TWI877180B - 發訊色度量化參數(qp)映射表 - Google Patents

發訊色度量化參數(qp)映射表 Download PDF

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Publication number
TWI877180B
TWI877180B TW109121849A TW109121849A TWI877180B TW I877180 B TWI877180 B TW I877180B TW 109121849 A TW109121849 A TW 109121849A TW 109121849 A TW109121849 A TW 109121849A TW I877180 B TWI877180 B TW I877180B
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Taiwan
Prior art keywords
chroma
block
value
mapping table
video
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TW109121849A
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English (en)
Chinese (zh)
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TW202107895A (zh
Inventor
阿達許 克里許納 瑞瑪蘇布雷蒙尼安
丹姆裘 瑞斯諾斯基
德 奧維拉 葛特 汎
馬塔 卡茲維克茲
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美商高通公司
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Publication of TW202107895A publication Critical patent/TW202107895A/zh
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Publication of TWI877180B publication Critical patent/TWI877180B/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
    • H04N19/10—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)
TW109121849A 2019-06-25 2020-06-29 發訊色度量化參數(qp)映射表 TWI877180B (zh)

Applications Claiming Priority (6)

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

Publications (2)

Publication Number Publication Date
TW202107895A TW202107895A (zh) 2021-02-16
TWI877180B true TWI877180B (zh) 2025-03-21

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TW109121849A TWI877180B (zh) 2019-06-25 2020-06-29 發訊色度量化參數(qp)映射表

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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=)

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CN120302041A (zh) * 2019-07-05 2025-07-11 Lg 电子株式会社 图像解码方法及其设备
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
WO2021040907A1 (en) * 2019-08-30 2021-03-04 Alibaba Group Holding Limited Method and system for signaling chroma quantization parameter table
CN114586362A (zh) * 2019-09-23 2022-06-03 华为技术有限公司 色度量化参数指示方法和装置
WO2021086021A1 (ko) * 2019-10-28 2021-05-06 엘지전자 주식회사 적응적 변환을 이용한 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법
US12439095B2 (en) * 2021-04-16 2025-10-07 Tencent America LLC Entropy coding of sign map for transform coefficients

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US20190014330A1 (en) * 2017-07-07 2019-01-10 Qualcomm Incorporated Precision of computation and signaling of dynamic range adjustment and color remapping information

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EP3111645A1 (en) * 2014-02-26 2017-01-04 Dolby Laboratories Licensing Corporation Luminance based coding tools for video compression
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EP3566440B1 (en) 2017-03-21 2020-12-02 Dolby Laboratories Licensing Corporation Quantization parameter prediction using luminance 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
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US20190014330A1 (en) * 2017-07-07 2019-01-10 Qualcomm Incorporated Precision of computation and signaling of dynamic range adjustment and color remapping information

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Publication number Publication date
CN113994678B (zh) 2025-01-14
CN113994678A (zh) 2022-01-28
BR112021025361A2 (pt) 2022-02-01
US11146823B2 (en) 2021-10-12
KR20220024117A (ko) 2022-03-03
EP3991415A1 (en) 2022-05-04
US20200413101A1 (en) 2020-12-31
JP7565955B2 (ja) 2024-10-11
JP2022538060A (ja) 2022-08-31
WO2020264164A1 (en) 2020-12-30
TW202107895A (zh) 2021-02-16

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