JP2025509129A - デブロッキングフィルタ前のサンプル及びサンプル適応オフセット前のサンプルを有する適応ループフィルタ - Google Patents

デブロッキングフィルタ前のサンプル及びサンプル適応オフセット前のサンプルを有する適応ループフィルタ Download PDF

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JP2025509129A
JP2025509129A JP2024550808A JP2024550808A JP2025509129A JP 2025509129 A JP2025509129 A JP 2025509129A JP 2024550808 A JP2024550808 A JP 2024550808A JP 2024550808 A JP2024550808 A JP 2024550808A JP 2025509129 A JP2025509129 A JP 2025509129A
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sample
filter
value
alf
applying
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JP2025509129A5 (https=
JPWO2023173068A5 (https=
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フー、ナン
セレジン、バディム
コトラ、ベンカタ・メヘル・サトチット・アナンド
カルチェビチ、マルタ
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Qualcomm Inc
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Qualcomm Inc
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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
    • 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
    • H04N19/134—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
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/182—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 pixel
    • 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
    • H04N19/85—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
    • 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
    • H04N19/172—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 picture, frame or field

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2024550808A 2022-03-11 2023-03-10 デブロッキングフィルタ前のサンプル及びサンプル適応オフセット前のサンプルを有する適応ループフィルタ Pending JP2025509129A (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202263269207P 2022-03-11 2022-03-11
US63/269,207 2022-03-11
US18/181,359 2023-03-09
US18/181,359 US12395628B2 (en) 2022-03-11 2023-03-09 Adaptive loop filter with samples before deblocking filter and samples before sample adaptive offsets
PCT/US2023/064108 WO2023173068A1 (en) 2022-03-11 2023-03-10 Adaptive loop filter with samples before deblocking filter and samples before sample adaptive offsets

Publications (3)

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JP2025509129A true JP2025509129A (ja) 2025-04-11
JP2025509129A5 JP2025509129A5 (https=) 2026-02-20
JPWO2023173068A5 JPWO2023173068A5 (https=) 2026-02-20

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JP2024550808A Pending JP2025509129A (ja) 2022-03-11 2023-03-10 デブロッキングフィルタ前のサンプル及びサンプル適応オフセット前のサンプルを有する適応ループフィルタ

Country Status (6)

Country Link
US (1) US12395628B2 (https=)
EP (1) EP4490909A1 (https=)
JP (1) JP2025509129A (https=)
KR (1) KR20240162039A (https=)
TW (1) TW202345593A (https=)
WO (1) WO2023173068A1 (https=)

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US12568212B2 (en) * 2022-07-15 2026-03-03 Tencent America LLC Adaptive loop filtering on output(s) from offline fixed filtering
WO2024022377A1 (en) * 2022-07-26 2024-02-01 Douyin Vision Co., Ltd. Using non-adjacent samples for adaptive loop filter in video coding
US20240414333A1 (en) * 2023-06-08 2024-12-12 Qualcomm Incorporated Mapping table derivation for fixed filter sets in video coding
US20250113045A1 (en) * 2023-10-02 2025-04-03 Netflix, Inc. Techniques for debanding in the intra-prediction stage of a video coding pipeline
KR20250100357A (ko) * 2023-12-26 2025-07-03 삼성전자주식회사 영상 부호화 및 복호화 장치, 및 방법
WO2025145135A1 (en) * 2023-12-28 2025-07-03 Beijing Dajia Internet Information Technology Co., Ltd Cross-component sample adaptive offset
WO2025145225A1 (en) * 2023-12-31 2025-07-03 Ofinno, Llc Feature-based sample classification for reference filtering
WO2025152810A1 (en) * 2024-01-18 2025-07-24 Mediatek Inc. Adaptive loop filter with coding information based classification
WO2026012364A1 (en) * 2024-07-08 2026-01-15 Douyin Vision Co., Ltd. Improvement of using fixed-filter of adaptive loop filter in video coding

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US10609417B2 (en) * 2016-05-23 2020-03-31 Mediatek Inc. High efficiency adaptive loop filter processing for video coding
WO2018120230A1 (zh) * 2016-12-30 2018-07-05 华为技术有限公司 图像滤波方法、装置以及设备
CN113767632B (zh) * 2019-04-16 2023-08-25 北京字节跳动网络技术有限公司 用于视频编解码的自适应环路滤波
BR112021019675A2 (pt) * 2019-04-23 2021-12-07 Beijing Bytedance Network Tech Co Ltd Método para processamento de mídia visual, aparelho codificador de vídeo, aparelho decodificador de vídeo, e, mídia legível por computador
JP7418478B2 (ja) * 2019-06-22 2024-01-19 北京字節跳動網絡技術有限公司 クロマ残差スケーリングのためのシンタックス要素
US11412262B2 (en) 2019-06-24 2022-08-09 Qualcomm Incorporated Nonlinear extensions of adaptive loop filtering for video coding
TWI747339B (zh) * 2019-06-27 2021-11-21 聯發科技股份有限公司 視訊編解碼之方法和裝置
WO2021013240A1 (en) * 2019-07-25 2021-01-28 Beijing Bytedance Network Technology Co., Ltd. Mapping restriction for intra-block copy virtual buffer
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Publication number Publication date
US20230300328A1 (en) 2023-09-21
US12395628B2 (en) 2025-08-19
EP4490909A1 (en) 2025-01-15
KR20240162039A (ko) 2024-11-14
TW202345593A (zh) 2023-11-16
WO2023173068A1 (en) 2023-09-14

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