CN117041536A - 用于简化视频译码中的自适应环路滤波器的方法 - Google Patents

用于简化视频译码中的自适应环路滤波器的方法 Download PDF

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CN117041536A
CN117041536A CN202310786517.7A CN202310786517A CN117041536A CN 117041536 A CN117041536 A CN 117041536A CN 202310786517 A CN202310786517 A CN 202310786517A CN 117041536 A CN117041536 A CN 117041536A
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alf
diagonal
pixels
pixel
subset
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拉胡尔·瓦纳姆
贺玉文
叶艳
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InterDigital VC Holdings Inc
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Vid Scale 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
    • H04N19/80—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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G06F18/20—Analysing
    • G06F18/21—Design or setup of recognition systems or techniques; Extraction of features in feature space; Blind source separation
    • G06F18/211—Selection of the most significant subset of features
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G06F18/20—Analysing
    • G06F18/24—Classification techniques
    • G06F18/241—Classification techniques relating to the classification model, e.g. parametric or non-parametric approaches
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G06F18/20—Analysing
    • G06F18/24—Classification techniques
    • G06F18/243—Classification techniques relating to the number of classes
    • G06F18/2431—Multiple classes
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • 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
    • H04N19/10—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
    • H04N19/187—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 a scalable video layer
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Data Mining & Analysis (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Bioinformatics & Computational Biology (AREA)
  • Artificial Intelligence (AREA)
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  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN202310786517.7A 2017-11-01 2018-10-31 用于简化视频译码中的自适应环路滤波器的方法 Pending CN117041536A (zh)

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Application Number Priority Date Filing Date Title
US201762579977P 2017-11-01 2017-11-01
US62/579,977 2017-11-01
US201762607033P 2017-12-18 2017-12-18
US62/607,033 2017-12-18
CN201880081527.8A CN111512632B (zh) 2017-11-01 2018-10-31 用于简化视频译码中的自适应环路滤波器的方法
PCT/US2018/058360 WO2019089695A1 (en) 2017-11-01 2018-10-31 Methods for simplifying adaptive loop filter in video coding

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CN201880081527.8A Active CN111512632B (zh) 2017-11-01 2018-10-31 用于简化视频译码中的自适应环路滤波器的方法
CN202310786104.9A Pending CN116866559A (zh) 2017-11-01 2018-10-31 用于简化视频译码中的自适应环路滤波器的方法

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CN202310786104.9A Pending CN116866559A (zh) 2017-11-01 2018-10-31 用于简化视频译码中的自适应环路滤波器的方法

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EP (2) EP4676052A3 (https=)
JP (3) JP7390300B2 (https=)
KR (2) KR102830927B1 (https=)
CN (3) CN117041536A (https=)
CA (1) CA3081252A1 (https=)
PL (1) PL3704858T3 (https=)
SG (1) SG11202003927TA (https=)
WO (1) WO2019089695A1 (https=)
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JP2025094155A (ja) 2025-06-24
US20250294192A1 (en) 2025-09-18
CN116866559A (zh) 2023-10-10
SG11202003927TA (en) 2020-05-28
EP4676052A2 (en) 2026-01-07
JP2024012656A (ja) 2024-01-30
US20200267381A1 (en) 2020-08-20
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JP2021503862A (ja) 2021-02-12
US20230388553A1 (en) 2023-11-30
KR20250108765A (ko) 2025-07-15
EP4676052A3 (en) 2026-03-25
CN111512632A (zh) 2020-08-07
CA3081252A1 (en) 2019-05-09
EP3704858B1 (en) 2025-12-03
KR102830927B1 (ko) 2025-07-04
CN111512632B (zh) 2023-07-14
PL3704858T3 (pl) 2026-04-20
WO2019089695A1 (en) 2019-05-09
US12348787B2 (en) 2025-07-01
EP3704858A1 (en) 2020-09-09
ZA202002084B (en) 2023-12-20
JP7656015B2 (ja) 2025-04-02

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