IL278482B2 - Block-based adaptive loop filter (alf) design and signaling - Google Patents

Block-based adaptive loop filter (alf) design and signaling

Info

Publication number
IL278482B2
IL278482B2 IL278482A IL27848220A IL278482B2 IL 278482 B2 IL278482 B2 IL 278482B2 IL 278482 A IL278482 A IL 278482A IL 27848220 A IL27848220 A IL 27848220A IL 278482 B2 IL278482 B2 IL 278482B2
Authority
IL
Israel
Prior art keywords
adaptive loop
block
loop filters
current picture
video
Prior art date
Application number
IL278482A
Other languages
English (en)
Hebrew (he)
Other versions
IL278482A (en
IL278482B1 (en
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of IL278482A publication Critical patent/IL278482A/en
Publication of IL278482B1 publication Critical patent/IL278482B1/en
Publication of IL278482B2 publication Critical patent/IL278482B2/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
    • H04N19/10—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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
    • 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
    • H04N19/46—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
    • H04N19/70—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
    • H04N19/96—Tree coding, e.g. quad-tree coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • User Interface Of Digital Computer (AREA)
IL278482A 2018-06-01 2019-05-31 Block-based adaptive loop filter (alf) design and signaling IL278482B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201862679685P 2018-06-01 2018-06-01
US16/427,017 US11451773B2 (en) 2018-06-01 2019-05-30 Block-based adaptive loop filter (ALF) design and signaling
PCT/US2019/034964 WO2019232412A1 (en) 2018-06-01 2019-05-31 Block-based adaptive loop filter (alf) design and signaling

Publications (3)

Publication Number Publication Date
IL278482A IL278482A (en) 2020-12-31
IL278482B1 IL278482B1 (en) 2024-05-01
IL278482B2 true IL278482B2 (en) 2024-09-01

Family

ID=68693391

Family Applications (1)

Application Number Title Priority Date Filing Date
IL278482A IL278482B2 (en) 2018-06-01 2019-05-31 Block-based adaptive loop filter (alf) design and signaling

Country Status (20)

