GB2586484B - A filter - Google Patents

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Publication number
GB2586484B
GB2586484B GB1911952.8A GB201911952A GB2586484B GB 2586484 B GB2586484 B GB 2586484B GB 201911952 A GB201911952 A GB 201911952A GB 2586484 B GB2586484 B GB 2586484B
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United Kingdom
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filter
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Active
Application number
GB1911952.8A
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English (en)
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GB2586484A (en
GB201911952D0 (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 GB1911952.8A priority Critical patent/GB2586484B/en
Priority to GB2219082.1A priority patent/GB2613960B/en
Publication of GB201911952D0 publication Critical patent/GB201911952D0/en
Priority to CN202411870810.2A priority patent/CN119767038A/zh
Priority to CN202080058407.3A priority patent/CN114258683B/zh
Priority to US17/636,806 priority patent/US12177426B2/en
Priority to EP20760421.6A priority patent/EP4018650A1/en
Priority to CN202411870808.5A priority patent/CN119767037A/zh
Priority to BR112022000953A priority patent/BR112022000953A2/pt
Priority to KR1020227008930A priority patent/KR102889328B1/ko
Priority to TW109128045A priority patent/TWI793438B/zh
Priority to CN202411870803.2A priority patent/CN119767036A/zh
Priority to PCT/EP2020/073122 priority patent/WO2021032751A1/en
Priority to CN202411870817.4A priority patent/CN119767040A/zh
Priority to JP2021569987A priority patent/JP7308983B2/ja
Priority to CN202411870814.0A priority patent/CN119767039A/zh
Publication of GB2586484A publication Critical patent/GB2586484A/en
Application granted granted Critical
Publication of GB2586484B publication Critical patent/GB2586484B/en
Priority to JP2023108523A priority patent/JP2023123772A/ja
Priority to US18/908,573 priority patent/US12666020B2/en
Priority to US18/908,541 priority patent/US12666018B2/en
Priority to US18/908,560 priority patent/US12666019B2/en
Priority to US18/908,547 priority patent/US12621449B2/en
Priority to US18/908,584 priority patent/US20250097416A1/en
Priority to JP2025085774A priority patent/JP2025119008A/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • 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
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • 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
    • H04N19/134—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
    • H04N19/156—Availability of hardware or computational resources, e.g. encoding based on power-saving criteria
    • 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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • H04N19/70—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

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)
GB1911952.8A 2019-08-20 2019-08-20 A filter Active GB2586484B (en)

Priority Applications (22)

Application Number Priority Date Filing Date Title
GB1911952.8A GB2586484B (en) 2019-08-20 2019-08-20 A filter
GB2219082.1A GB2613960B (en) 2019-08-20 2019-08-20 A filter
CN202411870817.4A CN119767040A (zh) 2019-08-20 2020-08-18 用于对图像部分或图像进行解码的方法和解码器
TW109128045A TWI793438B (zh) 2019-08-20 2020-08-18 濾波器
US17/636,806 US12177426B2 (en) 2019-08-20 2020-08-18 Cross-component adaptive loop filter for chroma
EP20760421.6A EP4018650A1 (en) 2019-08-20 2020-08-18 Cross-component adaptive loop filter for chroma
CN202411870808.5A CN119767037A (zh) 2019-08-20 2020-08-18 用于对图像部分进行滤波的方法和装置、用于对图像进行编码或解码的方法以及存储介质
BR112022000953A BR112022000953A2 (pt) 2019-08-20 2020-08-18 Filtro de loop adaptável de componente cruzado para croma
KR1020227008930A KR102889328B1 (ko) 2019-08-20 2020-08-18 크로마에 대한 교차 성분 적응적 루프 필터
CN202080058407.3A CN114258683B (zh) 2019-08-20 2020-08-18 用于色度的跨分量自适应环路滤波器
CN202411870803.2A CN119767036A (zh) 2019-08-20 2020-08-18 用于对图像部分进行滤波的方法和装置、用于对图像进行编码或解码的方法以及存储介质
PCT/EP2020/073122 WO2021032751A1 (en) 2019-08-20 2020-08-18 Cross-component adaptive loop filter for chroma
CN202411870810.2A CN119767038A (zh) 2019-08-20 2020-08-18 用于对图像部分进行滤波的方法和装置、用于对图像进行编码或解码的方法以及存储介质
JP2021569987A JP7308983B2 (ja) 2019-08-20 2020-08-18 クロマのためのクロスコンポーネント適応（アダプティブ）ループフィルタ
CN202411870814.0A CN119767039A (zh) 2019-08-20 2020-08-18 用于对图像部分进行滤波的方法和装置、用于对图像进行编码或解码的方法以及存储介质
JP2023108523A JP2023123772A (ja) 2019-08-20 2023-06-30 クロマのためのクロスコンポーネント適応（アダプティブ）ループフィルタ
US18/908,584 US20250097416A1 (en) 2019-08-20 2024-10-07 Cross-component adaptive loop filter for chroma
US18/908,547 US12621449B2 (en) 2019-08-20 2024-10-07 Cross-component adaptive loop filter for chroma
US18/908,560 US12666019B2 (en) 2019-08-20 2024-10-07 Cross-component adaptive loop filter for chroma
US18/908,573 US12666020B2 (en) 2019-08-20 2024-10-07 Cross-component adaptive loop filter for chroma
US18/908,541 US12666018B2 (en) 2019-08-20 2024-10-07 Cross-component adaptive loop filter for chroma
JP2025085774A JP2025119008A (ja) 2019-08-20 2025-05-22 クロマのためのクロスコンポーネント適応（アダプティブ）ループフィルタ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1911952.8A GB2586484B (en) 2019-08-20 2019-08-20 A filter

Publications (3)

Publication Number Publication Date
GB201911952D0 GB201911952D0 (en) 2019-10-02
GB2586484A GB2586484A (en) 2021-02-24
GB2586484B true GB2586484B (en) 2023-03-08

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GB1911952.8A Active GB2586484B (en) 2019-08-20 2019-08-20 A filter

Country Status (9)

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US (6) US12177426B2 (enExample)
EP (1) EP4018650A1 (enExample)
JP (3) JP7308983B2 (enExample)
KR (1) KR102889328B1 (enExample)
CN (6) CN119767036A (enExample)
BR (1) BR112022000953A2 (enExample)
GB (1) GB2586484B (enExample)
TW (1) TWI793438B (enExample)
WO (1) WO2021032751A1 (enExample)

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Also Published As

Publication number Publication date
US20250097414A1 (en) 2025-03-20
CN119767038A (zh) 2025-04-04
GB2586484A (en) 2021-02-24
GB201911952D0 (en) 2019-10-02
US12666019B2 (en) 2026-06-23
TWI793438B (zh) 2023-02-21
CN119767036A (zh) 2025-04-04
US12666018B2 (en) 2026-06-23
KR20220041939A (ko) 2022-04-01
TW202110181A (zh) 2021-03-01
CN119767039A (zh) 2025-04-04
JP7308983B2 (ja) 2023-07-14
CN119767040A (zh) 2025-04-04
KR102889328B1 (ko) 2025-11-21
US20250097412A1 (en) 2025-03-20
WO2021032751A1 (en) 2021-02-25
BR112022000953A2 (pt) 2022-04-12
US12621449B2 (en) 2026-05-05
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