KR102845452B1 - 비디오 필터링을 위한 방법 및 장치 - Google Patents

비디오 필터링을 위한 방법 및 장치

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KR102845452B1
KR102845452B1 KR1020227023393A KR20227023393A KR102845452B1 KR 102845452 B1 KR102845452 B1 KR 102845452B1 KR 1020227023393 A KR1020227023393 A KR 1020227023393A KR 20227023393 A KR20227023393 A KR 20227023393A KR 102845452 B1 KR102845452 B1 KR 102845452B1
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block
filter
component
chroma
luma
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KR20220106216A (ko
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량 자오
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
    • H04N19/134—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
    • H04N19/102—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
    • H04N19/117—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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/169—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
    • H04N19/182—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
    • H04N19/186—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
    • H04N19/70—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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020227023393A 2020-12-16 2021-06-29 비디오 필터링을 위한 방법 및 장치 Active KR102845452B1 (ko)

Priority Applications (1)

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KR1020257026507A KR20250126860A (ko) 2020-12-16 2021-06-29 비디오 필터링을 위한 방법 및 장치

Applications Claiming Priority (5)

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US202063126423P 2020-12-16 2020-12-16
US63/126,423 2020-12-16
US17/360,761 US11743507B2 (en) 2020-12-16 2021-06-28 Method and apparatus for video filtering
US17/360,761 2021-06-28
PCT/US2021/039593 WO2022132230A1 (en) 2020-12-16 2021-06-29 Method and apparatus for video filtering

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KR102845452B1 true KR102845452B1 (ko) 2025-08-13

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KR1020257026507A Pending KR20250126860A (ko) 2020-12-16 2021-06-29 비디오 필터링을 위한 방법 및 장치

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US (2) US11743507B2 (https=)
EP (1) EP4070550A4 (https=)
JP (2) JP7486595B2 (https=)
KR (2) KR102845452B1 (https=)
CN (1) CN115336270B (https=)
WO (1) WO2022132230A1 (https=)

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US11778177B2 (en) * 2020-12-23 2023-10-03 Qualcomm Incorporated Adaptive loop filter with fixed filters
US12160562B2 (en) * 2021-09-15 2024-12-03 Tencent America LLC On propagating intra prediction mode information of IBC block by using block vector
EP4430825A4 (en) * 2021-11-08 2025-08-20 Beijing Dajia Internet Information Tech Co Ltd ADAPTIVE CROSS-COMPONENT SAMPLE SHIFT
WO2023186474A1 (en) * 2022-03-31 2023-10-05 Nokia Technologies Oy In-loop filters at virtual boundaries
WO2024091094A1 (ko) * 2022-10-28 2024-05-02 주식회사 케이티 영상 부호화/복호화 방법 및 비트스트림을 저장하는 기록 매체
US12439049B2 (en) * 2023-10-09 2025-10-07 Tencent America LLC CCSO with high level flags
WO2025139389A1 (en) * 2023-12-27 2025-07-03 Mediatek Inc. Method and apparatus of adaptive loop filter with shared or adaptively refined fixed filters in video coding
KR102705004B1 (ko) 2024-04-23 2024-09-09 지니지 주식회사 엑소좀 복합체를 포함하는 인텐시브 화이트닝 및 피부 개선용 화장료 조성물
WO2026071732A1 (ko) * 2024-09-25 2026-04-02 디지털인사이트 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체
CN120050419B (zh) * 2025-04-25 2025-07-15 马栏山音视频实验室 基于视频帧间差异的时域滤波方法、装置、设备及介质

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US9591331B2 (en) * 2012-03-28 2017-03-07 Qualcomm Incorporated Merge signaling and loop filter on/off signaling
US9503732B2 (en) 2013-04-10 2016-11-22 Arris Enterprises, Inc. Re-sampling with phase offset adjustment for luma and chroma to select filters in scalable video coding
KR102257269B1 (ko) 2013-10-14 2021-05-26 마이크로소프트 테크놀로지 라이센싱, 엘엘씨 비디오 및 이미지 코딩 및 디코딩을 위한 인트라 블록 카피 예측 모드의 피쳐
GB2554686A (en) * 2016-10-04 2018-04-11 Nokia Technologies Oy An apparatus, a method and a computer program for video coding and decoding
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JP7790757B2 (ja) 2025-12-23
JP2023519818A (ja) 2023-05-15
CN115336270B (zh) 2025-08-22
CN115336270A (zh) 2022-11-11
WO2022132230A1 (en) 2022-06-23
US20220191551A1 (en) 2022-06-16
US11743507B2 (en) 2023-08-29
EP4070550A4 (en) 2023-05-03
EP4070550A1 (en) 2022-10-12
KR20220106216A (ko) 2022-07-28
JP2024099825A (ja) 2024-07-25
JP7486595B2 (ja) 2024-05-17
KR20250126860A (ko) 2025-08-25
US20230319317A1 (en) 2023-10-05
US12177492B2 (en) 2024-12-24

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