CA3081252A1 - Methods for simplifying adaptive loop filter in video coding - Google Patents

Methods for simplifying adaptive loop filter in video coding Download PDF

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Publication number
CA3081252A1
CA3081252A1 CA3081252A CA3081252A CA3081252A1 CA 3081252 A1 CA3081252 A1 CA 3081252A1 CA 3081252 A CA3081252 A CA 3081252A CA 3081252 A CA3081252 A CA 3081252A CA 3081252 A1 CA3081252 A1 CA 3081252A1
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pixels
current block
block
current frame
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French (fr)
Inventor
Rahul VANAM
Yuwen He
Yan Ye
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Vid Scale 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)
  • Evolutionary Biology (AREA)
  • Evolutionary Computation (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CA3081252A 2017-11-01 2018-10-31 Methods for simplifying adaptive loop filter in video coding Pending CA3081252A1 (en)

Applications Claiming Priority (5)

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
PCT/US2018/058360 WO2019089695A1 (en) 2017-11-01 2018-10-31 Methods for simplifying adaptive loop filter in video coding

Publications (1)

Publication Number Publication Date
CA3081252A1 true CA3081252A1 (en) 2019-05-09

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CA3081252A Pending CA3081252A1 (en) 2017-11-01 2018-10-31 Methods for simplifying adaptive loop filter in video coding

Country Status (10)

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US (3) US11641488B2 (https=)
EP (2) EP3704858B1 (https=)
JP (3) JP7390300B2 (https=)
KR (2) KR102830927B1 (https=)
CN (3) CN111512632B (https=)
CA (1) CA3081252A1 (https=)
PL (1) PL3704858T3 (https=)
SG (1) SG11202003927TA (https=)
WO (1) WO2019089695A1 (https=)
ZA (1) ZA202002084B (https=)

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KR20250108765A (ko) 2025-07-15
CN111512632A (zh) 2020-08-07
KR20200095464A (ko) 2020-08-10
JP7390300B2 (ja) 2023-12-01
JP2024012656A (ja) 2024-01-30
ZA202002084B (en) 2023-12-20
US20230388553A1 (en) 2023-11-30
JP2025094155A (ja) 2025-06-24
EP4676052A3 (en) 2026-03-25
US20200267381A1 (en) 2020-08-20
KR102830927B1 (ko) 2025-07-04
CN117041536A (zh) 2023-11-10
EP3704858A1 (en) 2020-09-09
US20250294192A1 (en) 2025-09-18
EP3704858B1 (en) 2025-12-03
JP7656015B2 (ja) 2025-04-02
US12348787B2 (en) 2025-07-01
SG11202003927TA (en) 2020-05-28
CN116866559A (zh) 2023-10-10
JP2021503862A (ja) 2021-02-12
CN111512632B (zh) 2023-07-14
WO2019089695A1 (en) 2019-05-09
PL3704858T3 (pl) 2026-04-20
EP4676052A2 (en) 2026-01-07
US11641488B2 (en) 2023-05-02

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