KR102925104B1 - 비디오 필터링 방법 및 장치 - Google Patents

비디오 필터링 방법 및 장치

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Publication number
KR102925104B1
KR102925104B1 KR1020227037558A KR20227037558A KR102925104B1 KR 102925104 B1 KR102925104 B1 KR 102925104B1 KR 1020227037558 A KR1020227037558 A KR 1020227037558A KR 20227037558 A KR20227037558 A KR 20227037558A KR 102925104 B1 KR102925104 B1 KR 102925104B1
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KR
South Korea
Prior art keywords
filter
video
sample
block
chroma
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KR1020227037558A
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English (en)
Korean (ko)
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KR20220160082A (ko
Inventor
이신 두
신 자오
샨 리우
Original Assignee
텐센트 아메리카 엘엘씨
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Priority to KR1020267003742A priority Critical patent/KR20260027354A/ko
Publication of KR20220160082A publication Critical patent/KR20220160082A/ko
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Publication of KR102925104B1 publication Critical patent/KR102925104B1/ko
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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
    • H04N19/124—Quantisation
    • 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
    • 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
    • H04N19/182—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 pixel
    • 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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020227037558A 2021-03-12 2021-09-30 비디오 필터링 방법 및 장치 Active KR102925104B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020267003742A KR20260027354A (ko) 2021-03-12 2021-09-30 비디오 필터링 방법 및 장치

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202163160560P 2021-03-12 2021-03-12
US63/160,560 2021-03-12
US17/449,199 2021-09-28
US17/449,199 US11785213B2 (en) 2021-03-12 2021-09-28 Method and apparatus for video filtering
PCT/US2021/053023 WO2022191874A1 (en) 2021-03-12 2021-09-30 Method and apparatus for video filtering

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020267003742A Division KR20260027354A (ko) 2021-03-12 2021-09-30 비디오 필터링 방법 및 장치

Publications (2)

Publication Number Publication Date
KR20220160082A KR20220160082A (ko) 2022-12-05
KR102925104B1 true KR102925104B1 (ko) 2026-02-10

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KR1020227037558A Active KR102925104B1 (ko) 2021-03-12 2021-09-30 비디오 필터링 방법 및 장치
KR1020267003742A Pending KR20260027354A (ko) 2021-03-12 2021-09-30 비디오 필터링 방법 및 장치

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Country Status (6)

Country Link
US (3) US11785213B2 (https=)
EP (1) EP4101163A4 (https=)
JP (3) JP7408834B2 (https=)
KR (2) KR102925104B1 (https=)
CN (2) CN115398893B (https=)
WO (1) WO2022191874A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN120500842A (zh) * 2022-12-31 2025-08-15 抖音视界有限公司 用于视频处理的方法、装置和介质
US20240357095A1 (en) * 2023-04-13 2024-10-24 Qualcomm Incorporated Adaptive video filter
US12593039B2 (en) 2023-08-30 2026-03-31 Tencent America LLC Cross-component sample offset (CCSO) with adaptive multi-tap-filter classifiers
WO2026055438A1 (en) * 2024-09-08 2026-03-12 Google Llc Scaling in cross-component sample offset

Citations (2)

* Cited by examiner, † Cited by third party
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US20150317772A1 (en) 2012-05-31 2015-11-05 Apple Inc. Systems and methods for chroma noise reduction
WO2022072002A1 (en) 2020-10-01 2022-04-07 Tencent America LLC Method and apparatus for offset in video filtering

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EP2232874B1 (en) * 2008-01-08 2012-12-05 Telefonaktiebolaget L M Ericsson (publ) Adaptive filtering
WO2012094751A1 (en) * 2011-01-14 2012-07-19 Ebrisk Video Inc. Adaptive loop filtering using tables of filter sets for video coding
EP2697973B1 (en) * 2012-04-16 2017-06-28 HFI Innovation Inc. Method and apparatus for loop filtering across slice or tile boundaries
CA2908323C (en) * 2013-07-15 2021-07-06 Mediatek Inc. Method of sample adaptive offset processing for video coding
GB2580173B (en) 2018-12-21 2022-07-27 Canon Kk A filter
WO2020224545A1 (en) * 2019-05-04 2020-11-12 Huawei Technologies Co., Ltd. An encoder, a decoder and corresponding methods using an adaptive loop filter
TWI747339B (zh) 2019-06-27 2021-11-21 聯發科技股份有限公司 視訊編解碼之方法和裝置
CN120302049A (zh) * 2019-08-08 2025-07-11 松下电器（美国）知识产权公司 用于视频编码的系统和方法
WO2021045130A1 (en) * 2019-09-03 2021-03-11 Panasonic Intellectual Property Corporation Of America System and method for video coding
US20210076032A1 (en) * 2019-09-09 2021-03-11 Qualcomm Incorporated Filter shapes for cross-component adaptive loop filter with different chroma formats in video coding
KR20220066045A (ko) * 2019-09-19 2022-05-23 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 비디오 코딩의 스케일링 윈도우
US11265558B2 (en) * 2019-11-22 2022-03-01 Qualcomm Incorporated Cross-component adaptive loop filter
US12075034B2 (en) * 2020-07-24 2024-08-27 Qualcomm Incorporated Multiple adaptive loop filter sets
US11546638B2 (en) * 2020-12-08 2023-01-03 Tencent America LLC Method and apparatus for video filtering

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150317772A1 (en) 2012-05-31 2015-11-05 Apple Inc. Systems and methods for chroma noise reduction
WO2022072002A1 (en) 2020-10-01 2022-04-07 Tencent America LLC Method and apparatus for offset in video filtering

Also Published As

Publication number Publication date
EP4101163A4 (en) 2023-07-05
JP2023521324A (ja) 2023-05-24
US20250337896A1 (en) 2025-10-30
US12375656B2 (en) 2025-07-29
JP2024019652A (ja) 2024-02-09
WO2022191874A1 (en) 2022-09-15
JP2026012316A (ja) 2026-01-23
US11785213B2 (en) 2023-10-10
CN115398893B (zh) 2024-05-28
JP7768960B2 (ja) 2025-11-12
KR20220160082A (ko) 2022-12-05
US20220295053A1 (en) 2022-09-15
JP7408834B2 (ja) 2024-01-05
CN118631994A (zh) 2024-09-10
CN115398893A (zh) 2022-11-25
KR20260027354A (ko) 2026-02-27
US20230421759A1 (en) 2023-12-28
EP4101163A1 (en) 2022-12-14

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