SG11202010952XA - Block-based adaptive loop filter (alf) design and signaling - Google Patents

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

Info

Publication number
SG11202010952XA
SG11202010952XA SG11202010952XA SG11202010952XA SG11202010952XA SG 11202010952X A SG11202010952X A SG 11202010952XA SG 11202010952X A SG11202010952X A SG 11202010952XA SG 11202010952X A SG11202010952X A SG 11202010952XA SG 11202010952X A SG11202010952X A SG 11202010952XA
Authority
SG
Singapore
Prior art keywords
alf
signaling
design
block
loop filter
Prior art date
Application number
SG11202010952XA
Other languages
English (en)
Inventor
Marta Karczewicz
Akshay Gadde
Vadim Seregin
Wei-Jung Chien
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 SG11202010952XA publication Critical patent/SG11202010952XA/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
    • H04N19/174—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
SG11202010952XA 2018-06-01 2019-05-31 Block-based adaptive loop filter (alf) design and signaling SG11202010952XA (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 (1)

Publication Number Publication Date
SG11202010952XA true SG11202010952XA (en) 2020-12-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202010952XA SG11202010952XA (en) 2018-06-01 2019-05-31 Block-based adaptive loop filter (alf) design and signaling

Country Status (16)

Country Link
US (1) US11451773B2 (es)
EP (1) EP3804337A1 (es)
JP (1) JP7422684B2 (es)
KR (1) KR20210015819A (es)
CN (1) CN112243587B (es)
AU (1) AU2019278991B2 (es)
BR (1) BR112020024520A2 (es)
CA (1) CA3099795A1 (es)
CL (1) CL2020003085A1 (es)
CO (1) CO2020014698A2 (es)
IL (1) IL278482B1 (es)
MX (1) MX2020012846A (es)
PH (1) PH12020551866A1 (es)
SG (1) SG11202010952XA (es)
TW (1) TWI827609B (es)
WO (1) WO2019232412A1 (es)

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US11140418B2 (en) 2018-07-17 2021-10-05 Qualcomm Incorporated Block-based adaptive loop filter design and signaling
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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
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
WO2021129690A1 (en) * 2019-12-23 2021-07-01 Huawei Technologies Co., Ltd. Cross-component adaptive loop filtering for video coding
US11303892B2 (en) * 2020-01-23 2022-04-12 Qualcomm Incorporated Adaptive rounding for loop filters
WO2021147981A1 (en) * 2020-01-24 2021-07-29 Huawei Technologies Co., Ltd. An encoder, a decoder and corresponding methods for adaptive loop filtering
US11516514B2 (en) * 2020-03-27 2022-11-29 Tencent America LLC High level control for deblocking operations
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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
WO2024094071A1 (en) * 2022-11-01 2024-05-10 Douyin Vision Co., Ltd. Using side information for adaptive loop filter in video coding

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US11284075B2 (en) 2018-09-12 2022-03-22 Qualcomm Incorporated Prediction of adaptive loop filter parameters with reduced memory consumption for video coding

Also Published As

Publication number Publication date
TWI827609B (zh) 2024-01-01
US20190373258A1 (en) 2019-12-05
CA3099795A1 (en) 2019-12-05
JP2021525981A (ja) 2021-09-27
KR20210015819A (ko) 2021-02-10
US11451773B2 (en) 2022-09-20
MX2020012846A (es) 2021-02-18
EP3804337A1 (en) 2021-04-14
CO2020014698A2 (es) 2020-12-10
IL278482A (en) 2020-12-31
AU2019278991B2 (en) 2022-11-24
IL278482B1 (en) 2024-05-01
CN112243587A (zh) 2021-01-19
CL2020003085A1 (es) 2021-06-11
CN112243587B (zh) 2023-01-31
JP7422684B2 (ja) 2024-01-26
TW202005399A (zh) 2020-01-16
PH12020551866A1 (en) 2021-07-19
BR112020024520A2 (pt) 2021-03-02
WO2019232412A1 (en) 2019-12-05
AU2019278991A1 (en) 2020-12-03

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