PL3688986T3 - Sposób kodowania obrazu w oparciu o wyprowadzenie parametru kwantyzacji - Google Patents

Sposób kodowania obrazu w oparciu o wyprowadzenie parametru kwantyzacji

Info

Publication number
PL3688986T3
PL3688986T3 PL19781993T PL19781993T PL3688986T3 PL 3688986 T3 PL3688986 T3 PL 3688986T3 PL 19781993 T PL19781993 T PL 19781993T PL 19781993 T PL19781993 T PL 19781993T PL 3688986 T3 PL3688986 T3 PL 3688986T3
Authority
PL
Poland
Prior art keywords
method based
quantization parameter
coding method
image coding
parameter derivation
Prior art date
Application number
PL19781993T
Other languages
English (en)
Inventor
Seunghwan Kim
Jaehyun Lim
Original Assignee
Lg Electronics Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lg Electronics Inc. filed Critical Lg Electronics Inc.
Publication of PL3688986T3 publication Critical patent/PL3688986T3/pl

Links

Classifications

    • 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
    • H04N19/189Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • H04N19/124Quantisation
    • 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
    • H04N19/10Methods 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
PL19781993T 2018-04-01 2019-03-05 Sposób kodowania obrazu w oparciu o wyprowadzenie parametru kwantyzacji PL3688986T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201862651243P 2018-04-01 2018-04-01
EP19781993.1A EP3688986B1 (en) 2018-04-01 2019-03-05 An image coding method based on a quantization parameter derivation
PCT/KR2019/002520 WO2019194422A1 (en) 2018-04-01 2019-03-05 An image coding apparatus and method thereof based on a quantization parameter derivation

Publications (1)

Publication Number Publication Date
PL3688986T3 true PL3688986T3 (pl) 2022-04-04

Family

ID=68101287

Family Applications (2)

Application Number Title Priority Date Filing Date
PL19781993T PL3688986T3 (pl) 2018-04-01 2019-03-05 Sposób kodowania obrazu w oparciu o wyprowadzenie parametru kwantyzacji
PL21195707.1T PL3941052T3 (pl) 2018-04-01 2019-03-05 Urządzenie do kodowania obrazu oraz jego sposób oparty na wyprowadzeniu parametru kwantyzacji

Family Applications After (1)

Application Number Title Priority Date Filing Date
PL21195707.1T PL3941052T3 (pl) 2018-04-01 2019-03-05 Urządzenie do kodowania obrazu oraz jego sposób oparty na wyprowadzeniu parametru kwantyzacji

Country Status (12)

Country Link
US (3) US11477453B2 (pl)
EP (3) EP4283989A1 (pl)
JP (3) JP7073495B2 (pl)
KR (4) KR102667406B1 (pl)
CN (3) CN116320455A (pl)
ES (2) ES2902481T3 (pl)
FI (1) FI3941052T3 (pl)
HR (1) HRP20231426T1 (pl)
HU (2) HUE057141T2 (pl)
PL (2) PL3688986T3 (pl)
SI (1) SI3941052T1 (pl)
WO (1) WO2019194422A1 (pl)

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US9414054B2 (en) 2012-07-02 2016-08-09 Microsoft Technology Licensing, Llc Control and use of chroma quantization parameter values
US9591302B2 (en) * 2012-07-02 2017-03-07 Microsoft Technology Licensing, Llc Use of chroma quantization parameter offsets in deblocking
CN116760984A (zh) * 2019-04-26 2023-09-15 华为技术有限公司 用于指示色度量化参数映射函数的方法和装置
NZ786438A (en) * 2019-09-23 2024-03-22 Huawei Tech Co Ltd Method and apparatus for chrominance quantization parameters signalling
US11310533B2 (en) * 2019-09-27 2022-04-19 Qualcomm Incorporated Quantization parameter signaling for joint chroma residual mode in video coding
JP7001668B2 (ja) * 2019-12-26 2022-01-19 Kddi株式会社 画像復号装置、画像復号方法及びプログラム
US11375221B2 (en) * 2020-02-12 2022-06-28 Tencent America LLC Method and apparatus for cross-component filtering
US11381820B2 (en) 2020-04-13 2022-07-05 Tencent America LLC Method and apparatus for video coding
US11871036B2 (en) 2020-09-24 2024-01-09 Korea University Research And Business Foundation Apparatus and method for compressing JPEG images

