DK4082213T3 - Sløjfefilter til videokodning - Google Patents

Sløjfefilter til videokodning Download PDF

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Publication number
DK4082213T3
DK4082213T3 DK20906639.8T DK20906639T DK4082213T3 DK 4082213 T3 DK4082213 T3 DK 4082213T3 DK 20906639 T DK20906639 T DK 20906639T DK 4082213 T3 DK4082213 T3 DK 4082213T3
Authority
DK
Denmark
Prior art keywords
loop filter
video encoding
encoding
video
loop
Prior art date
Application number
DK20906639.8T
Other languages
English (en)
Inventor
Yi-Wen Chen
Xiaoyu Xiu
Tsung-Chuan Ma
Hong-Jheng Jhu
Xianglin Wang
Bing Yu
Original Assignee
Beijing Dajia Internet Information Tech Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Dajia Internet Information Tech Co Ltd filed Critical Beijing Dajia Internet Information Tech Co Ltd
Application granted granted Critical
Publication of DK4082213T3 publication Critical patent/DK4082213T3/da

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/117Filters, e.g. for pre-processing or post-processing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/156Availability of hardware or computational resources, e.g. encoding based on power-saving criteria
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/167Position within a video image, e.g. region of interest [ROI]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/172Methods 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 picture, frame or field
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/182Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/186Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
DK20906639.8T 2019-12-28 2020-12-28 Sløjfefilter til videokodning DK4082213T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962954485P 2019-12-28 2019-12-28
PCT/US2020/067159 WO2021134064A1 (en) 2019-12-28 2020-12-28 In-loop filters for video coding

Publications (1)

Publication Number Publication Date
DK4082213T3 true DK4082213T3 (da) 2024-09-16

Family

ID=76575702

Family Applications (1)

Application Number Title Priority Date Filing Date
DK20906639.8T DK4082213T3 (da) 2019-12-28 2020-12-28 Sløjfefilter til videokodning

Country Status (13)

Country Link
US (3) US12003729B2 (da)
EP (5) EP4661403A3 (da)
JP (3) JP7336037B2 (da)
KR (2) KR102585317B1 (da)
CN (3) CN118869993B (da)
DK (1) DK4082213T3 (da)
ES (4) ES3062944T3 (da)
FI (1) FI4082213T3 (da)
HU (1) HUE068218T2 (da)
MX (5) MX2022008040A (da)
PL (1) PL4082213T3 (da)
PT (1) PT4082213T (da)
WO (1) WO2021134064A1 (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20260089331A1 (en) * 2022-09-16 2026-03-26 Kt Corporation Image encoding/decoding method and recording medium storing bitstream
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

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9094658B2 (en) * 2010-05-10 2015-07-28 Mediatek Inc. Method and apparatus of adaptive loop filtering
AU2015261734A1 (en) * 2015-11-30 2017-06-15 Canon Kabushiki Kaisha Method, apparatus and system for encoding and decoding video data according to local luminance intensity
EP3297282A1 (en) * 2016-09-15 2018-03-21 Thomson Licensing Method and apparatus for video coding with adaptive clipping
WO2018105579A1 (ja) * 2016-12-09 2018-06-14 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法及び復号方法
US10708592B2 (en) * 2018-04-02 2020-07-07 Qualcomm Incorporated Deblocking filter for video coding and processing
US11477448B2 (en) * 2019-01-25 2022-10-18 Hfi Innovation Inc. Method and apparatus for non-linear adaptive loop filtering in video coding
GB2582029A (en) * 2019-03-08 2020-09-09 Canon Kk An adaptive loop filter
WO2020182620A1 (en) * 2019-03-08 2020-09-17 Canon Kabushiki Kaisha An adaptive loop 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
US11356662B2 (en) * 2019-05-21 2022-06-07 Qualcomm Incorporated Simplification of clipping value calculation for adaptive loop filters
JP6811931B2 (ja) 2019-06-20 2021-01-13 Kddi株式会社 画像復号装置、画像復号方法及びプログラム
EP3977736A4 (en) * 2019-06-24 2022-06-29 Huawei Technologies Co., Ltd. Clipping levels for non-linear adaptive loop filter
BR112022005487A2 (pt) * 2019-09-23 2022-06-14 Vid Scale Inc Aparelho para processamento de vídeo, método, e, mídia legível por computador

Also Published As

Publication number Publication date
EP4429244A2 (en) 2024-09-11
EP4661403A3 (en) 2026-03-11
JP2022552437A (ja) 2022-12-15
US20240251085A1 (en) 2024-07-25
MX2022008040A (es) 2022-08-22
EP4661403A2 (en) 2025-12-10
MX2025012879A (es) 2025-12-01
HUE068218T2 (hu) 2024-12-28
KR20230145216A (ko) 2023-10-17
KR20220114092A (ko) 2022-08-17
CN115643402A (zh) 2023-01-24
EP4429243A2 (en) 2024-09-11
PL4082213T3 (pl) 2025-02-24
EP4429242A2 (en) 2024-09-11
CN118869993B (zh) 2025-11-07
EP4429242B1 (en) 2025-11-12
ES2994635T3 (en) 2025-01-28
CN118869993A (zh) 2024-10-29
US12395636B2 (en) 2025-08-19
ES3054685T3 (en) 2026-02-05
JP7551868B2 (ja) 2024-09-17
ES3062944T3 (en) 2026-04-14
WO2021134064A1 (en) 2021-07-01
EP4082213A1 (en) 2022-11-02
EP4429244C0 (en) 2026-02-04
MX2025012877A (es) 2025-12-01
EP4082213B1 (en) 2024-09-04
FI4082213T3 (fi) 2024-09-19
CN115643402B (zh) 2023-09-19
EP4082213A4 (en) 2023-06-14
US20220329817A1 (en) 2022-10-13
JP2023156469A (ja) 2023-10-24
US12003729B2 (en) 2024-06-04
MX2025012880A (es) 2025-12-01
EP4429242A3 (en) 2024-11-20
EP4429242C0 (en) 2025-11-12
KR102585317B1 (ko) 2023-10-04
EP4429243C0 (en) 2025-11-19
JP7336037B2 (ja) 2023-08-30
EP4429243A3 (en) 2024-11-20
EP4429243B1 (en) 2025-11-19
JP7836866B2 (ja) 2026-03-27
MX2025012878A (es) 2025-12-01
JP2024167388A (ja) 2024-12-03
US20250358423A1 (en) 2025-11-20
PT4082213T (pt) 2024-10-15
EP4429244B1 (en) 2026-02-04
EP4429244A3 (en) 2024-11-27
ES3055884T3 (en) 2026-02-16
CN115176481A (zh) 2022-10-11

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