KR102455561B1 - 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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KR102455561B1
KR102455561B1 KR1020207025162A KR20207025162A KR102455561B1 KR 102455561 B1 KR102455561 B1 KR 102455561B1 KR 1020207025162 A KR1020207025162 A KR 1020207025162A KR 20207025162 A KR20207025162 A KR 20207025162A KR 102455561 B1 KR102455561 B1 KR 102455561B1
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이재호
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엘지전자 주식회사
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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
    • H04N19/537—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
    • H04N19/50—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
    • H04N19/513—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
    • H04N19/10—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
    • H04N19/527—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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KR1020207025162A 2018-04-01 2019-04-01 어파인 움직임 예측에 기반한 영상 코딩 방법 및 그 장치 Active KR102455561B1 (ko)

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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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KR1020207025162A Active KR102455561B1 (ko) 2018-04-01 2019-04-01 어파인 움직임 예측에 기반한 영상 코딩 방법 및 그 장치
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
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KR1020257001936A Pending KR20250020686A (ko) 2018-04-01 2019-04-01 어파인 움직임 예측에 기반한 영상 코딩 방법 및 그 장치
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US (4) US11323696B2 (enExample)
EP (2) EP4440113A3 (enExample)
JP (5) JP7675646B2 (enExample)
KR (5) KR102568879B1 (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
CN118573853A (zh) * 2019-03-11 2024-08-30 松下电器（美国）知识产权公司 编码装置、解码装置、编码方法、解码方法和非暂时性存储介质
WO2020233662A1 (en) 2019-05-21 2020-11-26 Beijing Bytedance Network Technology Co., Ltd. Syntax signaling for optical-flow based inter coding
CN117336468A (zh) 2019-08-10 2024-01-02 北京字节跳动网络技术有限公司 视频比特流中的子图片相关信令通知
MX2022004409A (es) 2019-10-18 2022-05-18 Beijing Bytedance Network Tech Co Ltd Restricciones de sintaxis en la se?alizacion de conjuntos de parametros de subimagenes.
WO2021110017A1 (en) * 2019-12-02 2021-06-10 Beijing Bytedance Network Technology Co., Ltd. Merge with motion vector differencing in affine mode
WO2021190465A1 (en) 2020-03-23 2021-09-30 Beijing Bytedance Network Technology Co., Ltd. Prediction refinement for affine merge and affine motion vector prediction mode
CN117083861A (zh) * 2021-03-29 2023-11-17 北京达佳互联信息技术有限公司 用于帧间预测的重叠块运动补偿
WO2024017224A1 (en) * 2022-07-22 2024-01-25 Mediatek Inc. Affine candidate refinement

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KR102766976B1 (ko) 2025-02-14
WO2019194507A1 (ko) 2019-10-10
JP7565425B2 (ja) 2024-10-10
US20230209044A1 (en) 2023-06-29
EP4440113A3 (en) 2024-12-25
CN116684638A (zh) 2023-09-01
US12081739B2 (en) 2024-09-03
JP2024169734A (ja) 2024-12-05
US20240406377A1 (en) 2024-12-05
EP4440113A2 (en) 2024-10-02
EP3761644A1 (en) 2021-01-06
KR20250020686A (ko) 2025-02-11
US20220224889A1 (en) 2022-07-14
CN116684639B (zh) 2025-12-09
US20210021813A1 (en) 2021-01-21
CN116684590A (zh) 2023-09-01
JP2025156590A (ja) 2025-10-14
KR20250020687A (ko) 2025-02-11
JP7675646B2 (ja) 2025-05-13
KR20220143964A (ko) 2022-10-25
JP7404488B2 (ja) 2023-12-25
KR20230124767A (ko) 2023-08-25
CN116684638B (zh) 2025-12-09
US11611744B2 (en) 2023-03-21
JP7728422B2 (ja) 2025-08-22
KR20200108084A (ko) 2020-09-16
KR102568879B1 (ko) 2023-08-21
CN112042198B (zh) 2023-08-08
JP2024019534A (ja) 2024-02-09
EP3761644A4 (en) 2021-01-20
CN116781929A (zh) 2023-09-19
JP2021517797A (ja) 2021-07-26
US11323696B2 (en) 2022-05-03
CN116684639A (zh) 2023-09-01
CN112042198A (zh) 2020-12-04
JP2023010845A (ja) 2023-01-20

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