GB2580173B - A filter - Google Patents

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Publication number
GB2580173B
GB2580173B GB1821156.5A GB201821156A GB2580173B GB 2580173 B GB2580173 B GB 2580173B GB 201821156 A GB201821156 A GB 201821156A GB 2580173 B GB2580173 B GB 2580173B
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filter
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Active
Application number
GB1821156.5A
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GB201821156D0 (en
GB2580173A (en
Inventor
Taquet Jonathan
Gisquet Christophe
Laroche Guillaume
Onno Patrice
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Canon Inc
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Canon 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.)
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Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to GB1821156.5A priority Critical patent/GB2580173B/en
Publication of GB201821156D0 publication Critical patent/GB201821156D0/en
Priority to GB1901775.5A priority patent/GB2580190B/en
Priority to TW108143684A priority patent/TWI834773B/zh
Priority to EP25226914.7A priority patent/EP4708872A2/en
Priority to KR1020217021789A priority patent/KR102764983B1/ko
Priority to EP25226922.0A priority patent/EP4708874A2/en
Priority to CN202410366016.8A priority patent/CN118354071A/zh
Priority to CN202410366023.8A priority patent/CN118354073A/zh
Priority to CN202410366031.2A priority patent/CN118413643A/zh
Priority to EP19813297.9A priority patent/EP3900334B1/en
Priority to JP2021528450A priority patent/JP7308946B2/ja
Priority to ES19813297T priority patent/ES3060652T3/es
Priority to EP25226911.3A priority patent/EP4708871A2/en
Priority to CN202410366021.9A priority patent/CN118354072A/zh
Priority to EP25226919.6A priority patent/EP4708873A2/en
Priority to PCT/EP2019/083066 priority patent/WO2020126411A1/en
Priority to CN202410366025.7A priority patent/CN118354074A/zh
Priority to BR112021012035-1A priority patent/BR112021012035A2/pt
Priority to EP25226925.3A priority patent/EP4708875A2/en
Priority to US17/415,654 priority patent/US11750804B2/en
Priority to CN201980085269.5A priority patent/CN113228646B/zh
Publication of GB2580173A publication Critical patent/GB2580173A/en
Application granted granted Critical
Publication of GB2580173B publication Critical patent/GB2580173B/en
Priority to JP2023109613A priority patent/JP7549709B2/ja
Priority to US18/356,112 priority patent/US12250375B2/en
Priority to US18/356,072 priority patent/US12284343B2/en
Priority to US18/356,007 priority patent/US12250373B2/en
Priority to US18/355,933 priority patent/US12052416B2/en
Priority to US18/356,063 priority patent/US12250374B2/en
Priority to US19/030,190 priority patent/US20250168334A1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/134—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
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/182—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 pixel
    • 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
    • H04N19/42—Methods 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
    • H04N19/439—Methods 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 using cascaded computational arrangements for performing a single operation, e.g. filtering
    • 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
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness

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)
  • Image Processing (AREA)
  • Picture Signal Circuits (AREA)
GB1821156.5A 2018-12-21 2018-12-21 A filter Active GB2580173B (en)

Priority Applications (28)