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US8213498B2 (en) * 2007-05-31 2012-07-03 Qualcomm Incorporated Bitrate reduction techniques for image transcoding
KR20120016980A (ko) * 2010-08-17 2012-02-27 한국전자통신연구원 영상 부호화 방법 및 장치, 그리고 복호화 방법 및 장치
US9363509B2 (en) * 2011-03-03 2016-06-07 Electronics And Telecommunications Research Institute Method for determining color difference component quantization parameter and device using the method
KR20130049526A (ko) * 2011-11-04 2013-05-14 오수미 복원 블록 생성 방법
WO2013109026A1 (ko) * 2012-01-18 2013-07-25 엘지전자 주식회사 엔트로피 부호화/복호화 방법 및 그 장치
CN106131561B (zh) * 2012-01-20 2019-10-18 维洛媒体国际有限公司 解码装置和解码方法
GB2501535A (en) * 2012-04-26 2013-10-30 Sony Corp Chrominance Processing in High Efficiency Video Codecs
US9414054B2 (en) * 2012-07-02 2016-08-09 Microsoft Technology Licensing, Llc Control and use of chroma quantization parameter values
CN110177276B (zh) * 2014-02-26 2021-08-24 杜比实验室特许公司 处理视频图像的空间区域的方法、存储介质及计算装置
US9736481B2 (en) * 2014-03-14 2017-08-15 Qualcomm Incorporated Quantization parameters for color-space conversion coding
US10142642B2 (en) * 2014-06-04 2018-11-27 Qualcomm Incorporated Block adaptive color-space conversion coding
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EP3354019A4 (en) * 2015-09-23 2019-05-22 Telefonaktiebolaget LM Ericsson (publ) DETERMINATION OF QUANTIZATION PARAMETER VALUES
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WO2017195555A1 (ja) * 2016-05-13 2017-11-16 シャープ株式会社 画像復号装置および画像符号化装置
CN112689147B (zh) * 2016-05-28 2023-10-13 寰发股份有限公司 视频数据处理方法以及装置
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US11019339B2 (en) * 2017-07-12 2021-05-25 Futurewei Technologies, Inc. Fractional quantization parameter offset in video compression
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Also Published As

Publication number Publication date
EP3688986A4 (en) 2020-08-19
KR102667406B1 (ko) 2024-05-20
HRP20231426T1 (hr) 2024-02-16
KR20200051850A (ko) 2020-05-13
EP3941052A1 (en) 2022-01-19
KR102547644B1 (ko) 2023-06-26
EP3941052B1 (en) 2023-09-13
US20200260084A1 (en) 2020-08-13
US11917155B2 (en) 2024-02-27
KR20230093382A (ko) 2023-06-27
FI3941052T3 (fi) 2023-12-12
CN111434111B (zh) 2023-04-14
CN111434111A (zh) 2020-07-17
ES2902481T3 (es) 2022-03-28
KR20240073164A (ko) 2024-05-24
WO2019194422A1 (en) 2019-10-10
EP3688986B1 (en) 2021-10-27
CN116320455A (zh) 2023-06-23
JP2021506157A (ja) 2021-02-18
KR20220057652A (ko) 2022-05-09
US20230007258A1 (en) 2023-01-05
EP4283989A1 (en) 2023-11-29
JP7073495B2 (ja) 2022-05-23
SI3941052T1 (sl) 2024-02-29
US11477453B2 (en) 2022-10-18
ES2965422T3 (es) 2024-04-15
EP3688986A1 (en) 2020-08-05
JP2022106961A (ja) 2022-07-20
HUE064565T2 (hu) 2024-03-28
KR102392128B1 (ko) 2022-04-28
HUE057141T2 (hu) 2022-04-28
PL3941052T3 (pl) 2024-03-04
JP2024050774A (ja) 2024-04-10
CN116320456A (zh) 2023-06-23
US20240187588A1 (en) 2024-06-06

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