SG11202112263YA - An encoder, a decoder and corresponding methods using an adaptive loop filter - Google Patents

An encoder, a decoder and corresponding methods using an adaptive loop filter

Info

Publication number
SG11202112263YA
SG11202112263YA SG11202112263YA SG11202112263YA SG11202112263YA SG 11202112263Y A SG11202112263Y A SG 11202112263YA SG 11202112263Y A SG11202112263Y A SG 11202112263YA SG 11202112263Y A SG11202112263Y A SG 11202112263YA SG 11202112263Y A SG11202112263Y A SG 11202112263YA
Authority
SG
Singapore
Prior art keywords
decoder
encoder
loop filter
adaptive loop
corresponding methods
Prior art date
Application number
SG11202112263YA
Inventor
Anand Meher Kotra
Semih Esenlik
Jianle Chen
Han Gao
Biao Wang
Original Assignee
Huawei Tech Co Ltd
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 Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of SG11202112263YA publication Critical patent/SG11202112263YA/en

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
    • H04N19/10—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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
    • H04N19/70—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
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
SG11202112263YA 2019-05-04 2020-04-30 An encoder, a decoder and corresponding methods using an adaptive loop filter SG11202112263YA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962843431P 2019-05-04 2019-05-04
PCT/CN2020/088389 WO2020224545A1 (en) 2019-05-04 2020-04-30 An encoder, a decoder and corresponding methods using an adaptive loop filter

Publications (1)

Publication Number Publication Date
SG11202112263YA true SG11202112263YA (en) 2021-12-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202112263YA SG11202112263YA (en) 2019-05-04 2020-04-30 An encoder, a decoder and corresponding methods using an adaptive loop filter

Country Status (11)

Country Link
US (1) US20220060703A1 (en)
EP (1) EP3954121A4 (en)
JP (2) JP7319389B2 (en)
KR (1) KR20210151248A (en)
CN (1) CN113785573A (en)
AU (1) AU2020270246A1 (en)
BR (1) BR112021022051A2 (en)
CA (1) CA3136587A1 (en)
MX (1) MX2021013470A (en)
SG (1) SG11202112263YA (en)
WO (1) WO2020224545A1 (en)

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* Cited by examiner, † Cited by third party
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US11418779B2 (en) 2019-06-11 2022-08-16 Qualcomm Incorporated Clipping indices coding for adaptive loop filter in video coding
US20220248006A1 (en) * 2019-06-17 2022-08-04 Electronics And Telecommunications Research Institute Adaptive in-loop filtering method and apparatus
CN113766247B (en) * 2019-06-25 2023-07-25 北京大学 Loop filtering method and device
KR102585317B1 (en) * 2019-12-28 2023-10-04 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 In-loop filter for video coding
US11546638B2 (en) * 2020-12-08 2023-01-03 Tencent America LLC Method and apparatus for video filtering
US11785213B2 (en) * 2021-03-12 2023-10-10 Tencent America LLC Method and apparatus for video filtering
WO2023244670A1 (en) * 2022-06-15 2023-12-21 Innopeak Technology, Inc. Methods, systems, and apparatuses for point cloud coding

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US7003040B2 (en) * 2002-09-24 2006-02-21 Lg Electronics Inc. System and method for multiplexing media information over a network using reduced communications resources and prior knowledge/experience of a called or calling party
US20110249736A1 (en) * 2010-04-09 2011-10-13 Sharp Laboratories Of America, Inc. Codeword restriction for high performance video coding
US9094658B2 (en) * 2010-05-10 2015-07-28 Mediatek Inc. Method and apparatus of adaptive loop filtering
CN107396129B (en) * 2011-03-30 2020-05-05 Lg 电子株式会社 Loop filtering method and apparatus thereof
CN102857746B (en) * 2011-06-28 2017-03-29 中兴通讯股份有限公司 Loop filtering decoding method and device
WO2013029474A1 (en) * 2011-08-31 2013-03-07 Mediatek Inc. Method and apparatus for adaptive loop filter with constrained filter coefficients
CN103096047B (en) * 2011-11-01 2018-06-19 中兴通讯股份有限公司 A kind of fragment layer parameter set decoding and coding method and device
CN103096054B (en) * 2011-11-04 2015-07-08 华为技术有限公司 Video image filtering processing method and device thereof
US20140010278A1 (en) * 2012-07-09 2014-01-09 Motorola Mobility Llc Method and apparatus for coding adaptive-loop filter coefficients
WO2017045101A1 (en) * 2015-09-14 2017-03-23 Mediatek Singapore Pte. Ltd. Advanced deblocking filter in video coding
WO2017075804A1 (en) * 2015-11-06 2017-05-11 Microsoft Technology Licensing, Llc Flexible reference picture management for video encoding and decoding
US20190297320A1 (en) * 2016-05-13 2019-09-26 Sharp Kabushiki Kaisha Image decoding device and image encoding device
CN115174905A (en) * 2017-01-20 2022-10-11 世宗大学校产学协力团 Video decoding method, video encoding method, and bit stream generation method
US10708591B2 (en) * 2017-03-20 2020-07-07 Qualcomm Incorporated Enhanced deblocking filtering design in video coding
CN111213378B (en) * 2017-10-09 2022-05-03 佳能株式会社 Method and apparatus for deblocking filtering of pixel blocks
US11153607B2 (en) * 2018-01-29 2021-10-19 Mediatek Inc. Length-adaptive deblocking filtering in video coding
KR102632984B1 (en) * 2018-03-29 2024-02-05 소니그룹주식회사 Image processing device and image processing method
US11477448B2 (en) * 2019-01-25 2022-10-18 Hfi Innovation Inc. Method and apparatus for non-linear adaptive loop filtering in video coding
CN113678462B (en) * 2019-04-15 2023-01-10 北京字节跳动网络技术有限公司 Clipping parameter derivation in adaptive loop filters

Also Published As

Publication number Publication date
CN113785573A (en) 2021-12-10
MX2021013470A (en) 2022-02-03
KR20210151248A (en) 2021-12-13
AU2020270246A1 (en) 2021-12-02
CA3136587A1 (en) 2020-11-12
WO2020224545A1 (en) 2020-11-12
BR112021022051A2 (en) 2021-12-28
JP7319389B2 (en) 2023-08-01
EP3954121A4 (en) 2022-06-22
EP3954121A1 (en) 2022-02-16
US20220060703A1 (en) 2022-02-24
JP2022530921A (en) 2022-07-04
JP2023133391A (en) 2023-09-22

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