Application Number Priority Date Filing Date Title
GB1821156.5A GB2580173B (en) 2018-12-21 2018-12-21 A filter
GB1901775.5A GB2580190B (en) 2018-12-21 2019-02-08 Adaptive loop filter using a nonlinear function
EP25226919.6A EP4708873A2 (en) 2018-12-21 2019-11-29 Adaptive loop filtering (alf) with non-linear clipping
BR112021012035-1A BR112021012035A2 (pt) 2018-12-21 2019-11-29 Filtragem adaptativa em laço (alf) com corte não linear
KR1020217021789A KR102764983B1 (ko) 2018-12-21 2019-11-29 비선형 클리핑을 갖는 적응 루프 필터링(alf)
EP25226922.0A EP4708874A2 (en) 2018-12-21 2019-11-29 Adaptive loop filtering (alf) with non-linear clipping
CN202410366016.8A CN118354071A (zh) 2018-12-21 2019-11-29 对图像的一个或多个部分进行编码和解码的方法和装置以及存储介质
CN202410366023.8A CN118354073A (zh) 2018-12-21 2019-11-29 对图像的一个或多个部分进行编码和解码的方法和装置以及存储介质
CN202410366031.2A CN118413643A (zh) 2018-12-21 2019-11-29 对图像的一个或多个部分进行编码和解码的方法和装置以及存储介质
EP19813297.9A EP3900334B1 (en) 2018-12-21 2019-11-29 Adaptive loop filtering (alf) with non-linear clipping
JP2021528450A JP7308946B2 (ja) 2018-12-21 2019-11-29 非線形クリッピングのアダプティブループフィルタ
ES19813297T ES3060652T3 (en) 2018-12-21 2019-11-29 Adaptive loop filtering (alf) with non-linear clipping
EP25226911.3A EP4708871A2 (en) 2018-12-21 2019-11-29 Adaptive loop filtering (alf) with non-linear clipping
CN202410366021.9A CN118354072A (zh) 2018-12-21 2019-11-29 对图像的一个或多个部分进行编码和解码的方法和装置以及存储介质
TW108143684A TWI834773B (zh) 2018-12-21 2019-11-29 使用適應性迴路濾波器以編碼和解碼影像之一或多個影像部分的方法、裝置和電腦可讀儲存媒體
PCT/EP2019/083066 WO2020126411A1 (en) 2018-12-21 2019-11-29 Adaptive loop filtering (alf) with non-linear clipping
CN202410366025.7A CN118354074A (zh) 2018-12-21 2019-11-29 对图像的一个或多个部分进行编码和解码的方法和装置以及存储介质
EP25226914.7A EP4708872A2 (en) 2018-12-21 2019-11-29 Adaptive loop filtering (alf) with non-linear clipping
EP25226925.3A EP4708875A2 (en) 2018-12-21 2019-11-29 Adaptive loop filtering (alf) with non-linear clipping
US17/415,654 US11750804B2 (en) 2018-12-21 2019-11-29 Adaptive loop filtering (ALF) with non-linear clipping
CN201980085269.5A CN113228646B (zh) 2018-12-21 2019-11-29 具有非线性限幅的自适应环路滤波(alf)
JP2023109613A JP7549709B2 (ja) 2018-12-21 2023-07-03 非線形クリッピングのアダプティブループフィルタ
US18/356,112 US12250375B2 (en) 2018-12-21 2023-07-20 Adaptive loop filtering (ALF) with non-linear clipping
US18/356,072 US12284343B2 (en) 2018-12-21 2023-07-20 Adaptive loop filtering (ALF) with non-linear clipping
US18/356,007 US12250373B2 (en) 2018-12-21 2023-07-20 Adaptive loop filtering (ALF) with non-linear clipping
US18/355,933 US12052416B2 (en) 2018-12-21 2023-07-20 Adaptive loop filtering (ALF) with non-linear clipping
US18/356,063 US12250374B2 (en) 2018-12-21 2023-07-20 Adaptive loop filtering (ALF) with non-linear clipping
US19/030,190 US20250168334A1 (en) 2018-12-21 2025-01-17 Adaptive loop filtering (alf) with non-linear clipping

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1821156.5A GB2580173B (en) 2018-12-21 2018-12-21 A filter

Publications (3)

Publication Number Publication Date
GB201821156D0 GB201821156D0 (en) 2019-02-06
GB2580173A GB2580173A (en) 2020-07-15
GB2580173B true GB2580173B (en) 2022-07-27

Family

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GB1821156.5A Active GB2580173B (en) 2018-12-21 2018-12-21 A filter
GB1901775.5A Active GB2580190B (en) 2018-12-21 2019-02-08 Adaptive loop filter using a nonlinear function

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GB1901775.5A Active GB2580190B (en) 2018-12-21 2019-02-08 Adaptive loop filter using a nonlinear function

Country Status (10)

Country Link
US (7) US11750804B2 (https=)
EP (6) EP3900334B1 (https=)
JP (2) JP7308946B2 (https=)
KR (1) KR102764983B1 (https=)
CN (6) CN118354072A (https=)
BR (1) BR112021012035A2 (https=)
ES (1) ES3060652T3 (https=)
GB (2) GB2580173B (https=)
TW (1) TWI834773B (https=)
WO (1) WO2020126411A1 (https=)

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CN117813823A (zh) * 2021-08-14 2024-04-02 抖音视界有限公司 视频编解码中自适应环路滤波器的改进融合模式
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