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GB201903187D0 - An adaptive loop filter - Google Patents

An adaptive loop filter

Info

Publication number
GB201903187D0
GB201903187D0 GBGB1903187.1A GB201903187A GB201903187D0 GB 201903187 D0 GB201903187 D0 GB 201903187D0 GB 201903187 A GB201903187 A GB 201903187A GB 201903187 D0 GB201903187 D0 GB 201903187D0
Authority
GB
United Kingdom
Prior art keywords
loop filter
adaptive loop
adaptive
filter
loop
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
GBGB1903187.1A
Other versions
GB2582029A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
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.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to GB1903187.1A priority Critical patent/GB2582029A/en
Priority to GB1903584.9A priority patent/GB2582031A/en
Publication of GB201903187D0 publication Critical patent/GB201903187D0/en
Priority to CN202410075319.4A priority patent/CN118118666A/en
Priority to CN202410075338.7A priority patent/CN118138755A/en
Priority to JP2021531289A priority patent/JP7256874B2/en
Priority to CN202080019752.6A priority patent/CN113574898B/en
Priority to PCT/EP2020/055888 priority patent/WO2020182620A1/en
Priority to BR112021017682A priority patent/BR112021017682A2/en
Priority to US17/434,361 priority patent/US11991353B2/en
Priority to CN202410075332.XA priority patent/CN117956149A/en
Priority to CN202410075326.4A priority patent/CN117956148A/en
Priority to KR1020217031423A priority patent/KR102784937B1/en
Priority to EP20709189.3A priority patent/EP3935860A1/en
Priority to CN202410075322.6A priority patent/CN117956147A/en
Priority to TW112106633A priority patent/TWI860633B/en
Priority to TW109107499A priority patent/TW202034702A/en
Publication of GB2582029A publication Critical patent/GB2582029A/en
Priority to JP2022179739A priority patent/JP7391170B2/en
Priority to US18/652,694 priority patent/US12355960B2/en
Priority to US18/652,716 priority patent/US12464122B2/en
Priority to US18/652,687 priority patent/US12513292B2/en
Priority to US18/652,710 priority patent/US12355961B2/en
Priority to US18/652,673 priority patent/US12439041B2/en
Withdrawn legal-status Critical Current

Links

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
    • H04N19/80—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
    • H04N19/10—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
    • H04N19/134—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
    • H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • 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
    • 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
    • H04N19/186—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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/85—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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
GB1903187.1A 2019-03-08 2019-03-08 An adaptive loop filter Withdrawn GB2582029A (en)

Priority Applications (22)

Application Number Priority Date Filing Date Title
GB1903187.1A GB2582029A (en) 2019-03-08 2019-03-08 An adaptive loop filter
GB1903584.9A GB2582031A (en) 2019-03-08 2019-03-15 An adaptive loop filter
CN202410075338.7A CN118138755A (en) 2019-03-08 2020-03-05 Adaptive Loop Filter
CN202410075326.4A CN117956148A (en) 2019-03-08 2020-03-05 Adaptive Loop Filter
CN202410075322.6A CN117956147A (en) 2019-03-08 2020-03-05 Adaptive loop filter
JP2021531289A JP7256874B2 (en) 2019-03-08 2020-03-05 adaptive loop filter
CN202080019752.6A CN113574898B (en) 2019-03-08 2020-03-05 adaptive loop filter
PCT/EP2020/055888 WO2020182620A1 (en) 2019-03-08 2020-03-05 An adaptive loop filter
BR112021017682A BR112021017682A2 (en) 2019-03-08 2020-03-05 Adaptive loop filter
US17/434,361 US11991353B2 (en) 2019-03-08 2020-03-05 Adaptive loop filter
CN202410075332.XA CN117956149A (en) 2019-03-08 2020-03-05 Adaptive Loop Filter
CN202410075319.4A CN118118666A (en) 2019-03-08 2020-03-05 Adaptive loop filter
KR1020217031423A KR102784937B1 (en) 2019-03-08 2020-03-05 Adaptive loop filter
EP20709189.3A EP3935860A1 (en) 2019-03-08 2020-03-05 An adaptive loop filter
TW112106633A TWI860633B (en) 2019-03-08 2020-03-06 An adaptive loop filter
TW109107499A TW202034702A (en) 2019-03-08 2020-03-06 An adaptive loop filter
JP2022179739A JP7391170B2 (en) 2019-03-08 2022-11-09 adaptive loop filter
US18/652,694 US12355960B2 (en) 2019-03-08 2024-05-01 Adaptive loop filter
US18/652,716 US12464122B2 (en) 2019-03-08 2024-05-01 Adaptive loop filter
US18/652,687 US12513292B2 (en) 2019-03-08 2024-05-01 Adaptive loop filter
US18/652,710 US12355961B2 (en) 2019-03-08 2024-05-01 Adaptive loop filter
US18/652,673 US12439041B2 (en) 2019-03-08 2024-05-01 Adaptive loop filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1903187.1A GB2582029A (en) 2019-03-08 2019-03-08 An adaptive loop filter

Publications (2)

Publication Number Publication Date
GB201903187D0 true GB201903187D0 (en) 2019-04-24
GB2582029A GB2582029A (en) 2020-09-09

