TW202234886A - 具有固定濾波器的自我調整迴路濾波器 - Google Patents

具有固定濾波器的自我調整迴路濾波器 Download PDF

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Publication number
TW202234886A
TW202234886A TW110148425A TW110148425A TW202234886A TW 202234886 A TW202234886 A TW 202234886A TW 110148425 A TW110148425 A TW 110148425A TW 110148425 A TW110148425 A TW 110148425A TW 202234886 A TW202234886 A TW 202234886A
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TW
Taiwan
Prior art keywords
sample
filter
reconstructed
value
video
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TW110148425A
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English (en)
Chinese (zh)
Inventor
瑪塔 卡克基維克茲
楠 胡
瓦迪姆 賽萊金
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美商高通公司
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Priority claimed from US17/557,706 external-priority patent/US11778177B2/en
Application filed by 美商高通公司 filed Critical 美商高通公司
Publication of TW202234886A publication Critical patent/TW202234886A/zh

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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
    • H04N19/102—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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • 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
    • H04N19/70—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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
TW110148425A 2020-12-23 2021-12-23 具有固定濾波器的自我調整迴路濾波器 TW202234886A (zh)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US202063130275P 2020-12-23 2020-12-23
US63/130,275 2020-12-23
US202163148538P 2021-02-11 2021-02-11
US63/148,538 2021-02-11
US17/557,706 US11778177B2 (en) 2020-12-23 2021-12-21 Adaptive loop filter with fixed filters
US17/557,706 2021-12-21

Publications (1)

Publication Number Publication Date
TW202234886A true TW202234886A (zh) 2022-09-01

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ID=80001446

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TW110148425A TW202234886A (zh) 2020-12-23 2021-12-23 具有固定濾波器的自我調整迴路濾波器

Country Status (5)

Country Link
EP (1) EP4268458A1 (ko)
JP (1) JP2024501465A (ko)
KR (1) KR20230123947A (ko)
TW (1) TW202234886A (ko)
WO (1) WO2022140567A1 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024164022A1 (en) * 2023-02-05 2024-08-08 Beijing Dajia Internet Information Technology Co., Ltd Methods and devices for adaptive loop filter and cross-component adaptive loop filter

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11405611B2 (en) 2016-02-15 2022-08-02 Qualcomm Incorporated Predicting filter coefficients from fixed filters for video coding
US11889070B2 (en) * 2018-03-23 2024-01-30 Sharp Kabushiki Kaisha Image filtering apparatus, image decoding apparatus, and image coding apparatus

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Publication number Publication date
JP2024501465A (ja) 2024-01-12
KR20230123947A (ko) 2023-08-24
EP4268458A1 (en) 2023-11-01
WO2022140567A1 (en) 2022-06-30

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