CN118945318A - 用于视频编、解码的方法和设备 - Google Patents

用于视频编、解码的方法和设备 Download PDF

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Publication number
CN118945318A
CN118945318A CN202411236388.5A CN202411236388A CN118945318A CN 118945318 A CN118945318 A CN 118945318A CN 202411236388 A CN202411236388 A CN 202411236388A CN 118945318 A CN118945318 A CN 118945318A
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index
syntax element
merge
split direction
prediction
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Chinese (zh)
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徐萌
李翔
刘杉
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Tencent America LLC
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Tencent America LLC
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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
    • H04N19/10—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
    • H04N19/10—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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • 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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/169—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
    • 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
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN202411236388.5A 2018-12-12 2019-12-04 用于视频编、解码的方法和设备 Pending CN118945318A (zh)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US201862778832P 2018-12-12 2018-12-12
US62/778,832 2018-12-12
US16/425,404 US10893298B2 (en) 2018-12-12 2019-05-29 Method and apparatus for video coding
US16/425,404 2019-05-29
CN201980063144.2A CN112753218B (zh) 2018-12-12 2019-12-04 用于视频编、解码的方法和设备
PCT/US2019/064410 WO2020123220A1 (en) 2018-12-12 2019-12-04 Method and apparatus for video coding

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CN201980063144.2A Active CN112753218B (zh) 2018-12-12 2019-12-04 用于视频编、解码的方法和设备
CN202411243112.XA Pending CN119254975A (zh) 2018-12-12 2019-12-04 用于视频编、解码的方法和设备

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US (5) US10893298B2 (enExample)
EP (1) EP3895417A4 (enExample)
JP (2) JP7623005B2 (enExample)
KR (3) KR102635957B1 (enExample)
CN (3) CN118945318A (enExample)
WO (1) WO2020123220A1 (enExample)

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MX2021004020A (es) * 2018-10-08 2021-06-30 Huawei Tech Co Ltd Aparatos y metodos para interprediccion de una particion geometrica de un bloque de codificacion.
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US10778977B2 (en) * 2018-12-05 2020-09-15 Qualcomm Incorporated Triangle motion information for video coding
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US11616966B2 (en) * 2019-04-03 2023-03-28 Mediatek Inc. Interaction between core transform and secondary transform
US12063365B2 (en) * 2019-06-17 2024-08-13 Electronics And Telecommunications Research Institute Sub-block division-based image encoding/decoding method and device
KR20250134727A (ko) * 2019-06-19 2025-09-11 엘지전자 주식회사 현재 블록에 대하여 최종적으로 예측 모드를 선택하지 못하는 경우 인터 예측을 수행하는 영상 디코딩 방법 및 그 장치
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KR20220024773A (ko) * 2019-06-24 2022-03-03 알리바바 그룹 홀딩 리미티드 동영상 코딩시 모션 필드 저장 방법 및 장치
US11601651B2 (en) * 2019-06-24 2023-03-07 Alibaba Group Holding Limited Method and apparatus for motion vector refinement
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CN120676144A (zh) * 2019-10-10 2025-09-19 北京达佳互联信息技术有限公司 利用三角分区的视频编解码方法和装置
CN115176463B (zh) * 2019-12-30 2026-07-24 抖音视界有限公司 具有几何分割的块的运动矢量差
US12095984B2 (en) * 2022-02-07 2024-09-17 Tencent America LLC Sub-block based constraint on bi-prediction for out-of-boundary conditions
CN114449345B (zh) * 2022-02-08 2023-06-23 腾讯科技（深圳）有限公司 视频处理方法、装置、设备及存储介质

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US10893298B2 (en) 2021-01-12
US12356016B2 (en) 2025-07-08
EP3895417A1 (en) 2021-10-20
US20250324097A1 (en) 2025-10-16
KR20240024316A (ko) 2024-02-23
CN112753218B (zh) 2024-08-06
US20240080491A1 (en) 2024-03-07
JP7623005B2 (ja) 2025-01-28
KR20210069721A (ko) 2021-06-11
KR102635957B1 (ko) 2024-02-14
JP2024010223A (ja) 2024-01-23
CN119254975A (zh) 2025-01-03
US20220400289A1 (en) 2022-12-15
KR102878993B1 (ko) 2025-10-30
EP3895417A4 (en) 2022-09-14
US11451829B2 (en) 2022-09-20
CN112753218A (zh) 2021-05-04
JP2022507670A (ja) 2022-01-18
WO2020123220A1 (en) 2020-06-18
US12137251B2 (en) 2024-11-05
US20200195973A1 (en) 2020-06-18
KR20250159282A (ko) 2025-11-10
JP7682977B2 (ja) 2025-05-26
US20210092456A1 (en) 2021-03-25

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