Family

ID=66380246

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1903187.1A Withdrawn GB2582029A (en) 2019-03-08 2019-03-08 An adaptive loop filter
GB1903584.9A Withdrawn GB2582031A (en) 2019-03-08 2019-03-15 An adaptive loop filter

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB1903584.9A Withdrawn GB2582031A (en) 2019-03-08 2019-03-15 An adaptive loop filter

Country Status (1)

Country Link
GB (2) GB2582029A (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114145019A (en) * 2019-06-24 2022-03-04 华为技术有限公司 Clipping level for non-linear adaptive loop filter
CN114424529A (en) * 2019-09-18 2022-04-29 北京字节跳动网络技术有限公司 Two-part signaling of adaptive loop filter in video coding and decoding
CN114424531A (en) * 2019-07-08 2022-04-29 Lg电子株式会社 In-loop filtering based video or image coding
CN114556957A (en) * 2019-08-29 2022-05-27 Lg 电子株式会社 Video coding device and method based on in-loop filtering
CN114586351A (en) * 2019-08-29 2022-06-03 Lg 电子株式会社 Image coding device and method based on adaptive loop filtering
CN114600466A (en) * 2019-08-29 2022-06-07 Lg电子株式会社 Image coding apparatus and method based on cross component filtering
CN115398920A (en) * 2020-04-15 2022-11-25 高通股份有限公司 Adaptive loop filtering for color format support
CN115604488A (en) * 2019-06-25 2023-01-13 北京大学（Cn） Method and device for loop filtering
CN115731133A (en) * 2022-11-25 2023-03-03 北京奇艺世纪科技有限公司 Image filtering method, device, electronic equipment and storage medium
CN116208773A (en) * 2020-01-24 2023-06-02 华为技术有限公司 Encoder, decoder and corresponding methods for adaptive loop filtering
CN118869993A (en) * 2019-12-28 2024-10-29 北京达佳互联信息技术有限公司 Method, device and medium for encoding video data
WO2025002296A1 (en) * 2023-06-30 2025-01-02 腾讯科技（深圳）有限公司 Video coding and decoding method and apparatus, electronic device, and storage medium

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12113996B2 (en) 2021-12-06 2024-10-08 Tencent America LLC Arrangement of adaptive loop filter coefficients for fast vectorized transpositions

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9094658B2 (en) * 2010-05-10 2015-07-28 Mediatek Inc. Method and apparatus of adaptive loop filtering
WO2013064661A1 (en) * 2011-11-03 2013-05-10 Panasonic Corporation Filtering of blocks coded in the pulse code modulation mode
US9445088B2 (en) * 2012-04-09 2016-09-13 Qualcomm Incorporated LCU-based adaptive loop filtering for video coding
US10506230B2 (en) * 2017-01-04 2019-12-10 Qualcomm Incorporated Modified adaptive loop filter temporal prediction for temporal scalability support

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114145019A (en) * 2019-06-24 2022-03-04 华为技术有限公司 Clipping level for non-linear adaptive loop filter
CN114145019B (en) * 2019-06-24 2023-11-10 华为技术有限公司 Clip level for nonlinear adaptive loop filter
CN115604488A (en) * 2019-06-25 2023-01-13 北京大学（Cn） Method and device for loop filtering
CN114424531A (en) * 2019-07-08 2022-04-29 Lg电子株式会社 In-loop filtering based video or image coding
CN114586351B (en) * 2019-08-29 2024-04-16 Lg电子株式会社 Image coding device and method based on adaptive loop filtering
CN114556957A (en) * 2019-08-29 2022-05-27 Lg 电子株式会社 Video coding device and method based on in-loop filtering
CN114586351A (en) * 2019-08-29 2022-06-03 Lg 电子株式会社 Image coding device and method based on adaptive loop filtering
CN114600466A (en) * 2019-08-29 2022-06-07 Lg电子株式会社 Image coding apparatus and method based on cross component filtering
US12284355B2 (en) 2019-08-29 2025-04-22 Lg Electronics Inc. In-loop filtering-based image coding apparatus and method
US12231633B2 (en) 2019-08-29 2025-02-18 Lg Electronics Inc. Cross component filtering-based image coding apparatus and method
CN114424529A (en) * 2019-09-18 2022-04-29 北京字节跳动网络技术有限公司 Two-part signaling of adaptive loop filter in video coding and decoding
CN118869993A (en) * 2019-12-28 2024-10-29 北京达佳互联信息技术有限公司 Method, device and medium for encoding video data
CN116208773A (en) * 2020-01-24 2023-06-02 华为技术有限公司 Encoder, decoder and corresponding methods for adaptive loop filtering
CN115398920A (en) * 2020-04-15 2022-11-25 高通股份有限公司 Adaptive loop filtering for color format support
CN115398920B (en) * 2020-04-15 2025-10-17 高通股份有限公司 Adaptive loop filtering for color format support
CN115731133A (en) * 2022-11-25 2023-03-03 北京奇艺世纪科技有限公司 Image filtering method, device, electronic equipment and storage medium
WO2025002296A1 (en) * 2023-06-30 2025-01-02 腾讯科技（深圳）有限公司 Video coding and decoding method and apparatus, electronic device, and storage medium

Also Published As

Publication number Publication date
GB201903584D0 (en) 2019-05-01
GB2582031A (en) 2020-09-09
GB2582029A (en) 2020-09-09

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Legal Events

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WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)