Country Link
US (1) US11451773B2 (https=)
EP (1) EP3804337B1 (https=)
JP (1) JP7422684B2 (https=)
KR (1) KR102852851B1 (https=)
CN (1) CN112243587B (https=)
AU (1) AU2019278991B2 (https=)
BR (1) BR112020024520A2 (https=)
CA (1) CA3099795A1 (https=)
CL (1) CL2020003085A1 (https=)
CO (1) CO2020014698A2 (https=)
ES (1) ES3001093T3 (https=)
IL (1) IL278482B2 (https=)
MX (1) MX2020012846A (https=)
MY (1) MY206052A (https=)
PH (1) PH12020551866A1 (https=)
PL (1) PL3804337T3 (https=)
SA (1) SA520420639B1 (https=)
SG (1) SG11202010952XA (https=)
TW (1) TWI827609B (https=)
WO (1) WO2019232412A1 (https=)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9210426B2 (en) * 2011-06-30 2015-12-08 Mitsubishi Electric Corporation Image coding device, image decoding device, image coding method, and image decoding method
US11140418B2 (en) 2018-07-17 2021-10-05 Qualcomm Incorporated Block-based adaptive loop filter design and signaling
TWI692939B (zh) * 2018-08-14 2020-05-01 鈺創科技股份有限公司 過濾訊號的數位濾波器
US11284075B2 (en) 2018-09-12 2022-03-22 Qualcomm Incorporated Prediction of adaptive loop filter parameters with reduced memory consumption for video coding
US11051017B2 (en) 2018-12-20 2021-06-29 Qualcomm Incorporated Adaptive loop filter (ALF) index signaling
US11910024B2 (en) 2019-03-11 2024-02-20 Qualcomm Incorporated Boundary handling for adaptive loop filtering
US11159791B2 (en) * 2019-03-16 2021-10-26 Mediatek Inc. Method and apparatus for signaling adaptive loop filter parameters in video coding
US11683487B2 (en) 2019-03-26 2023-06-20 Qualcomm Incorporated Block-based adaptive loop filter (ALF) with adaptive parameter set (APS) in video coding
US11284114B2 (en) 2019-04-23 2022-03-22 Qualcomm Incorporated Adaptive loop filter set index signaling
CN118138754A (zh) 2019-06-14 2024-06-04 北京字节跳动网络技术有限公司 处理视频单元边界和虚拟边界
KR102669852B1 (ko) * 2019-07-09 2024-05-29 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 적응적 루프 필터링을 위한 샘플 결정
KR102707854B1 (ko) 2019-07-15 2024-09-23 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 적응적 루프 필터링에서의 분류
CN112449183B (zh) * 2019-09-03 2023-05-09 联咏科技股份有限公司 视频编码器、视频解码器以及视频系统
CN117278747A (zh) 2019-09-22 2023-12-22 北京字节跳动网络技术有限公司 自适应环路滤波中的填充过程
KR102762212B1 (ko) 2019-10-10 2025-02-07 두인 비전 컴퍼니 리미티드 적응적 루프 필터링에서 이용 불가능한 샘플 위치들에서의 패딩 프로세스
WO2021122070A1 (en) * 2019-12-19 2021-06-24 Telefonaktiebolaget Lm Ericsson (Publ) Picture header prediction
IL294258B2 (en) * 2019-12-23 2026-04-01 Huawei Tech Co Ltd Cross-component adaptive loop filtering and video coding
US11303892B2 (en) * 2020-01-23 2022-04-12 Qualcomm Incorporated Adaptive rounding for loop filters
IL295013B2 (en) 2020-01-24 2026-04-01 Huawei Tech Co Ltd Encoder, decoder and matching methods for adaptive loop filtering
US11516514B2 (en) * 2020-03-27 2022-11-29 Tencent America LLC High level control for deblocking operations
CN113824956B (zh) * 2020-08-24 2022-12-23 杭州海康威视数字技术股份有限公司 滤波方法、装置、设备及机器可读存储介质
CN117178550A (zh) * 2021-03-30 2023-12-05 瑞典爱立信有限公司 组合环路滤波
US20230085391A1 (en) * 2021-09-13 2023-03-16 Apple Inc. Systems and Methods for Luma or Chroma Statistics Collection
CN116456086A (zh) * 2022-01-07 2023-07-18 腾讯科技（深圳）有限公司 环路滤波方法、视频编解码方法、装置、介质及电子设备
CN116962688A (zh) * 2022-04-20 2023-10-27 腾讯科技（深圳）有限公司 环路滤波方法、视频编解码方法、装置、介质及电子设备
CN120035997A (zh) * 2022-08-04 2025-05-23 抖音视界有限公司 用于视频处理的方法、装置和介质
WO2024119191A1 (en) * 2022-12-03 2024-06-06 Beijing Dajia Internet Information Technology Co., Ltd. Methods and devices for adaptive loop filtering and cross-component adaptive loop filter
WO2024094071A1 (en) * 2022-11-01 2024-05-10 Douyin Vision Co., Ltd. Using side information for adaptive loop filter in video coding
WO2024147679A1 (ko) * 2023-01-04 2024-07-11 한국전자통신연구원 영상 부호화/복호화를 위한 방법, 장치 및 기록 매체
WO2026010342A1 (ko) * 2024-07-02 2026-01-08 삼성전자 주식회사 영상의 필터링 장치 및 방법
WO2026008042A1 (en) * 2024-07-05 2026-01-08 Mediatek Inc. Method and apparatus of fixed filter set selection of adaptive loop filter in video coding

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120039383A1 (en) * 2010-08-12 2012-02-16 Mediatek Inc. Coding unit synchronous adaptive loop filter flags
US20120269264A1 (en) * 2009-12-25 2012-10-25 Sony Corporation Image processing device and method
US9872015B2 (en) * 2011-04-21 2018-01-16 Hfi Innovation Inc. Method and apparatus for improved in-loop filtering

