PL3695601T3 - Kodowanie wideo z przestrzennie zmienną kwantyzacją z dostosowaniem do treści - Google Patents

Kodowanie wideo z przestrzennie zmienną kwantyzacją z dostosowaniem do treści

Info

Publication number
PL3695601T3
PL3695601T3 PL18796228.7T PL18796228T PL3695601T3 PL 3695601 T3 PL3695601 T3 PL 3695601T3 PL 18796228 T PL18796228 T PL 18796228T PL 3695601 T3 PL3695601 T3 PL 3695601T3
Authority
PL
Poland
Prior art keywords
video coding
content adaptation
spatially variable
variable quantization
quantization
Prior art date
Application number
PL18796228.7T
Other languages
English (en)
Inventor
Dmytro Rusanovskyy
Adarsh Krishnan RAMASUBRAMONIAN
Original Assignee
Qualcomm Incorporated
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 Qualcomm Incorporated filed Critical Qualcomm Incorporated
Publication of PL3695601T3 publication Critical patent/PL3695601T3/pl

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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
    • H04N19/102Methods 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
    • H04N19/126Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • H04N19/14Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/10Methods 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
    • H04N19/189Methods 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
    • H04N19/197Methods 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 including determination of the initial value of an encoding parameter
    • 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
    • H04N19/198Methods 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 including smoothing of a sequence of encoding parameters, e.g. by averaging, by choice of the maximum, minimum or median value
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/36Scalability techniques involving formatting the layers as a function of picture distortion after decoding, e.g. signal-to-noise [SNR] scalability
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46Embedding additional information in the video signal during the compression process
    • H04N19/463Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission

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)
PL18796228.7T 2017-10-12 2018-10-10 Kodowanie wideo z przestrzennie zmienną kwantyzacją z dostosowaniem do treści PL3695601T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201762571732P 2017-10-12 2017-10-12
US16/155,344 US11095896B2 (en) 2017-10-12 2018-10-09 Video coding with content adaptive spatially varying quantization
PCT/US2018/055211 WO2019075060A1 (en) 2017-10-12 2018-10-10 VIDEO CODING WITH SPATIALLY ADAPTIVE VARIABLE QUANTIFICATION OF CONTENT

Publications (1)

Publication Number Publication Date
PL3695601T3 true PL3695601T3 (pl) 2025-02-10

Family

ID=66096264

Family Applications (1)

Application Number Title Priority Date Filing Date
PL18796228.7T PL3695601T3 (pl) 2017-10-12 2018-10-10 Kodowanie wideo z przestrzennie zmienną kwantyzacją z dostosowaniem do treści

Country Status (9)

Country Link
US (2) US11095896B2 (pl)
EP (1) EP3695601B1 (pl)
CN (2) CN118433397A (pl)
BR (1) BR112020006985A2 (pl)
ES (1) ES2996687T3 (pl)
PL (1) PL3695601T3 (pl)
SG (1) SG11202001990YA (pl)
TW (1) TWI801432B (pl)
WO (1) WO2019075060A1 (pl)

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US11095896B2 (en) 2017-10-12 2021-08-17 Qualcomm Incorporated Video coding with content adaptive spatially varying quantization
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US11184617B2 (en) * 2019-09-19 2021-11-23 Qualcomm Incorporated Transform unit design for video coding
US11563945B2 (en) * 2019-09-30 2023-01-24 Advanced Micro Devices, Inc. Adaptive offset for variance based quantization
WO2021086023A1 (ko) * 2019-10-28 2021-05-06 엘지전자 주식회사 적응적 변환을 이용하여 레지듀얼 처리를 수행하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법
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US11228763B2 (en) * 2019-12-26 2022-01-18 Qualcomm Incorporated Residual coding to support both lossy and lossless coding
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WO2021158049A1 (ko) * 2020-02-05 2021-08-12 엘지전자 주식회사 영상 정보 코딩에 대한 영상 디코딩 방법 및 그 장치
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CN111901594B (zh) * 2020-06-29 2021-07-20 北京大学 面向视觉分析任务的图像编码方法、电子设备及介质
US11032546B1 (en) * 2020-07-20 2021-06-08 Tencent America LLC Quantizer for lossless and near-lossless compression
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KR20240123141A (ko) 2023-02-06 2024-08-13 삼성전자주식회사 양자화 동작을 선택하는 인코더, 인코더의 동작 방법 및 이를 포함하는 비디오 처리 시스템
US20240414339A1 (en) * 2023-06-09 2024-12-12 Qualcomm Incorporated Quantization offsets for dependent quantization in video coding

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Also Published As

Publication number Publication date
CN111194551A (zh) 2020-05-22
EP3695601A1 (en) 2020-08-19
US11095896B2 (en) 2021-08-17
TWI801432B (zh) 2023-05-11
BR112020006985A2 (pt) 2020-10-06
ES2996687T3 (en) 2025-02-13
WO2019075060A1 (en) 2019-04-18
US11765355B2 (en) 2023-09-19
TW201924336A (zh) 2019-06-16
CN111194551B (zh) 2024-04-19
EP3695601B1 (en) 2024-11-20
EP3695601C0 (en) 2024-11-20
US20190116361A1 (en) 2019-04-18
US20220124332A1 (en) 2022-04-21
CN118433397A (zh) 2024-08-02
SG11202001990YA (en) 2020-04-29

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