KR20220024117A - 크로마 양자화 파라미터 (qp) 맵핑 테이블들의 시그널링 - Google Patents

크로마 양자화 파라미터 (qp) 맵핑 테이블들의 시그널링 Download PDF

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KR20220024117A
KR20220024117A KR1020217041706A KR20217041706A KR20220024117A KR 20220024117 A KR20220024117 A KR 20220024117A KR 1020217041706 A KR1020217041706 A KR 1020217041706A KR 20217041706 A KR20217041706 A KR 20217041706A KR 20220024117 A KR20220024117 A KR 20220024117A
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South Korea
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chroma
video data
block
mapping table
value
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KR1020217041706A
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Korean (ko)
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아다르쉬 크리쉬난 라마수브라모니안
드미트로 루사노브스키
더 아우베라 게르트 판
마르타 카르체비츠
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퀄컴 인코포레이티드
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Publication of KR20220024117A publication Critical patent/KR20220024117A/ko
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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
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • 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
    • H04N19/10—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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020217041706A 2019-06-25 2020-06-25 크로마 양자화 파라미터 (qp) 맵핑 테이블들의 시그널링 Pending KR20220024117A (ko)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201962866561P 2019-06-25 2019-06-25
US62/866,561 2019-06-25
US201962909626P 2019-10-02 2019-10-02
US62/909,626 2019-10-02
US16/911,003 US11146823B2 (en) 2019-06-25 2020-06-24 Signalling chroma quantization parameter (QP) mapping tables
US16/911,003 2020-06-24
PCT/US2020/039626 WO2020264164A1 (en) 2019-06-25 2020-06-25 Signalling chroma quantization parameter (qp) mapping tables

Publications (1)

Publication Number Publication Date
KR20220024117A true KR20220024117A (ko) 2022-03-03

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KR1020217041706A Pending KR20220024117A (ko) 2019-06-25 2020-06-25 크로마 양자화 파라미터 (qp) 맵핑 테이블들의 시그널링

Country Status (8)

Country Link
US (1) US11146823B2 (https=)
EP (1) EP3991415A1 (https=)
JP (1) JP7565955B2 (https=)
KR (1) KR20220024117A (https=)
CN (1) CN113994678B (https=)
BR (1) BR112021025361A2 (https=)
TW (1) TWI877180B (https=)
WO (1) WO2020264164A1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021006562A1 (ko) * 2019-07-05 2021-01-14 엘지전자 주식회사 영상 디코딩 방법 및 그 장치
CN114128275A (zh) * 2019-07-12 2022-03-01 交互数字Vc控股法国有限公司 亮度到色度量化参数表信令
US11356684B2 (en) * 2019-08-30 2022-06-07 Alibaba Group Holding Limited Method and system for signaling chroma quantization parameter table
AU2020354852B2 (en) * 2019-09-23 2025-07-10 Huawei Technologies Co., Ltd. Method and apparatus for chrominance quantization parameters signalling
CN119893102A (zh) * 2019-10-28 2025-04-25 Lg电子株式会社 图像编码/解码设备和用于发送数据的设备
US12439095B2 (en) * 2021-04-16 2025-10-07 Tencent America LLC Entropy coding of sign map for transform coefficients

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10298939B2 (en) * 2011-06-22 2019-05-21 Qualcomm Incorporated Quantization in video coding
US9451287B2 (en) 2011-11-08 2016-09-20 Qualcomm Incorporated Context reduction for context adaptive binary arithmetic coding
US9414054B2 (en) 2012-07-02 2016-08-09 Microsoft Technology Licensing, Llc Control and use of chroma quantization parameter values
US9294766B2 (en) 2013-09-09 2016-03-22 Apple Inc. Chroma quantization in video coding
WO2015130541A1 (en) * 2014-02-26 2015-09-03 Dolby Laboratories Licensing Corporation Luminance based coding tools for video compression
EP3059937A1 (en) 2015-02-20 2016-08-24 Thomson Licensing Method and apparatus for encoding color mapping information and processing pictures based on color mapping information
US10129558B2 (en) * 2015-09-21 2018-11-13 Qualcomm Incorporated Supplement enhancement information (SEI) messages for high dynamic range and wide color gamut video coding
US10652588B2 (en) * 2015-09-21 2020-05-12 Vid Scale, Inc. Inverse reshaping for high dynamic range video coding
US11095877B2 (en) * 2016-11-30 2021-08-17 Microsoft Technology Licensing, Llc Local hash-based motion estimation for screen remoting scenarios
EP3571843A1 (en) * 2017-01-18 2019-11-27 Dolby Laboratories Licensing Corporation Segment-based reshaping for coding high dynamic range video
JP6876822B2 (ja) 2017-03-21 2021-05-26 ドルビー ラボラトリーズ ライセンシング コーポレイション ルミナンス情報を用いた量子化パラメーター予測
US10728559B2 (en) * 2017-07-07 2020-07-28 Qualcomm Incorporated Precision of computation and signaling of dynamic range adjustment and color remapping information
WO2019148977A1 (en) * 2018-02-01 2019-08-08 Mediatek Inc. Methods and apparatuses of video encoding or decoding with adaptive quantization of video data
US11259023B2 (en) 2018-04-12 2022-02-22 Qualcomm Incorporated Harmonization of transform-based quantization and dynamic range adjustment scale derivation in video coding
CN119815031A (zh) * 2018-06-21 2025-04-11 交互数字Vc控股公司 视频编码和解码中的细化模式处理
SG11202111156PA (en) * 2019-04-26 2021-11-29 Huawei Tech Co Ltd Method and apparatus for signaling of mapping function of chroma quantization parameter
KR102399065B1 (ko) * 2019-05-28 2022-05-17 돌비 레버러토리즈 라이쎈싱 코오포레이션 양자화 파라미터 시그널링

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TWI877180B (zh) 2025-03-21
CN113994678A (zh) 2022-01-28
WO2020264164A1 (en) 2020-12-30
BR112021025361A2 (pt) 2022-02-01
JP7565955B2 (ja) 2024-10-11
TW202107895A (zh) 2021-02-16
JP2022538060A (ja) 2022-08-31
US11146823B2 (en) 2021-10-12
EP3991415A1 (en) 2022-05-04
US20200413101A1 (en) 2020-12-31
CN113994678B (zh) 2025-01-14

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