AU2019278991B2 - Block-based adaptive loop filter (ALF) design and signaling - Google Patents

Block-based adaptive loop filter (ALF) design and signaling Download PDF

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AU2019278991B2
AU2019278991B2 AU2019278991A AU2019278991A AU2019278991B2 AU 2019278991 B2 AU2019278991 B2 AU 2019278991B2 AU 2019278991 A AU2019278991 A AU 2019278991A AU 2019278991 A AU2019278991 A AU 2019278991A AU 2019278991 B2 AU2019278991 B2 AU 2019278991B2
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adaptive loop
block
video
loop filters
filters
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AU2019278991A1 (en
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Wei-Jung Chien
Akshay Gadde
Marta Karczewicz
Vadim Seregin
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Qualcomm Inc
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    • 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
    • H04N19/46—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
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • User Interface Of Digital Computer (AREA)
AU2019278991A 2018-06-01 2019-05-31 Block-based adaptive loop filter (ALF) design and signaling Active AU2019278991B2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201862679685P 2018-06-01 2018-06-01
US62/679,685 2018-06-01
US16/427,017 US11451773B2 (en) 2018-06-01 2019-05-30 Block-based adaptive loop filter (ALF) design and signaling
US16/427,017 2019-05-30
PCT/US2019/034964 WO2019232412A1 (en) 2018-06-01 2019-05-31 Block-based adaptive loop filter (alf) design and signaling

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AU2019278991A1 AU2019278991A1 (en) 2020-12-03
AU2019278991B2 true AU2019278991B2 (en) 2022-11-24

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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=)
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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
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
IL278482B2 (en) 2024-09-01
EP3804337A1 (en) 2021-04-14
CA3099795A1 (en) 2019-12-05

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