KR102898558B1 - 비디오 코딩 방법 및 장치 - Google Patents

비디오 코딩 방법 및 장치

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Publication number
KR102898558B1
KR102898558B1 KR1020227025662A KR20227025662A KR102898558B1 KR 102898558 B1 KR102898558 B1 KR 102898558B1 KR 1020227025662 A KR1020227025662 A KR 1020227025662A KR 20227025662 A KR20227025662 A KR 20227025662A KR 102898558 B1 KR102898558 B1 KR 102898558B1
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South Korea
Prior art keywords
video
filter
picture
sample
color component
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KR1020227025662A
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English (en)
Korean (ko)
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KR20220112852A (ko
Inventor
이신 두
신 자오
샨 리우
Original Assignee
텐센트 아메리카 엘엘씨
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Publication of KR20220112852A publication Critical patent/KR20220112852A/ko
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Classifications

    • 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
    • H04N19/124—Quantisation
    • 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
    • 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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020227025662A 2020-11-12 2021-07-01 비디오 코딩 방법 및 장치 Active KR102898558B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202063113125P 2020-11-12 2020-11-12
US63/113,125 2020-11-12
US17/360,865 US11563964B2 (en) 2020-11-12 2021-06-28 Method and apparatus for video coding
US17/360,865 2021-06-28
PCT/US2021/040044 WO2022103448A1 (en) 2020-11-12 2021-07-01 Method and apparatus for video coding

Publications (2)

Publication Number Publication Date
KR20220112852A KR20220112852A (ko) 2022-08-11
KR102898558B1 true KR102898558B1 (ko) 2025-12-09

Family

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KR1020227025662A Active KR102898558B1 (ko) 2020-11-12 2021-07-01 비디오 코딩 방법 및 장치

Country Status (6)

Country Link
US (3) US11563964B2 (enExample)
EP (1) EP4066497A4 (enExample)
JP (3) JP7467650B2 (enExample)
KR (1) KR102898558B1 (enExample)
CN (1) CN115136600A (enExample)
WO (1) WO2022103448A1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024537126A (ja) * 2021-11-19 2024-10-10 ベイジン ダジア インターネット インフォメーション テクノロジー カンパニー リミテッド クロス成分サンプル適応オフセット関連出願の相互参照
CN120035997A (zh) * 2022-08-04 2025-05-23 抖音视界有限公司 用于视频处理的方法、装置和介质
US20240129461A1 (en) * 2022-10-04 2024-04-18 Tencent America LLC Systems and methods for cross-component sample offset filter information signaling
US12464148B2 (en) * 2023-01-09 2025-11-04 Amazon Technologies, Inc. Computer-implemented multi-scale machine learning model for the enhancement of compressed video
US20240283959A1 (en) * 2023-02-16 2024-08-22 Tencent America LLC Extended quantizer with finer step size
EP4447437A1 (en) * 2023-04-14 2024-10-16 Beijing Xiaomi Mobile Software Co., Ltd. Encoding video picture data
US12375726B1 (en) 2023-06-27 2025-07-29 Amazon Technologies, Inc. Computer-implemented method and apparatus for video coding using an implicit video frame output process
US12425598B2 (en) 2023-08-03 2025-09-23 Tencent America LLC Cross component sample offset filtering with asymmetric quantizer

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04273687A (ja) * 1991-02-28 1992-09-29 Hitachi Ltd 動画像符号化装置
US5867221A (en) * 1996-03-29 1999-02-02 Interated Systems, Inc. Method and system for the fractal compression of data using an integrated circuit for discrete cosine transform compression/decompression
US7369709B2 (en) 2003-09-07 2008-05-06 Microsoft Corporation Conditional lapped transform
JP4592562B2 (ja) 2005-11-01 2010-12-01 シャープ株式会社 画像復号装置
JPWO2013154028A1 (ja) 2012-04-13 2015-12-17 ソニー株式会社 画像処理装置および方法
MY189001A (en) 2014-03-04 2022-01-17 Microsoft Technology Licensing Llc Adaptive switching of color spaces, color sampling rates and/or bit depths
US10477247B2 (en) * 2015-11-18 2019-11-12 Electronics And Telecommunications Research Institute Method for decoding video using in-loop filter, and device therefor
US10419757B2 (en) * 2016-08-31 2019-09-17 Qualcomm Incorporated Cross-component filter
US11202079B2 (en) * 2018-02-05 2021-12-14 Tencent America LLC Method and apparatus for video decoding of an affine model in an intra block copy mode
PL3939260T3 (pl) * 2019-04-20 2025-06-02 Beijing Bytedance Network Technology Co., Ltd. Sygnalizacja elementów składni do kodowania łącznego reszt chrominancji
KR20200144075A (ko) * 2019-06-17 2020-12-28 한국전자통신연구원 적응적 루프내 필터링 방법 및 장치
US11197030B2 (en) * 2019-08-08 2021-12-07 Panasonic Intellectual Property Corporation Of America System and method for video coding

Also Published As

Publication number Publication date
US20240267548A1 (en) 2024-08-08
US20220150517A1 (en) 2022-05-12
JP2025111549A (ja) 2025-07-30
US11997299B2 (en) 2024-05-28
JP2023514638A (ja) 2023-04-06
US20230126791A1 (en) 2023-04-27
CN115136600A (zh) 2022-09-30
KR20220112852A (ko) 2022-08-11
EP4066497A4 (en) 2023-01-25
JP7467650B2 (ja) 2024-04-15
EP4066497A1 (en) 2022-10-05
WO2022103448A1 (en) 2022-05-19
US12278978B2 (en) 2025-04-15
JP2024084800A (ja) 2024-06-25
US11563964B2 (en) 2023-01-24
JP7670899B2 (ja) 2025-04-30

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