KR20220055498A - 기하학적 교차-성분 필터링 - Google Patents

기하학적 교차-성분 필터링 Download PDF

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Publication number
KR20220055498A
KR20220055498A KR1020227011988A KR20227011988A KR20220055498A KR 20220055498 A KR20220055498 A KR 20220055498A KR 1020227011988 A KR1020227011988 A KR 1020227011988A KR 20227011988 A KR20227011988 A KR 20227011988A KR 20220055498 A KR20220055498 A KR 20220055498A
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South Korea
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directionality
computer
video data
edge direction
filter
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KR1020227011988A
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English (en)
Korean (ko)
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이신 두
신 자오
산 류
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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
    • H04N19/10—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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/17—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
    • H04N19/186—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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • 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
    • H04N19/80—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
    • H04N19/70—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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020227011988A 2020-04-26 2021-04-13 기하학적 교차-성분 필터링 Pending KR20220055498A (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202063015586P 2020-04-26 2020-04-26
US63/015,586 2020-04-26
US17/077,564 US11394967B2 (en) 2020-04-26 2020-10-22 Geometric cross-component filtering
US17/077,564 2020-10-22
PCT/US2021/027024 WO2021221901A1 (en) 2020-04-26 2021-04-13 Geometric cross-component filtering

Publications (1)

Publication Number Publication Date
KR20220055498A true KR20220055498A (ko) 2022-05-03

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KR1020227011988A Pending KR20220055498A (ko) 2020-04-26 2021-04-13 기하학적 교차-성분 필터링

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Country Link
US (2) US11394967B2 (https=)
EP (1) EP4000262A4 (https=)
JP (2) JP7467617B2 (https=)
KR (1) KR20220055498A (https=)
CN (1) CN114391253B (https=)
WO (1) WO2021221901A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12335470B2 (en) * 2021-02-26 2025-06-17 Alibaba Group Holding Limited Directional cross component filter for video coding

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US6023525A (en) 1997-10-23 2000-02-08 Xerox Corporation Determining an optimal color space direction for selecting color modulations
KR101291196B1 (ko) 2008-01-25 2013-07-31 삼성전자주식회사 영상의 부호화, 복호화 방법 및 장치
WO2009133844A1 (ja) * 2008-04-30 2009-11-05 株式会社 東芝 エッジを考慮したフィルタリング機能を備えた動画像符号化／復号化方法及び装置
US20160241881A1 (en) 2015-02-13 2016-08-18 Mediatek Inc. Method and Apparatus of Loop Filters for Efficient Hardware Implementation
US10432932B2 (en) * 2015-07-10 2019-10-01 Mozilla Corporation Directional deringing filters
US11405611B2 (en) * 2016-02-15 2022-08-02 Qualcomm Incorporated Predicting filter coefficients from fixed filters for video coding
US11095922B2 (en) * 2016-08-02 2021-08-17 Qualcomm Incorporated Geometry transformation-based adaptive loop filtering
US10419757B2 (en) * 2016-08-31 2019-09-17 Qualcomm Incorporated Cross-component filter
US10440396B2 (en) * 2017-03-28 2019-10-08 Qualcomm Incorporated Filter information sharing among color components
EP4415366B1 (en) * 2017-08-03 2026-03-04 Sharp Kabushiki Kaisha Systems and methods for partitioning video blocks in an inter prediction slice of video data
KR102643115B1 (ko) * 2017-11-29 2024-03-04 한국전자통신연구원 루프내 필터링을 이용한 영상 부호화/복호화 방법 및 장치
KR20190107944A (ko) * 2018-03-13 2019-09-23 삼성전자주식회사 복원 영상에 대한 필터링을 수행하는 영상 처리 장치 및 이의 필터링 방법
US20190306502A1 (en) * 2018-04-02 2019-10-03 Qualcomm Incorporated System and method for improved adaptive loop filtering
US20190306534A1 (en) * 2018-04-02 2019-10-03 Qualcomm Incorporated Unification of deblocking filter and adaptive loop filter
KR20250107970A (ko) 2018-12-23 2025-07-14 후아웨이 테크놀러지 컴퍼니 리미티드 인코더, 디코더 및 적응 루프 필터를 사용한 대응 방법들
KR102762212B1 (ko) * 2019-10-10 2025-02-07 두인 비전 컴퍼니 리미티드 적응적 루프 필터링에서 이용 불가능한 샘플 위치들에서의 패딩 프로세스
US11716468B2 (en) * 2019-12-20 2023-08-01 Qualcomm Incorporated Adaptive loop filter signaling redundancy removal field
US11303892B2 (en) * 2020-01-23 2022-04-12 Qualcomm Incorporated Adaptive rounding for loop filters
IL295013B2 (en) * 2020-01-24 2026-04-01 Huawei Tech Co Ltd Encoder, decoder and matching methods for adaptive loop filtering
US11523138B2 (en) * 2020-03-26 2022-12-06 Alibaba Group Holding Limited Method and apparatus for cross component filtering

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Publication number Publication date
EP4000262A4 (en) 2023-01-04
WO2021221901A1 (en) 2021-11-04
CN114391253A (zh) 2022-04-22
JP7467617B2 (ja) 2024-04-15
JP2024074872A (ja) 2024-05-31
US20220303530A1 (en) 2022-09-22
JP7652964B2 (ja) 2025-03-27
CN114391253B (zh) 2024-11-29
JP2022553696A (ja) 2022-12-26
US20210337193A1 (en) 2021-10-28
US11882278B2 (en) 2024-01-23
US11394967B2 (en) 2022-07-19
EP4000262A1 (en) 2022-05-25

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