JP7623005B2 - ビデオ復号化方法、ビデオ復号化装置、コンピュータ・プログラム及びビデオ符号化方法 - Google Patents

ビデオ復号化方法、ビデオ復号化装置、コンピュータ・プログラム及びビデオ符号化方法 Download PDF

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JP7623005B2
JP7623005B2 JP2021527045A JP2021527045A JP7623005B2 JP 7623005 B2 JP7623005 B2 JP 7623005B2 JP 2021527045 A JP2021527045 A JP 2021527045A JP 2021527045 A JP2021527045 A JP 2021527045A JP 7623005 B2 JP7623005 B2 JP 7623005B2
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JP2022507670A (ja
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シュイ，モン
リ，シアン
リィウ，シャン
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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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  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2021527045A 2018-12-12 2019-12-04 ビデオ復号化方法、ビデオ復号化装置、コンピュータ・プログラム及びビデオ符号化方法 Active JP7623005B2 (ja)

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US201862778832P 2018-12-12 2018-12-12
US62/778,832 2018-12-12
US16/425,404 2019-05-29
US16/425,404 US10893298B2 (en) 2018-12-12 2019-05-29 Method and apparatus for video coding
PCT/US2019/064410 WO2020123220A1 (en) 2018-12-12 2019-12-04 Method and apparatus for video coding

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US11616966B2 (en) * 2019-04-03 2023-03-28 Mediatek Inc. Interaction between core transform and secondary transform
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EP3975556A4 (en) 2019-06-19 2022-08-03 Lg Electronics Inc. IMAGE DECODING METHOD FOR PERFORMING INTER-PREDICTION WHEN THE CURRENT BLOCK PREDICTION MODE CANNOT FINALLY BE SELECTED AND ASSOCIATED DEVICE
CN119545026A (zh) * 2019-06-23 2025-02-28 Lg 电子株式会社 视频/图像编译系统中合并数据语法的信令方法和装置
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CN110312130B (zh) * 2019-06-25 2021-10-15 浙江大华技术股份有限公司 基于三角模式的帧间预测、视频编码方法及设备
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CN115176463A (zh) * 2019-12-30 2022-10-11 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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Ｒｕ－Ｌｉｎｇ Ｌｉａｏ ｅｔ ａｌ．，"ＣＥ１０．３．１．ｂ：Ｔｒｉａｎｇｕｌａｒ ｐｒｅｄｉｃｔｉｏｎ ｕｎｉｔ ｍｏｄｅ"，Ｊｏｉｎｔ Ｖｉｄｅｏ Ｅｘｐｌｏｒａｔｉｏｎ Ｔｅａｍ （ＪＶＥＴ），２０１８－１０－０８，［ＪＶＥＴ－Ｌ０１２４－ｖ２］ （ｖｅｒｓｉｏｎ ５），＜ＪＶＥＴ－Ｌ０１２４－ｖ２．ｄｏｃ＞，＜ＪＶＥＴ－Ｌ０１２４－ｔｅｘｔ－ｖ３．ｄｏｃｘ＞，ｐｐ．７４，１０３

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KR20250159282A (ko) 2025-11-10
JP2022507670A (ja) 2022-01-18
US20220400289A1 (en) 2022-12-15
US20210092456A1 (en) 2021-03-25
EP3895417A4 (en) 2022-09-14
US11451829B2 (en) 2022-09-20
US10893298B2 (en) 2021-01-12
KR102635957B1 (ko) 2024-02-14
US20240080491A1 (en) 2024-03-07
US20250324097A1 (en) 2025-10-16
US12356016B2 (en) 2025-07-08
CN112753218B (zh) 2024-08-06
US12137251B2 (en) 2024-11-05
EP3895417A1 (en) 2021-10-20
CN112753218A (zh) 2021-05-04
CN118945318A (zh) 2024-11-12
WO2020123220A1 (en) 2020-06-18
US20200195973A1 (en) 2020-06-18
CN119254975A (zh) 2025-01-03
JP7682977B2 (ja) 2025-05-26
KR20240024316A (ko) 2024-02-23
KR20210069721A (ko) 2021-06-11
KR102878993B1 (ko) 2025-10-30
JP2024010223A (ja) 2024-01-23

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