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 (OSRAM
Inventor
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 US12395628B2 (en) 2022-03-11 2023-03-09 Adaptive loop filter with samples before deblocking filter and samples before sample adaptive offsets
US18/181,359 2023-03-09
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 (2)

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JP2025509129A true JP2025509129A (ja) 2025-04-11
JP2025509129A5 JP2025509129A5 (OSRAM) 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

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

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11611770B2 (en) * 2020-10-14 2023-03-21 Tencent America LLC Method and apparatus for video coding
WO2023237094A1 (en) * 2022-06-11 2023-12-14 Beijing Bytedance Network Technology Co., Ltd. Extended Taps Using Different Sources for Adaptive Loop Filter in Video Coding
US12568212B2 (en) * 2022-07-15 2026-03-03 Tencent America LLC Adaptive loop filtering on output(s) from offline fixed filtering
CN119631411A (zh) * 2022-07-26 2025-03-14 抖音视界有限公司 视频编解码中对自适应环路滤波器使用非相邻样点
US20240414333A1 (en) * 2023-06-08 2024-12-12 Qualcomm Incorporated Mapping table derivation for fixed filter sets in video coding
US20250113064A1 (en) * 2023-10-02 2025-04-03 Netflix, Inc. Techniques for debanding in the inverse transform 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

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10609417B2 (en) * 2016-05-23 2020-03-31 Mediatek Inc. High efficiency adaptive loop filter processing for video coding
CN109565604A (zh) * 2016-12-30 2019-04-02 华为技术有限公司 图像滤波方法、装置以及设备
CN117499679A (zh) * 2019-04-16 2024-02-02 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
CN117579841A (zh) * 2019-04-23 2024-02-20 北京字节跳动网络技术有限公司 降低跨分量依赖性的方法
CN113994697B (zh) * 2019-06-22 2024-10-18 北京字节跳动网络技术有限公司 色度残差缩放的语法元素
US11412262B2 (en) 2019-06-24 2022-08-09 Qualcomm Incorporated Nonlinear extensions of adaptive loop filtering for video coding
EP3981160A4 (en) * 2019-06-27 2023-05-24 HFI Innovation Inc. METHOD AND APPARATUS FOR INTER-COMPONENT ADAPTIVE LOOP FILTERING FOR VIDEO CODING
PH12022550183A1 (en) * 2019-07-25 2023-01-16 Beijing Bytedance Network Tech Co Ltd Mapping restriction for intra-block copy virtual buffer
WO2021043299A1 (en) * 2019-09-05 2021-03-11 Beijing Bytedance Network Technology Co., Ltd. Range constrains for block vector in intra-block copy mode
US11172199B2 (en) * 2019-09-23 2021-11-09 Tencent America LLC Cross-component adaptive loop filter
EP4022910A4 (en) * 2019-09-27 2022-11-16 Beijing Bytedance Network Technology Co., Ltd. ADAPTIVE LOOP FILTERING BETWEEN DIFFERENT VIDEO UNITS
WO2022071847A1 (en) * 2020-09-29 2022-04-07 Telefonaktiebolaget Lm Ericsson (Publ) Filter strength control for adaptive loop filtering
US11778177B2 (en) * 2020-12-23 2023-10-03 Qualcomm Incorporated Adaptive loop filter with fixed filters
US20220279185A1 (en) * 2021-02-26 2022-09-01 Lemon Inc. Methods of coding images/videos with alpha channels
US20220286709A1 (en) * 2021-02-26 2022-09-08 Lemon Inc. Methods of coding images/videos with alpha channels
US12058310B2 (en) * 2021-02-26 2024-08-06 Lemon Inc. Methods of coding images/videos with alpha channels
US12022098B2 (en) * 2021-03-04 2024-06-25 Lemon Inc. Neural network-based in-loop filter with residual scaling for video coding
US12200207B2 (en) 2021-06-30 2025-01-14 Qualcomm Incorporated Signaled adaptive loop filter with multiple classifiers in video coding
US12513342B2 (en) * 2021-12-16 2025-12-30 Intel Corporation Apparatus, articles of manufacture, and methods for improved adaptive loop filtering in video encoding
US12316859B2 (en) * 2021-12-16 2025-05-27 Intel Corporation Apparatus, articles of manufacture, and methods for clipping index identification in adaptive loop filtering for video encoding

Also Published As

Publication number Publication date
TW202345593A (zh) 2023-11-16
KR20240162039A (ko) 2024-11-14
US12395628B2 (en) 2025-08-19
US20230300328A1 (en) 2023-09-21
WO2023173068A1 (en) 2023-09-14
EP4490909A1 (en) 2025-01-15

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