GB201903584D0 - An adaptive loop filter - Google Patents

An adaptive loop filter

Info

Publication number
GB201903584D0
GB201903584D0 GBGB1903584.9A GB201903584A GB201903584D0 GB 201903584 D0 GB201903584 D0 GB 201903584D0 GB 201903584 A GB201903584 A GB 201903584A GB 201903584 D0 GB201903584 D0 GB 201903584D0
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Withdrawn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
GBGB1903584.9A
Other versions
GB2582031A (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
Publication of GB201903584D0 publication Critical patent/GB201903584D0/en
Priority to CN202080019752.6A priority Critical patent/CN113574898B/en
Priority to KR1020217031423A priority patent/KR20210135273A/en
Priority to CN202410075332.XA priority patent/CN117956149A/en
Priority to EP20709189.3A priority patent/EP3935860A1/en
Priority to US17/434,361 priority patent/US11991353B2/en
Priority to CN202410075322.6A priority patent/CN117956147A/en
Priority to PCT/EP2020/055888 priority patent/WO2020182620A1/en
Priority to BR112021017682A priority patent/BR112021017682A2/en
Priority to CN202410075326.4A priority patent/CN117956148A/en
Priority to JP2021531289A priority patent/JP7256874B2/en
Priority to TW109107499A priority patent/TW202034702A/en
Priority to TW112106633A priority patent/TW202325026A/en
Publication of GB2582031A publication Critical patent/GB2582031A/en
Priority to JP2022179739A priority patent/JP7391170B2/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Withdrawn legal-status Critical Current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)
GB1903584.9A 2019-03-08 2019-03-15 An adaptive loop filter Withdrawn GB2582031A (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
JP2021531289A JP7256874B2 (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
CN202410075332.XA CN117956149A (en) 2019-03-08 2020-03-05 Adaptive loop filter
EP20709189.3A EP3935860A1 (en) 2019-03-08 2020-03-05 An adaptive loop filter
US17/434,361 US11991353B2 (en) 2019-03-08 2020-03-05 Adaptive loop filter
CN202410075322.6A CN117956147A (en) 2019-03-08 2020-03-05 Adaptive loop filter
CN202080019752.6A CN113574898B (en) 2019-03-08 2020-03-05 Adaptive loop filter
KR1020217031423A KR20210135273A (en) 2019-03-08 2020-03-05 adaptive loop filter
CN202410075326.4A CN117956148A (en) 2019-03-08 2020-03-05 Adaptive loop filter
TW112106633A TW202325026A (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

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
GB201903584D0 true GB201903584D0 (en) 2019-05-01
GB2582031A GB2582031A (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 Before (1)

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

Country Status (1)

Country Link
GB (2) GB2582029A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3977736A4 (en) * 2019-06-24 2022-06-29 Huawei Technologies Co., Ltd. Clipping levels for non-linear adaptive loop filter
KR20220041898A (en) * 2019-08-29 2022-04-01 엘지전자 주식회사 Apparatus and method for video coding based on adaptive loop filtering
EP4085639A4 (en) * 2020-01-24 2023-03-22 Huawei Technologies Co., Ltd. An encoder, a decoder and corresponding methods for adaptive loop filtering

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
KR102007050B1 (en) * 2011-11-03 2019-10-01 선 페이턴트 트러스트 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

Also Published As

Publication number Publication date
GB201903187D0 (en) 2019-04-24
GB2582029A (en) 2020-09-09
GB2582031A (en) 2020-09-09

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Legal Events

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