KR102905362B1 - 비디오 필터링 방법 및 장치 - Google Patents

비디오 필터링 방법 및 장치

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Publication number
KR102905362B1
KR102905362B1 KR1020227022393A KR20227022393A KR102905362B1 KR 102905362 B1 KR102905362 B1 KR 102905362B1 KR 1020227022393 A KR1020227022393 A KR 1020227022393A KR 20227022393 A KR20227022393 A KR 20227022393A KR 102905362 B1 KR102905362 B1 KR 102905362B1
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South Korea
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filter
sample
video
shape configuration
picture
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KR1020227022393A
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English (en)
Korean (ko)
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KR20220100991A (ko
Inventor
이신 두
신 자오
샨 리우
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텐센트 아메리카 엘엘씨
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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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • 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
    • 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
    • H04N19/10—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
    • H04N19/10—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
    • H04N19/186—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 colour or a chrominance component
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020227022393A 2020-12-08 2021-08-03 비디오 필터링 방법 및 장치 Active KR102905362B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020257042965A KR20260006076A (ko) 2020-12-08 2021-08-03 비디오 필터링 방법 및 장치

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202063122780P 2020-12-08 2020-12-08
US63/122,780 2020-12-08
US17/368,734 US11546638B2 (en) 2020-12-08 2021-07-06 Method and apparatus for video filtering
US17/368,734 2021-07-06
PCT/US2021/044333 WO2022125151A1 (en) 2020-12-08 2021-08-03 Method and apparatus for video filtering

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020257042965A Division KR20260006076A (ko) 2020-12-08 2021-08-03 비디오 필터링 방법 및 장치

Publications (2)

Publication Number Publication Date
KR20220100991A KR20220100991A (ko) 2022-07-18
KR102905362B1 true KR102905362B1 (ko) 2025-12-29

Family

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KR1020227022393A Active KR102905362B1 (ko) 2020-12-08 2021-08-03 비디오 필터링 방법 및 장치
KR1020257042965A Pending KR20260006076A (ko) 2020-12-08 2021-08-03 비디오 필터링 방법 및 장치

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Country Status (6)

Country Link
US (4) US11546638B2 (https=)
EP (1) EP4074035A4 (https=)
JP (3) JP7434588B2 (https=)
KR (2) KR102905362B1 (https=)
CN (2) CN115104303B (https=)
WO (1) WO2022125151A1 (https=)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11778177B2 (en) * 2020-12-23 2023-10-03 Qualcomm Incorporated Adaptive loop filter with fixed filters
JP7684411B2 (ja) * 2021-02-01 2025-05-27 ベイジン ダージャー インターネット インフォメーション テクノロジー カンパニー リミテッド クロスコンポーネントサンプリング適応オフセットにおける彩度符号化復号化の強化
US11785213B2 (en) * 2021-03-12 2023-10-10 Tencent America LLC Method and apparatus for video filtering
KR20230156790A (ko) 2021-03-18 2023-11-14 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 교차 컴포넌트 샘플 적응적 오프셋에서의 코딩 향상
US11770524B2 (en) * 2021-11-11 2023-09-26 Realtek Semiconductor Corp. Loop filter utilized in encoder and associated signal processing method
WO2024026098A1 (en) * 2022-07-28 2024-02-01 Beijing Dajia Internet Information Technology Co., Ltd Method and apparatus for cross-component prediction for video coding
CN117834864B (zh) * 2022-09-27 2025-11-18 中兴通讯股份有限公司 一种视频编解码环路滤波方法、视频解码方法及装置
US20240129461A1 (en) * 2022-10-04 2024-04-18 Tencent America LLC Systems and methods for cross-component sample offset filter information signaling
US20240414333A1 (en) * 2023-06-08 2024-12-12 Qualcomm Incorporated Mapping table derivation for fixed filter sets in video coding
US20260019574A1 (en) * 2024-07-14 2026-01-15 Tencent America LLC Techniques for in-loop filtering

Citations (1)

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WO2019026721A1 (en) 2017-08-01 2019-02-07 Sharp Kabushiki Kaisha SYSTEMS AND METHODS FOR FILTERING RECONSTRUCTED VIDEO DATA USING ADAPTIVE LOOP FILTERING TECHNIQUES

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WO2012094751A1 (en) * 2011-01-14 2012-07-19 Ebrisk Video Inc. Adaptive loop filtering using tables of filter sets for video coding
US20130322523A1 (en) * 2011-05-10 2013-12-05 Mediatek Inc. Method and apparatus for reduction of in-loop filter buffer
JP2013187868A (ja) 2012-03-09 2013-09-19 Sharp Corp 画像復号装置、画像符号化装置、およびデータ構造
US10419757B2 (en) 2016-08-31 2019-09-17 Qualcomm Incorporated Cross-component filter
KR102643115B1 (ko) 2017-11-29 2024-03-04 한국전자통신연구원 루프내 필터링을 이용한 영상 부호화/복호화 방법 및 장치
GB2580173B (en) 2018-12-21 2022-07-27 Canon Kk A filter
WO2020175893A1 (ko) 2019-02-28 2020-09-03 엘지전자 주식회사 Aps 시그널링 기반 비디오 또는 영상 코딩
WO2020224545A1 (en) * 2019-05-04 2020-11-12 Huawei Technologies Co., Ltd. An encoder, a decoder and corresponding methods using an adaptive loop filter

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
WO2019026721A1 (en) 2017-08-01 2019-02-07 Sharp Kabushiki Kaisha SYSTEMS AND METHODS FOR FILTERING RECONSTRUCTED VIDEO DATA USING ADAPTIVE LOOP FILTERING TECHNIQUES

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Chen J et al: "Algorithm description for Versatile Video Coding and Test Model 8 (VTM 8)", JVET-Q2002, ver3, 2020-03-24.*

Also Published As

Publication number Publication date
EP4074035A1 (en) 2022-10-19
JP2025170000A (ja) 2025-11-14
US11546638B2 (en) 2023-01-03
CN115104303A (zh) 2022-09-23
KR20220100991A (ko) 2022-07-18
JP7434588B2 (ja) 2024-02-20
US12126838B2 (en) 2024-10-22
KR20260006076A (ko) 2026-01-12
CN121842378A (zh) 2026-04-10
EP4074035A4 (en) 2023-01-25
CN115104303B (zh) 2026-02-10
JP2023515506A (ja) 2023-04-13
US20220182680A1 (en) 2022-06-09
JP2024036568A (ja) 2024-03-15
US20230077218A1 (en) 2023-03-09
US20250016379A1 (en) 2025-01-09
WO2022125151A1 (en) 2022-06-16
US20250047907A1 (en) 2025-02-06
JP7743951B2 (ja) 2025-09-25

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