KR20220064969A - 비디오 코딩을 위한 크로스-컴포넌트 적응형 루프 필터링을 위한 비트 시프팅 - Google Patents

비디오 코딩을 위한 크로스-컴포넌트 적응형 루프 필터링을 위한 비트 시프팅 Download PDF

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KR20220064969A
KR20220064969A KR1020227008823A KR20227008823A KR20220064969A KR 20220064969 A KR20220064969 A KR 20220064969A KR 1020227008823 A KR1020227008823 A KR 1020227008823A KR 20227008823 A KR20227008823 A KR 20227008823A KR 20220064969 A KR20220064969 A KR 20220064969A
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South Korea
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block
filter
video
value
video data
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Korean (ko)
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난 후
제 동
바딤 세레긴
마르타 카르체비츠
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퀄컴 인코포레이티드
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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
    • H04N19/102—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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
    • H04N19/169—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
    • H04N19/169—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
    • H04N19/186—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 a colour or a chrominance component
    • 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
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020227008823A 2019-09-23 2020-09-23 비디오 코딩을 위한 크로스-컴포넌트 적응형 루프 필터링을 위한 비트 시프팅 Pending KR20220064969A (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962904508P 2019-09-23 2019-09-23
US62/904,508 2019-09-23
US17/028,209 2020-09-22
US17/028,209 US11343493B2 (en) 2019-09-23 2020-09-22 Bit shifting for cross-component adaptive loop filtering for video coding
PCT/US2020/052231 WO2021061782A1 (en) 2019-09-23 2020-09-23 Bit shifting for cross-component adaptive loop filtering for video coding

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KR20220064969A true KR20220064969A (ko) 2022-05-19

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KR1020227008823A Pending KR20220064969A (ko) 2019-09-23 2020-09-23 비디오 코딩을 위한 크로스-컴포넌트 적응형 루프 필터링을 위한 비트 시프팅

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US (1) US11343493B2 (https=)
EP (1) EP4035397A1 (https=)
JP (1) JP7566014B2 (https=)
KR (1) KR20220064969A (https=)
CN (1) CN114402620B (https=)
TW (1) TW202127884A (https=)
WO (1) WO2021061782A1 (https=)

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Publication number Priority date Publication date Assignee Title
WO2021025167A1 (en) * 2019-08-08 2021-02-11 Panasonic Intellectual Property Corporation Of America System and method for video coding
WO2021025168A1 (en) 2019-08-08 2021-02-11 Panasonic Intellectual Property Corporation Of America System and method for video coding
CN120302049A (zh) 2019-08-08 2025-07-11 松下电器（美国）知识产权公司 用于视频编码的系统和方法
WO2021045130A1 (en) 2019-09-03 2021-03-11 Panasonic Intellectual Property Corporation Of America System and method for video coding
CN119450039A (zh) * 2019-11-22 2025-02-14 韩国电子通信研究院 使用自适应环路滤波器的图像编码/解码方法和比特流发送方法
US11432016B2 (en) * 2019-12-05 2022-08-30 Hfi Innovation Inc. Methods and apparatuses of syntax signaling constraint for cross-component adaptive loop filter in video coding system
CN112544081B (zh) * 2019-12-31 2023-12-22 北京大学 环路滤波的方法与装置
EP4104445A1 (en) * 2020-09-30 2022-12-21 Google LLC Multicolor lossless image compression
WO2026081207A1 (zh) * 2024-10-18 2026-04-23 Oppo广东移动通信有限公司 解码方法、编码方法、装置、设备、存储介质及程序产品

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Publication number Priority date Publication date Assignee Title
US9807403B2 (en) * 2011-10-21 2017-10-31 Qualcomm Incorporated Adaptive loop filtering for chroma components
US20130107973A1 (en) * 2011-10-28 2013-05-02 Qualcomm Incorporated Loop filtering control over tile boundaries
US10419757B2 (en) * 2016-08-31 2019-09-17 Qualcomm Incorporated Cross-component filter
WO2019026721A1 (en) * 2017-08-01 2019-02-07 Sharp Kabushiki Kaisha SYSTEMS AND METHODS FOR FILTERING RECONSTRUCTED VIDEO DATA USING ADAPTIVE LOOP FILTERING TECHNIQUES
EP3987813A4 (en) * 2019-06-24 2023-03-08 Sharp Kabushiki Kaisha SYSTEMS AND METHODS FOR REDUCING RECONSTRUCTION ERROR IN VIDEO CODING BASED ON INTER-COMPONENT CORRELATION
GB2586484B (en) 2019-08-20 2023-03-08 Canon Kk A filter
HRP20241490T1 (hr) 2019-08-29 2025-01-03 Lg Electronics Inc. Aparati i metode za kodiranje slike
US11451834B2 (en) 2019-09-16 2022-09-20 Tencent America LLC Method and apparatus for cross-component filtering

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TW202127884A (zh) 2021-07-16
US20210092370A1 (en) 2021-03-25
CN114402620B (zh) 2024-12-13
US11343493B2 (en) 2022-05-24
CN114402620A (zh) 2022-04-26
JP7566014B2 (ja) 2024-10-11
JP2022548637A (ja) 2022-11-21
EP4035397A1 (en) 2022-08-03
WO2021061782A1 (en) 2021-04-01

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