SI3941052T1 - Naprava za kodiranje slik in pripadajoči postopek na podlagi izpeljave kvantizacijskega parametra - Google Patents

Naprava za kodiranje slik in pripadajoči postopek na podlagi izpeljave kvantizacijskega parametra

Info

Publication number
SI3941052T1
SI3941052T1 SI201930668T SI201930668T SI3941052T1 SI 3941052 T1 SI3941052 T1 SI 3941052T1 SI 201930668 T SI201930668 T SI 201930668T SI 201930668 T SI201930668 T SI 201930668T SI 3941052 T1 SI3941052 T1 SI 3941052T1
Authority
SI
Slovenia
Prior art keywords
quantization parameter
coding apparatus
image coding
parameter derivation
derivation
Prior art date
Application number
SI201930668T
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 SI3941052T1 publication Critical patent/SI3941052T1/sl

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
    • H04N19/102Methods 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
    • H04N19/189Methods 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
    • H04N19/169Methods 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
    • H04N19/10Methods 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
    • H04N19/70Methods 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)
SI201930668T 2018-04-01 2019-03-05 Naprava za kodiranje slik in pripadajoči postopek na podlagi izpeljave kvantizacijskega parametra SI3941052T1 (sl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862651243P 2018-04-01 2018-04-01
EP21195707.1A EP3941052B1 (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
SI3941052T1 true SI3941052T1 (sl) 2024-02-29

Family

ID=68101287

Family Applications (1)

Application Number Title Priority Date Filing Date
SI201930668T SI3941052T1 (sl) 2018-04-01 2019-03-05 Naprava za kodiranje slik in pripadajoči postopek na podlagi izpeljave kvantizacijskega parametra

Country Status (12)

Country Link
US (3) US11477453B2 (sl)
EP (3) EP3688986B1 (sl)
JP (3) JP7073495B2 (sl)
KR (4) KR20240073164A (sl)
CN (3) CN116320456A (sl)
ES (2) ES2965422T3 (sl)
FI (1) FI3941052T3 (sl)
HR (1) HRP20231426T1 (sl)
HU (2) HUE064565T2 (sl)
PL (2) PL3941052T3 (sl)
SI (1) SI3941052T1 (sl)
WO (1) WO2019194422A1 (sl)

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EP4346205A3 (en) * 2019-04-26 2024-04-24 Huawei Technologies Co., Ltd. Method and apparatus for signaling of mapping function of chroma quantization parameter
BR112022005290A2 (pt) * 2019-09-23 2022-09-20 Huawei Tech Co Ltd Método e aparelho para sinalização de parâmetros de quantização de crominância
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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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
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CN109196862B (zh) * 2016-05-28 2021-01-22 联发科技股份有限公司 视频数据处理方法、装置及相应可读存储介质
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Also Published As

Publication number Publication date
ES2902481T3 (es) 2022-03-28
JP2022106961A (ja) 2022-07-20
CN111434111A (zh) 2020-07-17
FI3941052T3 (fi) 2023-12-12
KR102392128B1 (ko) 2022-04-28
KR102547644B1 (ko) 2023-06-26
CN111434111B (zh) 2023-04-14
JP2021506157A (ja) 2021-02-18
US20200260084A1 (en) 2020-08-13
EP3688986A4 (en) 2020-08-19
JP7073495B2 (ja) 2022-05-23
CN116320455A (zh) 2023-06-23
ES2965422T3 (es) 2024-04-15
EP3941052A1 (en) 2022-01-19
EP3688986B1 (en) 2021-10-27
HRP20231426T1 (hr) 2024-02-16
US20230007258A1 (en) 2023-01-05
WO2019194422A1 (en) 2019-10-10
PL3941052T3 (pl) 2024-03-04
HUE064565T2 (hu) 2024-03-28
US11477453B2 (en) 2022-10-18
PL3688986T3 (pl) 2022-04-04
EP3688986A1 (en) 2020-08-05
EP4283989A1 (en) 2023-11-29
KR20220057652A (ko) 2022-05-09
KR102667406B1 (ko) 2024-05-20
EP3941052B1 (en) 2023-09-13
CN116320456A (zh) 2023-06-23
KR20200051850A (ko) 2020-05-13
US11917155B2 (en) 2024-02-27
KR20240073164A (ko) 2024-05-24
US20240187588A1 (en) 2024-06-06
HUE057141T2 (hu) 2022-04-28
JP2024050774A (ja) 2024-04-10
KR20230093382A (ko) 2023-06-27

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