-02-10
KR20200108084A (ko) 2020-09-16
US20220224889A1 (en) 2022-07-14
JP2025156590A (ja) 2025-10-14

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