KR20240162039A - 디블록킹 필터 전 샘플들 및 샘플 적응적 오프셋들 전 샘플들을 갖는 적응적 루프 필터 - Google Patents

디블록킹 필터 전 샘플들 및 샘플 적응적 오프셋들 전 샘플들을 갖는 적응적 루프 필터 Download PDF

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KR20240162039A
KR20240162039A KR1020247027354A KR20247027354A KR20240162039A KR 20240162039 A KR20240162039 A KR 20240162039A KR 1020247027354 A KR1020247027354 A KR 1020247027354A KR 20247027354 A KR20247027354 A KR 20247027354A KR 20240162039 A KR20240162039 A KR 20240162039A
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sample
filter
filtered
value
video data
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Korean (ko)
Inventor
난 후
바딤 세레긴
벤카타 메허 사치트 아난드 코트라
마르타 카르체비츠
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퀄컴 인코포레이티드
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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)
KR1020247027354A 2022-03-11 2023-03-10 디블록킹 필터 전 샘플들 및 샘플 적응적 오프셋들 전 샘플들을 갖는 적응적 루프 필터 Pending KR20240162039A (ko)

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 (1)

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KR20240162039A true KR20240162039A (ko) 2024-11-14

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KR1020247027354A Pending KR20240162039A (ko) 2022-03-11 2023-03-10 디블록킹 필터 전 샘플들 및 샘플 적응적 오프셋들 전 샘플들을 갖는 적응적 루프 필터

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
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US20230300328A1 (en) 2023-09-21
US12395628B2 (en) 2025-08-19
EP4490909A1 (en) 2025-01-15
JP2025509129A (ja) 2025-04-11
TW202345593A (zh) 2023-11-16
WO2023173068A1 (en) 2023-09-14

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Patent event date: 20240814

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