ES3053322T3 - Block-based adaptive loop filter (alf) with adaptive parameter set (aps) in video coding - Google Patents

Block-based adaptive loop filter (alf) with adaptive parameter set (aps) in video coding

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Publication number
ES3053322T3
ES3053322T3 ES20720572T ES20720572T ES3053322T3 ES 3053322 T3 ES3053322 T3 ES 3053322T3 ES 20720572 T ES20720572 T ES 20720572T ES 20720572 T ES20720572 T ES 20720572T ES 3053322 T3 ES3053322 T3 ES 3053322T3
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Spain
Prior art keywords
image
fragment
tile
group
adaptive
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Active
Application number
ES20720572T
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English (en)
Spanish (es)
Inventor
Nan Hu
Vadim Seregin
Marta Karczewicz
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Qualcomm Inc
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Qualcomm Inc
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Publication of ES3053322T3 publication Critical patent/ES3053322T3/es
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Classifications

    • 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
    • H04N19/169—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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/31—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the temporal domain
    • 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
    • H04N19/42—Methods 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
    • H04N19/423—Methods 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
    • H04N19/426—Methods 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 using memory downsizing methods
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • 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)
ES20720572T 2019-03-26 2020-03-19 Block-based adaptive loop filter (alf) with adaptive parameter set (aps) in video coding Active ES3053322T3 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962824259P 2019-03-26 2019-03-26
US16/822,990 US11683487B2 (en) 2019-03-26 2020-03-18 Block-based adaptive loop filter (ALF) with adaptive parameter set (APS) in video coding
PCT/US2020/023655 WO2020197937A1 (en) 2019-03-26 2020-03-19 Block-based adaptive loop filter (alf) with adaptive parameter set (aps) in video coding

Publications (1)

Publication Number Publication Date
ES3053322T3 true ES3053322T3 (en) 2026-01-21

Family

ID=72605357

Family Applications (1)

Application Number Title Priority Date Filing Date
ES20720572T Active ES3053322T3 (en) 2019-03-26 2020-03-19 Block-based adaptive loop filter (alf) with adaptive parameter set (aps) in video coding

Country Status (11)

Country Link
US (1) US11683487B2 (https=)
EP (1) EP3949412B1 (https=)
JP (1) JP7423653B2 (https=)
KR (1) KR20210135251A (https=)
CN (1) CN113615189B (https=)
BR (1) BR112021018144A2 (https=)
ES (1) ES3053322T3 (https=)
PL (1) PL3949412T3 (https=)
SG (1) SG11202109048SA (https=)
TW (1) TWI859207B (https=)
WO (1) WO2020197937A1 (https=)

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US11546587B2 (en) * 2019-04-11 2023-01-03 Mediatek Inc. Adaptive loop filter with adaptive parameter set
TW202518896A (zh) * 2019-06-20 2025-05-01 日商索尼股份有限公司 影像處理裝置及影像處理方法
AU2020310952A1 (en) 2019-07-08 2022-01-20 Voiceage Corporation Method and system for coding metadata in audio streams and for efficient bitrate allocation to audio streams coding
WO2021191114A1 (en) * 2020-03-26 2021-09-30 Interdigital Vc Holdings France Signaling coding parameters in video coding
CN115428444B (zh) 2020-04-01 2025-01-17 抖音视界有限公司 对自适应参数集语法元素的约束
CN115606183A (zh) 2020-04-07 2023-01-13 抖音视界有限公司（Cn） 参考图片环绕的剪裁操作
EP4118825A4 (en) * 2020-04-09 2023-08-09 Beijing Bytedance Network Technology Co., Ltd. DEBLOCK SIGNALING IN VIDEO CODING
WO2021204251A1 (en) 2020-04-10 2021-10-14 Beijing Bytedance Network Technology Co., Ltd. Use of header syntax elements and adaptation parameter set
WO2021209061A1 (en) 2020-04-17 2021-10-21 Beijing Bytedance Network Technology Co., Ltd. Presence of adaptation parameter set units
KR102917555B1 (ko) 2020-04-26 2026-01-23 바이트댄스 아이엔씨 비디오 코딩 신택스 요소의 조건적 시그널링
CN113824956B (zh) * 2020-08-24 2022-12-23 杭州海康威视数字技术股份有限公司 滤波方法、装置、设备及机器可读存储介质
US11863742B2 (en) 2020-12-03 2024-01-02 Alibaba Group Holding Limited Method for using adaptive loop filter and system thereof
US11743507B2 (en) * 2020-12-16 2023-08-29 Tencent America LLC Method and apparatus for video filtering
US12439095B2 (en) * 2021-04-16 2025-10-07 Tencent America LLC Entropy coding of sign map for transform coefficients
US12309433B2 (en) * 2021-05-20 2025-05-20 Lemon Inc. On padding methods for neural network-based in-loop filter
EP4281926A4 (en) 2021-07-13 2024-07-17 Samsung Electronics Co., Ltd. SYSTEM AND METHOD FOR RENDERING DIFFERENTIAL VIDEO ON GRAPHIC DISPLAYS
US12348789B1 (en) * 2021-07-22 2025-07-01 Meta Platforms, Inc. Optimization of constrained directional enhancement filtering (CDEF)
US12160562B2 (en) * 2021-09-15 2024-12-03 Tencent America LLC On propagating intra prediction mode information of IBC block by using block vector
US11838557B2 (en) * 2021-11-17 2023-12-05 Mediatek Inc. Methods and apparatuses of ALF derivation in video encoding system
CN116456086A (zh) * 2022-01-07 2023-07-18 腾讯科技（深圳）有限公司 环路滤波方法、视频编解码方法、装置、介质及电子设备
EP4559183A1 (en) * 2022-07-20 2025-05-28 Mediatek Inc. Adaptive loop filter with adaptive filter strength
CN120380765A (zh) * 2022-12-02 2025-07-25 联发科技股份有限公司 方法和装置用于适应性环路滤波（alf）与固定滤波器用于视频编解码
CN120731601A (zh) * 2023-02-16 2025-09-30 抖音视界有限公司 视频编解码中经多个自适应环路滤波器处理的重建
WO2025149075A1 (en) * 2024-01-11 2025-07-17 Douyin Vision Co., Ltd. Line buffer for in-loop filter in video coding
US20250392710A1 (en) * 2024-06-20 2025-12-25 Qualcomm Incorporated Temporal scalability for adaptive loop filter scaling factors for video coding
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Also Published As

Publication number Publication date
US20200314424A1 (en) 2020-10-01
EP3949412C0 (en) 2025-10-29
JP7423653B2 (ja) 2024-01-29
JP2022525470A (ja) 2022-05-16
PL3949412T3 (pl) 2026-02-09
SG11202109048SA (en) 2021-10-28
BR112021018144A2 (pt) 2021-11-16
WO2020197937A1 (en) 2020-10-01
CN113615189A (zh) 2021-11-05
US11683487B2 (en) 2023-06-20
CN113615189B (zh) 2025-02-14
KR20210135251A (ko) 2021-11-12
TW202044831A (zh) 2020-12-01
EP3949412A1 (en) 2022-02-09
TWI859207B (zh) 2024-10-21
EP3949412B1 (en) 2025-10-29

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