JP2023519216A - ループフィルタの高レベルシンタックス制御 - Google Patents

ループフィルタの高レベルシンタックス制御 Download PDF

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JP2023519216A
JP2023519216A JP2022556553A JP2022556553A JP2023519216A JP 2023519216 A JP2023519216 A JP 2023519216A JP 2022556553 A JP2022556553 A JP 2022556553A JP 2022556553 A JP2022556553 A JP 2022556553A JP 2023519216 A JP2023519216 A JP 2023519216A
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チェン，ジエ
ルオ，ジャンコン
イエ，ヤン
サーヴァー，モハメッド，ゴラム
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アリババ グループ ホウルディング リミテッド
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Priority to JP2025076662A priority patent/JP2025121961A/ja
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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
    • H04N19/169—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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • 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
    • H04N19/169—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
    • 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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
    • 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
    • H04N19/10—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
    • H04N19/1883—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 relating to sub-band structure, e.g. hierarchical level, directional tree, e.g. low-high [LH], high-low [HL], high-high [HH]
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/98—Adaptive-dynamic-range coding [ADRC]

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  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2022556553A 2020-03-29 2021-03-29 ループフィルタの高レベルシンタックス制御 Pending JP2023519216A (ja)

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JP2025076665A JP2025121963A (ja) 2020-03-29 2025-05-02 ループフィルタの高レベルシンタックス制御
JP2025076662A JP2025121961A (ja) 2020-03-29 2025-05-02 ループフィルタの高レベルシンタックス制御
JP2025076664A JP2025124653A (ja) 2020-03-29 2025-05-02 ループフィルタの高レベルシンタックス制御
JP2025076663A JP2025121962A (ja) 2020-03-29 2025-05-02 ループフィルタの高レベルシンタックス制御

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US202063001448P 2020-03-29 2020-03-29
US63/001,448 2020-03-29
PCT/US2021/024660 WO2021202385A1 (en) 2020-03-29 2021-03-29 High level syntax control of loop filter

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JP2025076665A Division JP2025121963A (ja) 2020-03-29 2025-05-02 ループフィルタの高レベルシンタックス制御
JP2025076664A Division JP2025124653A (ja) 2020-03-29 2025-05-02 ループフィルタの高レベルシンタックス制御
JP2025076662A Division JP2025121961A (ja) 2020-03-29 2025-05-02 ループフィルタの高レベルシンタックス制御
JP2025076663A Division JP2025121962A (ja) 2020-03-29 2025-05-02 ループフィルタの高レベルシンタックス制御

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JP2025076665A Pending JP2025121963A (ja) 2020-03-29 2025-05-02 ループフィルタの高レベルシンタックス制御
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WO2025029091A1 (ko) * 2023-08-03 2025-02-06 현대자동차주식회사 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체

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US11425405B2 (en) * 2019-11-15 2022-08-23 Qualcomm Incorporated Cross-component adaptive loop filter in video coding
WO2021194229A1 (ko) * 2020-03-23 2021-09-30 엘지전자 주식회사 비디오 또는 이미지 코딩 시스템에서 디블록킹 필터 파라미터 정보를 시그널링하는 방법
US11470358B2 (en) * 2020-04-02 2022-10-11 Sharp Kabushiki Kaisha Systems and methods for signaling scaling window information in video coding
CN115956362A (zh) * 2020-08-20 2023-04-11 北京达佳互联信息技术有限公司 跨分量样点自适应偏移中的色度编码增强
WO2024151874A1 (en) * 2023-01-11 2024-07-18 Beijing Dajia Internet Information Technology Co., Ltd. Cross-component sample adaptive offset
US12439049B2 (en) * 2023-10-09 2025-10-07 Tencent America LLC CCSO with high level flags

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JP2025121962A (ja) 2025-08-20
CN115398905B (zh) 2025-09-23
EP4128773A4 (en) 2024-02-28
KR20260008202A (ko) 2026-01-15
CN120769053A (zh) 2025-10-10
CN120825591A (zh) 2025-10-21
US12375706B2 (en) 2025-07-29
US20240276003A1 (en) 2024-08-15
US20250330628A1 (en) 2025-10-23
CN115398905A (zh) 2022-11-25
KR20260011778A (ko) 2026-01-23
US12003751B2 (en) 2024-06-04
US11509921B2 (en) 2022-11-22
JP2025121963A (ja) 2025-08-20
JP2025121961A (ja) 2025-08-20
JP2025124653A (ja) 2025-08-26
KR20220160019A (ko) 2022-12-05
EP4128773A1 (en) 2023-02-08
CN120915959A (zh) 2025-11-07
KR20260008842A (ko) 2026-01-16
US20210306652A1 (en) 2021-09-30
US20230055802A1 (en) 2023-02-23
WO2021202385A1 (en) 2021-10-07

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