CN115104303B - 视频解码中的滤波方法和装置 - Google Patents

视频解码中的滤波方法和装置

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Publication number
CN115104303B
CN115104303B CN202180014369.6A CN202180014369A CN115104303B CN 115104303 B CN115104303 B CN 115104303B CN 202180014369 A CN202180014369 A CN 202180014369A CN 115104303 B CN115104303 B CN 115104303B
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China
Prior art keywords
filter
video
sample
shape configuration
samples
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CN202180014369.6A
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Chinese (zh)
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CN115104303A (zh
Inventor
杜祎鑫
赵欣
刘杉
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Tencent America LLC
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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
    • H04N19/80—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)
CN202180014369.6A 2020-12-08 2021-08-03 视频解码中的滤波方法和装置 Active CN115104303B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202610258696.0A CN121842378A (zh) 2020-12-08 2021-08-03 视频解码中的滤波方法、视频编码方法、装置和介质

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
CN202610258696.0A Division CN121842378A (zh) 2020-12-08 2021-08-03 视频解码中的滤波方法、视频编码方法、装置和介质

Publications (2)

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CN115104303A CN115104303A (zh) 2022-09-23
CN115104303B true CN115104303B (zh) 2026-02-10

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CN202180014369.6A Active CN115104303B (zh) 2020-12-08 2021-08-03 视频解码中的滤波方法和装置
CN202610258696.0A Pending CN121842378A (zh) 2020-12-08 2021-08-03 视频解码中的滤波方法、视频编码方法、装置和介质

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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=)

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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

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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
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
KR102905362B1 (ko) 2025-12-29

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