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8811484B2 (en) 2008-07-07 2014-08-19 Qualcomm Incorporated Video encoding by filter selection
US8548041B2 (en) * 2008-09-25 2013-10-01 Mediatek Inc. Adaptive filter
JP5436695B2 (ja) * 2010-01-14 2014-03-05 ドルビー ラボラトリーズ ライセンシング コーポレイション ビデオ適応フィルタリングのための方法、システム、ビデオエンコーダ、ビデオデコーダ、コンピュータ装置、集積回路（ｉｃ）装置、及びコンピュータ読取可能な記録媒体
US9094658B2 (en) * 2010-05-10 2015-07-28 Mediatek Inc. Method and apparatus of adaptive loop filtering
US9819966B2 (en) 2010-09-01 2017-11-14 Qualcomm Incorporated Filter description signaling for multi-filter adaptive filtering
US9813738B2 (en) * 2010-10-05 2017-11-07 Hfi Innovation Inc. Method and apparatus of adaptive loop filtering
US9681132B2 (en) * 2010-11-24 2017-06-13 Thomson Licensing Dtv Methods and apparatus for adaptive loop filtering in video encoders and decoders
US9445126B2 (en) 2011-01-05 2016-09-13 Qualcomm Incorporated Video filtering using a combination of one-dimensional switched filter and one-dimensional adaptive filter
US20120177104A1 (en) * 2011-01-12 2012-07-12 Madhukar Budagavi Reduced Complexity Adaptive Loop Filter (ALF) for Video Coding
US8964853B2 (en) 2011-02-23 2015-02-24 Qualcomm Incorporated Multi-metric filtering
US20120294353A1 (en) 2011-05-16 2012-11-22 Mediatek Inc. Apparatus and Method of Sample Adaptive Offset for Luma and Chroma Components
US9277228B2 (en) * 2011-07-18 2016-03-01 Qualcomm Incorporated Adaptation parameter sets for video coding
US9485521B2 (en) * 2011-09-19 2016-11-01 Lg Electronics Inc. Encoding and decoding image using sample adaptive offset with start band indicator
US9357235B2 (en) 2011-10-13 2016-05-31 Qualcomm Incorporated Sample adaptive offset merged with adaptive loop filter in video coding
US20130114694A1 (en) * 2011-11-08 2013-05-09 Qualcomm Incorporated Parameter set groups for coded video data
WO2013113997A1 (en) * 2012-02-01 2013-08-08 Nokia Corporation Method and apparatus for video coding
US9596463B2 (en) * 2012-02-22 2017-03-14 Qualcomm Incorporated Coding of loop filter parameters using a codebook in video coding
US10057574B2 (en) * 2015-02-11 2018-08-21 Qualcomm Incorporated Coding tree unit (CTU) level adaptive loop filter (ALF)
EP3453174B1 (en) 2016-05-06 2024-11-27 InterDigital Madison Patent Holdings, SAS Method and system for decoder-side intra mode derivation for block-based video coding
US10419755B2 (en) * 2016-05-16 2019-09-17 Qualcomm Incorporated Confusion of multiple filters in adaptive loop filtering in video coding
WO2018122092A1 (en) 2016-12-30 2018-07-05 Telefonaktiebolaget Lm Ericsson (Publ) Methods, apparatus, and computer programs for decoding media
US10506230B2 (en) 2017-01-04 2019-12-10 Qualcomm Incorporated Modified adaptive loop filter temporal prediction for temporal scalability support
ES3062819T3 (en) * 2017-10-06 2026-04-14 Panasonic Ip Corp America Encoding device
US11284075B2 (en) 2018-09-12 2022-03-22 Qualcomm Incorporated Prediction of adaptive loop filter parameters with reduced memory consumption for video coding

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120269264A1 (en) * 2009-12-25 2012-10-25 Sony Corporation Image processing device and method
US20120039383A1 (en) * 2010-08-12 2012-02-16 Mediatek Inc. Coding unit synchronous adaptive loop filter flags
US9872015B2 (en) * 2011-04-21 2018-01-16 Hfi Innovation Inc. Method and apparatus for improved in-loop filtering

Also Published As

Publication number Publication date
SA520420639B1 (ar) 2024-10-13
MY206052A (en) 2024-11-27
CN112243587B (zh) 2023-01-31
IL278482A (en) 2020-12-31
JP2021525981A (ja) 2021-09-27
KR102852851B1 (ko) 2025-08-29
WO2019232412A1 (en) 2019-12-05
PL3804337T3 (pl) 2025-03-24
ES3001093T3 (es) 2025-03-04
AU2019278991A1 (en) 2020-12-03
SG11202010952XA (en) 2020-12-30
MX2020012846A (es) 2021-02-18
BR112020024520A2 (pt) 2021-03-02
TW202005399A (zh) 2020-01-16
EP3804337C0 (en) 2024-11-27
CN112243587A (zh) 2021-01-19
JP7422684B2 (ja) 2024-01-26
AU2019278991B2 (en) 2022-11-24
US20190373258A1 (en) 2019-12-05
KR20210015819A (ko) 2021-02-10
TWI827609B (zh) 2024-01-01
CO2020014698A2 (es) 2020-12-10
EP3804337B1 (en) 2024-11-27
CL2020003085A1 (es) 2021-06-11
US11451773B2 (en) 2022-09-20
PH12020551866A1 (en) 2021-07-19
IL278482B1 (en) 2024-05-01
EP3804337A1 (en) 2021-04-14
CA3099795A1 (en) 2019-12-05

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