RU2768957C1 - Способ и устройство декодирования изображения на основе предсказания аффинного движения с использованием списка кандидатов аффинного MVP в системе кодирования изображения - Google Patents

Способ и устройство декодирования изображения на основе предсказания аффинного движения с использованием списка кандидатов аффинного MVP в системе кодирования изображения Download PDF

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RU2768957C1
RU2768957C1 RU2021107637A RU2021107637A RU2768957C1 RU 2768957 C1 RU2768957 C1 RU 2768957C1 RU 2021107637 A RU2021107637 A RU 2021107637A RU 2021107637 A RU2021107637 A RU 2021107637A RU 2768957 C1 RU2768957 C1 RU 2768957C1
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block
current block
motion vector
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affine
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Дзаехо ЛИ
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ЭлДжи ЭЛЕКТРОНИКС ИНК.
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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
    • H04N19/527Global 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
    • H04N19/10Methods 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
    • H04N19/169Methods 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
    • H04N19/10Methods 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
    • H04N19/129Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • H04N19/50Methods 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
    • H04N19/537Motion estimation other than block-based
    • H04N19/54Motion estimation other than block-based using feature points or meshes

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  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
RU2021107637A 2018-09-10 2019-09-10 Способ и устройство декодирования изображения на основе предсказания аффинного движения с использованием списка кандидатов аффинного MVP в системе кодирования изображения RU2768957C1 (ru)

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US201862729407P 2018-09-10 2018-09-10
US62/729,407 2018-09-10
PCT/KR2019/011733 WO2020055107A1 (ko) 2018-09-10 2019-09-10 영상 코딩 시스템에서 어파인 mvp 후보 리스트를 사용하는 어파인 움직임 예측에 기반한 영상 디코딩 방법 및 장치

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KR102463478B1 (ko) * 2018-01-26 2022-11-04 에이치에프아이 이노베이션 인크. 비디오 코딩 시스템을 위한 아핀 인터 예측 방법 및 장치
CN110620923B (zh) 2018-06-19 2022-07-12 北京字节跳动网络技术有限公司 广义的运动矢量差分辨率
KR102576194B1 (ko) * 2018-06-27 2023-09-08 엘지전자 주식회사 인터 예측 모드 기반 영상 처리 방법 및 이를 위한 장치
KR102635047B1 (ko) 2018-09-19 2024-02-07 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 적응적 움직임 벡터 해상도를 가지는 어파인 모드에 대한 구문 재사용
EP4325849A3 (en) 2018-11-22 2024-04-17 Beijing Bytedance Network Technology Co., Ltd. Coordination method for sub-block based inter prediction
WO2020156516A1 (en) 2019-01-31 2020-08-06 Beijing Bytedance Network Technology Co., Ltd. Context for coding affine mode adaptive motion vector resolution
CN113366851B (zh) 2019-01-31 2025-10-21 北京字节跳动网络技术有限公司 对称运动矢量差编解码模式的快速算法
CN114208184B (zh) 2019-08-13 2025-01-07 北京字节跳动网络技术有限公司 基于子块的帧间预测中的运动精度
CN114424536A (zh) 2019-09-22 2022-04-29 北京字节跳动网络技术有限公司 基于变换单元的组合帧间帧内预测

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US20210029350A1 (en) 2021-01-28
US20240305772A1 (en) 2024-09-12
PT3700216T (pt) 2022-09-01
BR112021004556A2 (pt) 2021-06-08
JP7592911B2 (ja) 2024-12-02
US20200275094A1 (en) 2020-08-27
KR20220083857A (ko) 2022-06-20
EP3700216A4 (en) 2021-02-03
JP2022082576A (ja) 2022-06-02
KR102408695B1 (ko) 2022-06-14
JP2025015793A (ja) 2025-01-30
JP7729969B2 (ja) 2025-08-26
US20230362351A1 (en) 2023-11-09
US11722659B2 (en) 2023-08-08
MX2021002881A (es) 2021-06-04
WO2020055107A1 (ko) 2020-03-19
CN116193141A (zh) 2023-05-30
CN111448800B (zh) 2023-03-17
BR122021009784A2 (pt) 2021-07-13
US10841576B2 (en) 2020-11-17
US11997260B2 (en) 2024-05-28
SI3700216T1 (sl) 2022-11-30
BR122021009779A2 (pt) 2021-07-13
EP3700216A1 (en) 2020-08-26
CN116156188A (zh) 2023-05-23
KR20230042387A (ko) 2023-03-28
EP4485933A1 (en) 2025-01-01
KR102510771B1 (ko) 2023-03-16
JP2024042110A (ja) 2024-03-27
HUE060426T2 (hu) 2023-02-28
JP7039698B2 (ja) 2022-03-22
EP4084476A1 (en) 2022-11-02
US20250294136A1 (en) 2025-09-18
PL3700216T3 (pl) 2022-12-19
BR122021009778A2 (pt) 2021-07-13
CN116156189A (zh) 2023-05-23
US20220182613A1 (en) 2022-06-09
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DK3700216T3 (da) 2022-09-12
RU2022106958A (ru) 2022-04-12
US11303887B2 (en) 2022-04-12
KR20250134702A (ko) 2025-09-11
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KR20240015170A (ko) 2024-02-02

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