JP7423653B2 - ビデオコーディングにおける適応パラメータセット（ａｐｓ）を用いるブロックベースの適応ループフィルタ（ａｌｆ） - Google Patents

ビデオコーディングにおける適応パラメータセット（ａｐｓ）を用いるブロックベースの適応ループフィルタ（ａｌｆ） Download PDF

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JP7423653B2
JP7423653B2 JP2021556314A JP2021556314A JP7423653B2 JP 7423653 B2 JP7423653 B2 JP 7423653B2 JP 2021556314 A JP2021556314 A JP 2021556314A JP 2021556314 A JP2021556314 A JP 2021556314A JP 7423653 B2 JP7423653 B2 JP 7423653B2
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フ、ナン
セレジン、バディム
カルチェビチ、マルタ
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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
    • H04N19/42—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
    • H04N19/10—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
    • H04N19/46—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
    • H04N19/70—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
    • H04N19/30—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
    • H04N19/50—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

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JP2021556314A 2019-03-26 2020-03-19 ビデオコーディングにおける適応パラメータセット（ａｐｓ）を用いるブロックベースの適応ループフィルタ（ａｌｆ） Active JP7423653B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962824259P 2019-03-26 2019-03-26
US62/824,259 2019-03-26
US16/822,990 2020-03-18
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

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JP2022525470A JP2022525470A (ja) 2022-05-16
JP2022525470A5 JP2022525470A5 (https=) 2023-03-06
JPWO2020197937A5 JPWO2020197937A5 (https=) 2023-03-06
JP7423653B2 true JP7423653B2 (ja) 2024-01-29

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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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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
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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
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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
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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
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US20200314424A1 (en) 2020-10-01
EP3949412C0 (en) 2025-10-29
JP2022525470A (ja) 2022-05-16
PL3949412T3 (pl) 2026-02-09
SG11202109048SA (en) 2021-10-28
BR112021018144A2 (pt) 2021-11-16
ES3053322T3 (en) 2026-01-21
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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