JP7498297B2 - ビデオフィルタリングのための方法および装置 - Google Patents

ビデオフィルタリングのための方法および装置 Download PDF

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JP7498297B2
JP7498297B2 JP2022563467A JP2022563467A JP7498297B2 JP 7498297 B2 JP7498297 B2 JP 7498297B2 JP 2022563467 A JP2022563467 A JP 2022563467A JP 2022563467 A JP2022563467 A JP 2022563467A JP 7498297 B2 JP7498297 B2 JP 7498297B2
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JP2023522703A (ja
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イシン・ドゥ
シン・ジャオ
シャン・リュウ
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Tencent America LLC
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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
    • 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
    • H04N19/186—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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/85—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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  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2022563467A 2021-03-22 2021-09-30 ビデオフィルタリングのための方法および装置 Active JP7498297B2 (ja)

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JP2024087091A JP7813835B2 (ja) 2021-03-22 2024-05-29 ビデオフィルタリングのための方法および装置

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US202163164478P 2021-03-22 2021-03-22
US63/164,478 2021-03-22
US17/449,126 2021-09-28
US17/449,126 US11750846B2 (en) 2021-03-22 2021-09-28 Method and apparatus for video filtering
PCT/US2021/052941 WO2022203719A1 (en) 2021-03-22 2021-09-30 Method and apparatus for video filtering

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US (3) US11750846B2 (https=)
EP (1) EP4115613A4 (https=)
JP (2) JP7498297B2 (https=)
KR (2) KR20260041915A (https=)
CN (2) CN115398899B (https=)
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US11483557B2 (en) * 2020-06-18 2022-10-25 Tencent America LLC Separate constrained directional enhancement filter
US11770524B2 (en) * 2021-11-11 2023-09-26 Realtek Semiconductor Corp. Loop filter utilized in encoder and associated signal processing method
US11838557B2 (en) * 2021-11-17 2023-12-05 Mediatek Inc. Methods and apparatuses of ALF derivation in video encoding system
WO2023186474A1 (en) * 2022-03-31 2023-10-05 Nokia Technologies Oy In-loop filters at virtual boundaries
US12439037B2 (en) * 2022-12-22 2025-10-07 Qualcomm Incorporated Area optimized storage scheme for cross-component adaptive loop filtering
US12593039B2 (en) 2023-08-30 2026-03-31 Tencent America LLC Cross-component sample offset (CCSO) with adaptive multi-tap-filter classifiers
US20250113045A1 (en) * 2023-10-02 2025-04-03 Netflix, Inc. Techniques for debanding in the intra-prediction stage of a video coding pipeline
WO2025096113A1 (en) * 2023-11-01 2025-05-08 Apple Inc. Techniques for contouring/banding artifact removal in compressed image/video

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US20170230656A1 (en) 2016-02-05 2017-08-10 Apple Inc. Sample adaptive offset systems and methods
US20200296364A1 (en) 2019-03-12 2020-09-17 Qualcomm Incorporated Combined in-loop filters for video coding
US20200314452A1 (en) 2018-06-06 2020-10-01 Intel Corporation Loop restoration filtering for super resolution video coding
US20210044834A1 (en) 2019-08-08 2021-02-11 Panasonic Intellectual Property Corporation Of America System and method for video coding

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US10419757B2 (en) * 2016-08-31 2019-09-17 Qualcomm Incorporated Cross-component filter
GB2580173B (en) * 2018-12-21 2022-07-27 Canon Kk A filter
US11477448B2 (en) * 2019-01-25 2022-10-18 Hfi Innovation Inc. Method and apparatus for non-linear adaptive loop filtering in video coding
US12335470B2 (en) * 2021-02-26 2025-06-17 Alibaba Group Holding Limited Directional cross component filter for video coding

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US20170230656A1 (en) 2016-02-05 2017-08-10 Apple Inc. Sample adaptive offset systems and methods
US20200314452A1 (en) 2018-06-06 2020-10-01 Intel Corporation Loop restoration filtering for super resolution video coding
US20200296364A1 (en) 2019-03-12 2020-09-17 Qualcomm Incorporated Combined in-loop filters for video coding
US20210044834A1 (en) 2019-08-08 2021-02-11 Panasonic Intellectual Property Corporation Of America System and method for video coding

Non-Patent Citations (4)

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Title
Chih-Ming Fu et al.，Sample Adaptive Offset in the HEVC Standard [online]，Published in: IEEE Transactions on Circuits and Systems for Video Technology ( Volume: 22 , Issue: 12, December 2012), [2023年11月3日検索]，2012年10月05日，pp.1755-1764，インターネット ＜URL: https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6324411＞
Jianle Chen et al.，Algorithm description for Versatile Video Coding and Test Model 11 (VTM 11) [online]，JVET-T2002-v2（JVET-T2002-v2 .docx）, [2023年11月1日検索]，2021年01月05日，pp.1,8-13,69-79，インターネット ＜URL: https://jvet-experts.org/doc_end_user/documents/20_Teleconference/wg11/JVET-T2002-v5.zip＞
JINGNING HAN et al.，A Technical Overview of AV1 [online]，Published in: Proceedings of the IEEE ( Volume: 109 , Issue: 9, September 2021), [2023年11月1日検索]，2021年02月26日，pp.1435-1462，インターネット ＜URL: https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=9363937＞，DOI: 10.1109/JPROC.2021.3058584
Xin Zhao et al.，STUDY ON CODING TOOLS BEYOND AV1 [online]，arXiv:2012.13491 [cs.MM], [2023年11月1日検索]，2020年12月25日，インターネット ＜URL: https://arxiv.org/pdf/2012.13491.pdf＞

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Publication number Publication date
WO2022203719A1 (en) 2022-09-29
KR20260041915A (ko) 2026-03-27
EP4115613A1 (en) 2023-01-11
KR20220166354A (ko) 2022-12-16
US11750846B2 (en) 2023-09-05
US12088853B2 (en) 2024-09-10
JP7813835B2 (ja) 2026-02-13
CN115398899B (zh) 2024-10-29
EP4115613A4 (en) 2023-07-12
CN119299676A (zh) 2025-01-10
JP2023522703A (ja) 2023-05-31
JP2024107033A (ja) 2024-08-08
US20230353792A1 (en) 2023-11-02
CN115398899A (zh) 2022-11-25
KR102938375B1 (ko) 2026-03-16
US20240397112A1 (en) 2024-11-28
US20220303584A1 (en) 2022-09-22

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