JP7422684B2 - ブロックベースの適応ループフィルタ（ａｌｆ）の設計およびシグナリング - Google Patents

ブロックベースの適応ループフィルタ（ａｌｆ）の設計およびシグナリング Download PDF

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JP7422684B2
JP7422684B2 JP2020566603A JP2020566603A JP7422684B2 JP 7422684 B2 JP7422684 B2 JP 7422684B2 JP 2020566603 A JP2020566603 A JP 2020566603A JP 2020566603 A JP2020566603 A JP 2020566603A JP 7422684 B2 JP7422684 B2 JP 7422684B2
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adaptive loop
block
loop filters
current picture
filters
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JP2021525981A (ja
JP2021525981A5 (enExample
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カルチェビチ、マルタ
ガッデ、アクシャイ
セレジン、バディム
チェン、ウェイ－ジュン
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Qualcomm Inc
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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)
JP2020566603A 2018-06-01 2019-05-31 ブロックベースの適応ループフィルタ（ａｌｆ）の設計およびシグナリング Active JP7422684B2 (ja)

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US201862679685P 2018-06-01 2018-06-01
US62/679,685 2018-06-01
US16/427,017 2019-05-30
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

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JP2021525981A JP2021525981A (ja) 2021-09-27
JP2021525981A5 JP2021525981A5 (enExample) 2022-05-13
JP7422684B2 true JP7422684B2 (ja) 2024-01-26

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CA (1) CA3099795A1 (enExample)
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MX (1) MX2020012846A (enExample)
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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
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
CN120226362A (zh) * 2022-11-01 2025-06-27 抖音视界有限公司 在视频编解码中将边信息用于自适应环路滤波器
CN120266472A (zh) * 2022-12-03 2025-07-04 北京达佳互联信息技术有限公司 用于自适应环路滤波和跨分量自适应环路滤波器的方法和装置
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SA520420639B1 (ar) 2024-10-13
TW202005399A (zh) 2020-01-16
MY206052A (en) 2024-11-27
PL3804337T3 (pl) 2025-03-24
SG11202010952XA (en) 2020-12-30
CN112243587B (zh) 2023-01-31
TWI827609B (zh) 2024-01-01
CO2020014698A2 (es) 2020-12-10
CN112243587A (zh) 2021-01-19
BR112020024520A2 (pt) 2021-03-02
EP3804337A1 (en) 2021-04-14
ES3001093T3 (es) 2025-03-04
US20190373258A1 (en) 2019-12-05
AU2019278991A1 (en) 2020-12-03
IL278482B2 (en) 2024-09-01
MX2020012846A (es) 2021-02-18
US11451773B2 (en) 2022-09-20
JP2021525981A (ja) 2021-09-27
WO2019232412A1 (en) 2019-12-05
CL2020003085A1 (es) 2021-06-11
KR20210015819A (ko) 2021-02-10
EP3804337C0 (en) 2024-11-27
EP3804337B1 (en) 2024-11-27
KR102852851B1 (ko) 2025-08-29
PH12020551866A1 (en) 2021-07-19
AU2019278991B2 (en) 2022-11-24
CA3099795A1 (en) 2019-12-05
IL278482B1 (en) 2024-05-01
IL278482A (en) 2020-12-31

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