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HUE067370T2 - Transzformálás intra predikció alapú képkódolásnál - Google Patents

Transzformálás intra predikció alapú képkódolásnál

Info

Publication number
HUE067370T2
HUE067370T2 HUE20791140A HUE20791140A HUE067370T2 HU E067370 T2 HUE067370 T2 HU E067370T2 HU E20791140 A HUE20791140 A HU E20791140A HU E20791140 A HUE20791140 A HU E20791140A HU E067370 T2 HUE067370 T2 HU E067370T2
Authority
HU
Hungary
Prior art keywords
transform
intra prediction
image coding
based image
coding
Prior art date
Application number
HUE20791140A
Other languages
English (en)
Inventor
Junghak Nam
Jaehyun Lim
Moonmo Koo
Seunghwan Kim
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 HUE067370T2 publication Critical patent/HUE067370T2/hu

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • 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
    • H04N19/12Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/11Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/119Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/12Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • 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
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/18Methods 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 set of transform coefficients
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
HUE20791140A 2019-04-16 2020-04-16 Transzformálás intra predikció alapú képkódolásnál HUE067370T2 (hu)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201962834951P 2019-04-16 2019-04-16

Publications (1)

Publication Number Publication Date
HUE067370T2 true HUE067370T2 (hu) 2024-10-28

Family

ID=72837498

Family Applications (1)

Application Number Title Priority Date Filing Date
HUE20791140A HUE067370T2 (hu) 2019-04-16 2020-04-16 Transzformálás intra predikció alapú képkódolásnál

Country Status (13)

Country Link
US (4) US11516510B2 (hu)
EP (2) EP3952313B1 (hu)
JP (3) JP7214894B2 (hu)
KR (2) KR20220162184A (hu)
CN (5) CN118175312A (hu)
AU (3) AU2020258920B2 (hu)
ES (1) ES2981910T3 (hu)
FI (1) FI3952313T3 (hu)
HR (1) HRP20240832T1 (hu)
HU (1) HUE067370T2 (hu)
PL (1) PL3952313T3 (hu)
SI (1) SI3952313T1 (hu)
WO (1) WO2020213945A1 (hu)

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ES2975941T3 (es) 2019-04-17 2024-07-18 Huawei Tech Co Ltd Armonización de intrapredicción basada en matriz y selección de núcleo de transformada secundaria
AU2020265960A1 (en) * 2019-04-27 2021-08-19 Huawei Technologies Co., Ltd. An encoder, a decoder and corresponding methods of intra prediction
CN119277062A (zh) * 2019-04-27 2025-01-07 数码士有限公司 基于帧内预测处理视频信号的方法和设备
WO2023197195A1 (zh) * 2022-04-13 2023-10-19 Oppo广东移动通信有限公司 视频编解码方法、编码器、解码器及存储介质
US11856227B2 (en) * 2022-05-26 2023-12-26 Mediatek Inc. Transform architecture in video encoding systems
US20250047849A1 (en) * 2023-08-02 2025-02-06 Tencent America LLC Methods and systems for signaling and performing secondary transforms

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CN101904173B (zh) * 2007-12-21 2013-04-03 艾利森电话股份有限公司 用于视频编码的改进像素预测的方法及设备
CN100586184C (zh) * 2008-01-24 2010-01-27 北京工业大学 帧内预测方法
EP2141927A1 (en) * 2008-07-03 2010-01-06 Panasonic Corporation Filters for video coding
WO2011016248A1 (ja) 2009-08-06 2011-02-10 パナソニック株式会社 符号化方法、復号方法、符号化装置及び復号装置
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JP2012023632A (ja) * 2010-07-15 2012-02-02 Sony Corp 符号化装置および符号化方法、並びに、復号装置および復号方法
MX2014004851A (es) * 2011-10-18 2014-05-28 Kt Corp Metodo para codificar imagen, metodo para decodificar imagen, codificador de imagen y decodificador de imagen.
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CN110419218B (zh) * 2017-03-16 2021-02-26 联发科技股份有限公司 编码或解码视频数据的方法和装置
CN110546952A (zh) * 2017-03-21 2019-12-06 Lg电子株式会社 图像编码系统中的变换方法和用于该变换方法的设备
KR102466945B1 (ko) * 2017-06-21 2022-11-14 엘지전자 주식회사 영상 코딩 시스템에서 인트라 예측에 따른 영상 디코딩 방법 및 장치
CN117880501A (zh) * 2018-10-07 2024-04-12 三星电子株式会社 用于编码或解码视频信号的视频信号处理方法和设备
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CN118921455A (zh) * 2019-03-12 2024-11-08 苹果公司 用于对图像信号进行编码/解码的方法及其装置
US11616966B2 (en) * 2019-04-03 2023-03-28 Mediatek Inc. Interaction between core transform and secondary transform
EP3939314A4 (en) * 2019-04-12 2022-06-08 Beijing Bytedance Network Technology Co., Ltd. MATRIX-BASED INTRA PREDICTION-BASED TRANSFORMATION CODING
ES2975941T3 (es) * 2019-04-17 2024-07-18 Huawei Tech Co Ltd Armonización de intrapredicción basada en matriz y selección de núcleo de transformada secundaria
CN118741124A (zh) * 2019-05-03 2024-10-01 韩国电子通信研究院 对图像进行编码/解码的方法以及比特流的数据的传输方法

Also Published As

Publication number Publication date
CN113841407B (zh) 2024-05-10
JP7214894B2 (ja) 2023-01-30
AU2023208134A1 (en) 2023-08-17
ES2981910T3 (es) 2024-10-11
EP4376411A2 (en) 2024-05-29
CN118175313A (zh) 2024-06-11
AU2024203561A1 (en) 2024-06-20
JP7540064B2 (ja) 2024-08-26
US11516510B2 (en) 2022-11-29
CN113841407A (zh) 2021-12-24
SI3952313T1 (sl) 2024-08-30
KR20210131424A (ko) 2021-11-02
CN118200567A (zh) 2024-06-14
AU2020258920B2 (en) 2023-06-29
EP4376411A3 (en) 2024-07-17
HRP20240832T1 (hr) 2024-11-08
CN118175312A (zh) 2024-06-11
JP2024003154A (ja) 2024-01-11
US12200257B2 (en) 2025-01-14
CN118175314A (zh) 2024-06-11
US20250106433A1 (en) 2025-03-27
KR20220162184A (ko) 2022-12-07
KR102470695B1 (ko) 2022-11-25
PL3952313T3 (pl) 2024-07-29
EP3952313A1 (en) 2022-02-09
JP7387925B2 (ja) 2023-11-28
US20240064333A1 (en) 2024-02-22
JP2023033544A (ja) 2023-03-10
US20220038744A1 (en) 2022-02-03
WO2020213945A1 (ko) 2020-10-22
EP3952313B1 (en) 2024-05-29
AU2020258920A1 (en) 2021-12-16
US11838549B2 (en) 2023-12-05
US20230054265A1 (en) 2023-02-23
AU2023208134B2 (en) 2024-06-20
EP3952313A4 (en) 2022-05-11
JP2022529480A (ja) 2022-06-22
FI3952313T3 (fi) 2024-06-20

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