TWI902697B - 視訊寫碼中之色度差量量化參數 - Google Patents

視訊寫碼中之色度差量量化參數

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Publication number
TWI902697B
TWI902697B TW109121850A TW109121850A TWI902697B TW I902697 B TWI902697 B TW I902697B TW 109121850 A TW109121850 A TW 109121850A TW 109121850 A TW109121850 A TW 109121850A TW I902697 B TWI902697 B TW I902697B
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TW
Taiwan
Prior art keywords
chroma
value
luminance
component
difference
Prior art date
Application number
TW109121850A
Other languages
English (en)
Chinese (zh)
Other versions
TW202119820A (zh
Inventor
韓鈺
德 奧維拉 葛特 汎
穆漢麥德 傑德 柯本
錢威俊
趙詠萱
艾理肯 納爾希
馬塔 卡茲維克茲
Original Assignee
美商高通公司
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Publication date
Application filed by 美商高通公司 filed Critical 美商高通公司
Publication of TW202119820A publication Critical patent/TW202119820A/zh
Application granted granted Critical
Publication of TWI902697B publication Critical patent/TWI902697B/zh

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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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/94—Vector 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
    • H04N19/124—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
    • H04N19/119—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
    • H04N19/169—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
    • H04N19/10—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
    • H04N19/1883—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 relating to sub-band structure, e.g. hierarchical level, directional tree, e.g. low-high [LH], high-low [HL], high-high [HH]
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96—Tree coding, e.g. quad-tree coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
TW109121850A 2019-06-28 2020-06-29 視訊寫碼中之色度差量量化參數 TWI902697B (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201962868771P 2019-06-28 2019-06-28
US62/868,771 2019-06-28
US16/912,232 2020-06-25
US16/912,232 US11418787B2 (en) 2019-06-28 2020-06-25 Chroma delta QP in video coding

Publications (2)

Publication Number Publication Date
TW202119820A TW202119820A (zh) 2021-05-16
TWI902697B true TWI902697B (zh) 2025-11-01

Family

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TW109121850A TWI902697B (zh) 2019-06-28 2020-06-29 視訊寫碼中之色度差量量化參數

Country Status (8)

Country Link
US (1) US11418787B2 (https=)
EP (2) EP3991414B1 (https=)
JP (1) JP7574231B2 (https=)
KR (1) KR20220024116A (https=)
CN (1) CN113994706B (https=)
BR (1) BR112021025719A2 (https=)
TW (1) TWI902697B (https=)
WO (1) WO2020264297A1 (https=)

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CN119182909A (zh) * 2019-08-22 2024-12-24 Lg 电子株式会社 使用色度量化参数的图像解码方法及其装置
US12244805B2 (en) 2019-08-23 2025-03-04 Qualcomm Incorporated Chroma quantization parameter (QP) derivation for video coding
WO2021037258A1 (en) * 2019-08-30 2021-03-04 Beijing Bytedance Network Technology Co., Ltd. Sub-partitioning in intra coding
US11303897B2 (en) * 2020-02-25 2022-04-12 Tencent America LLC Method and apparatus for signaling of chroma quantization parameters
US12382037B2 (en) * 2021-03-05 2025-08-05 Tencent America LLC Decoupled transform partitioning
EP4409900A4 (en) * 2021-09-29 2024-12-25 Telefonaktiebolaget LM Ericsson (publ) Efficient transmission of decoding information

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US20150172662A1 (en) * 2013-12-18 2015-06-18 Magnum Semiconductor, Inc. Apparatuses and methods for optimizing rate-distortion costs in video encoding
WO2017206826A1 (en) * 2016-05-28 2017-12-07 Mediatek Inc. Methods and apparatuses of video data processing with conditionally quantization parameter information signaling

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US9288500B2 (en) 2011-05-12 2016-03-15 Texas Instruments Incorporated Luma-based chroma intra-prediction for video coding
US8792550B2 (en) 2011-08-04 2014-07-29 Qualcomm Incorporated Color/gray patch prevention for video coding
KR20130058524A (ko) 2011-11-25 2013-06-04 오수미 색차 인트라 예측 블록 생성 방법
US9451258B2 (en) 2012-04-03 2016-09-20 Qualcomm Incorporated Chroma slice-level QP offset and deblocking
US9591302B2 (en) 2012-07-02 2017-03-07 Microsoft Technology Licensing, Llc Use of chroma quantization parameter offsets in deblocking
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
US11146788B2 (en) * 2015-06-12 2021-10-12 Qualcomm Incorporated Grouping palette bypass bins for video coding
US10567759B2 (en) * 2016-03-21 2020-02-18 Qualcomm Incorporated Using luma information for chroma prediction with separate luma-chroma framework in video coding
US10462459B2 (en) 2016-04-14 2019-10-29 Mediatek Inc. Non-local adaptive loop filter
US10448056B2 (en) 2016-07-15 2019-10-15 Qualcomm Incorporated Signaling of quantization information in non-quadtree-only partitioned video coding
CN109479133B (zh) 2016-07-22 2021-07-16 夏普株式会社 使用自适应分量缩放对视频数据进行编码的系统和方法
US10555006B2 (en) 2016-12-22 2020-02-04 Qualcomm Incorporated Deriving bilateral filter information based on a prediction mode in video coding
WO2020036132A1 (ja) 2018-08-15 2020-02-20 日本放送協会 画像符号化装置、画像復号装置、及びプログラム
JP7225375B2 (ja) 2018-08-30 2023-02-20 華為技術有限公司 パレット符号化を使用するエンコード装置、デコード装置および対応する方法
KR20250093592A (ko) 2018-09-21 2025-06-24 후아웨이 테크놀러지 컴퍼니 리미티드 역 양자화 장치 및 방법

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US20150172662A1 (en) * 2013-12-18 2015-06-18 Magnum Semiconductor, Inc. Apparatuses and methods for optimizing rate-distortion costs in video encoding
WO2017206826A1 (en) * 2016-05-28 2017-12-07 Mediatek Inc. Methods and apparatuses of video data processing with conditionally quantization parameter information signaling

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Publication number Publication date
US11418787B2 (en) 2022-08-16
EP3991414B1 (en) 2025-08-06
EP3991414C0 (en) 2025-08-06
CN113994706B (zh) 2025-06-24
US20200413059A1 (en) 2020-12-31
EP4593394A2 (en) 2025-07-30
TW202119820A (zh) 2021-05-16
JP7574231B2 (ja) 2024-10-28
WO2020264297A1 (en) 2020-12-30
EP4593394A3 (en) 2025-11-12
JP2022538225A (ja) 2022-09-01
CN113994706A (zh) 2022-01-28
EP3991414A1 (en) 2022-05-04
BR112021025719A2 (pt) 2022-02-08
KR20220024116A (ko) 2022-03-03

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