JP7566014B2 - ビデオコーディングのためのクロスコンポーネント適応ループフィルタリングのためのビットシフティング - Google Patents

ビデオコーディングのためのクロスコンポーネント適応ループフィルタリングのためのビットシフティング Download PDF

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JP7566014B2
JP7566014B2 JP2022516744A JP2022516744A JP7566014B2 JP 7566014 B2 JP7566014 B2 JP 7566014B2 JP 2022516744 A JP2022516744 A JP 2022516744A JP 2022516744 A JP2022516744 A JP 2022516744A JP 7566014 B2 JP7566014 B2 JP 7566014B2
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video
block
value
video data
filter coefficients
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JP2022548637A5 (https=
JP2022548637A (ja
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フ、ナン
ドン、ジエ
セレジン、バディム
カルチェビチ、マルタ
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Qualcomm Inc
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Qualcomm Inc
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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
    • H04N19/10Methods 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
    • H04N19/117Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/169Methods 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
    • H04N19/70Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
    • H04N19/186Methods 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2022516744A 2019-09-23 2020-09-23 ビデオコーディングのためのクロスコンポーネント適応ループフィルタリングのためのビットシフティング Active JP7566014B2 (ja)

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

Publications (3)

Publication Number Publication Date
JP2022548637A JP2022548637A (ja) 2022-11-21
JP2022548637A5 JP2022548637A5 (https=) 2023-09-04
JP7566014B2 true JP7566014B2 (ja) 2024-10-11

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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=)

Families Citing this family (9)

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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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WO2021032751A1 (en) 2019-08-20 2021-02-25 Canon Kabushiki Kaisha Cross-component adaptive loop filter for chroma
WO2021040483A1 (ko) 2019-08-29 2021-03-04 엘지전자 주식회사 영상 코딩 장치 및 방법
WO2021055222A1 (en) 2019-09-16 2021-03-25 Tencent America LLC Method and apparatus for cross-component filtering

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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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021032751A1 (en) 2019-08-20 2021-02-25 Canon Kabushiki Kaisha Cross-component adaptive loop filter for chroma
WO2021040483A1 (ko) 2019-08-29 2021-03-04 엘지전자 주식회사 영상 코딩 장치 및 방법
WO2021055222A1 (en) 2019-09-16 2021-03-25 Tencent America LLC Method and apparatus for cross-component filtering

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
Kiran Misra, Frank Bossen, and Andrew Segall,Cross-Component Adaptive Loop Filter for chroma,Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11,JVET-O0636_r1,15th Meeting: Gothenburg, SE,2019年07月,pp.1-9
Nan Hu, Jie Dong, Vadim Seregin, and Marta Karczewicz,CE5-related: Multiplication removal for cross component adaptive loop filter,Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11,JVET-P0557,16th Meeting: Geneva, CH,2019年09月,pp.1-5
Semih Esenlik, et al.,CE2: Alf with Multiplication Replaced by Bit-Shifting (Test 2.5.1),Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11,JVET-L0162,12th Meeting: Macao, CN,2018年09月,pp.1-4

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Publication number Publication date
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
KR20220064969A (ko) 2022-05-19
JP2022548637A (ja) 2022-11-21
EP4035397A1 (en) 2022-08-03
WO2021061782A1 (en) 2021-04-01

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