KR20230002335A - 컬러 포맷 지원을 위한 적응적 루프 필터링 - Google Patents

컬러 포맷 지원을 위한 적응적 루프 필터링 Download PDF

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Publication number
KR20230002335A
KR20230002335A KR1020227033084A KR20227033084A KR20230002335A KR 20230002335 A KR20230002335 A KR 20230002335A KR 1020227033084 A KR1020227033084 A KR 1020227033084A KR 20227033084 A KR20227033084 A KR 20227033084A KR 20230002335 A KR20230002335 A KR 20230002335A
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South Korea
Prior art keywords
alf
chroma
slice
data
video
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KR1020227033084A
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English (en)
Korean (ko)
Inventor
드미트로 루사노브스키
얀 장
마르타 카르체비츠
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퀄컴 인코포레이티드
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Publication of KR20230002335A publication Critical patent/KR20230002335A/ko
Pending legal-status Critical Current

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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
    • H04N19/169—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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • H04N19/70—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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Color Television Systems (AREA)
KR1020227033084A 2020-04-15 2021-04-15 컬러 포맷 지원을 위한 적응적 루프 필터링 Pending KR20230002335A (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202063010668P 2020-04-15 2020-04-15
US63/010,668 2020-04-15
US17/230,823 US11792412B2 (en) 2020-04-15 2021-04-14 Adaptive loop filtering for color format support
US17/230,823 2021-04-14
PCT/US2021/027545 WO2021211887A1 (en) 2020-04-15 2021-04-15 Adaptive loop filtering for color format support

Publications (1)

Publication Number Publication Date
KR20230002335A true KR20230002335A (ko) 2023-01-05

Family

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Family Applications (1)

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KR1020227033084A Pending KR20230002335A (ko) 2020-04-15 2021-04-15 컬러 포맷 지원을 위한 적응적 루프 필터링

Country Status (14)

Country Link
US (1) US11792412B2 (https=)
EP (1) EP4136851A1 (https=)
JP (1) JP7696920B2 (https=)
KR (1) KR20230002335A (https=)
CN (1) CN115398920B (https=)
AU (1) AU2021256044A1 (https=)
BR (1) BR112022020255A2 (https=)
CA (1) CA3173783A1 (https=)
CL (1) CL2022002789A1 (https=)
CO (1) CO2022014475A2 (https=)
IL (1) IL295742B2 (https=)
PH (1) PH12022552307A1 (https=)
SA (1) SA522440521B1 (https=)
WO (1) WO2021211887A1 (https=)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11575890B2 (en) 2019-05-16 2023-02-07 Lg Electronics Inc. Image encoding/decoding method and device for signaling filter information on basis of chroma format, and method for transmitting bitstream
US11877237B2 (en) * 2020-06-15 2024-01-16 TriSpace Technologies (OPC) Pvt. Ltd. System and method for optimizing power consumption in multimedia signal processing in mobile devices
US12167008B2 (en) * 2021-04-20 2024-12-10 Samsung Electronics Co., Ltd. Operation of video decoding engine for EVC
TWI850852B (zh) * 2021-11-18 2024-08-01 南韓商韓國煙草人參股份有限公司 包括新型香味劑的吸煙製品
CN119213763A (zh) * 2022-05-05 2024-12-27 抖音视界有限公司 视频编解码中的自适应环路滤波器的滤波器形状切换
EP4520046A4 (en) * 2022-05-05 2026-02-25 Beijing Bytedance Network Tech Co Ltd EXTENDED DEFERRALS USING DIFFERENT SOURCES FOR AN ADAPTIVE LOOP FILTER IN VIDEO CODING
CN120153651A (zh) * 2022-11-01 2025-06-13 抖音视界有限公司 视频编解码中的自适应环路滤波器上的自适应滤波器重用方法
WO2024208275A1 (en) * 2023-04-07 2024-10-10 Douyin Vision Co., Ltd Using chroma related side information for adaptive loop filter in video coding
WO2026012362A1 (en) * 2024-07-08 2026-01-15 Douyin Vision Co., Ltd. Filter shape setting for adaptive loop filter in video coding
WO2026016999A1 (en) * 2024-07-15 2026-01-22 Douyin Vision Co., Ltd. Parameter and control information reusing for loop-filters in video coding

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9807403B2 (en) * 2011-10-21 2017-10-31 Qualcomm Incorporated Adaptive loop filtering for chroma components
CN104735450B (zh) * 2015-02-26 2019-06-07 北京大学 一种在视频编解码中进行自适应环路滤波的方法及装置
US20180041778A1 (en) * 2016-08-02 2018-02-08 Qualcomm Incorporated Geometry transformation-based adaptive loop filtering
US11140418B2 (en) * 2018-07-17 2021-10-05 Qualcomm Incorporated Block-based adaptive loop filter design and signaling
GB2582029A (en) * 2019-03-08 2020-09-09 Canon Kk An adaptive loop filter
WO2020211770A1 (en) 2019-04-15 2020-10-22 Beijing Bytedance Network Technology Co., Ltd. Temporal prediction of parameters in non-linear adaptive loop filter
CN120378607A (zh) * 2019-07-08 2025-07-25 Lg电子株式会社 解码和编码方法及数据的发送方法
US20210168406A1 (en) * 2019-11-29 2021-06-03 Tencent America LLC Signaling of video coding tools supporting various chroma formats
US11303914B2 (en) * 2020-01-08 2022-04-12 Tencent America LLC Method and apparatus for video coding

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Publication number Publication date
CN115398920B (zh) 2025-10-17
JP7696920B2 (ja) 2025-06-23
AU2021256044A1 (en) 2022-09-22
IL295742B1 (en) 2025-06-01
CO2022014475A2 (es) 2022-11-08
CA3173783A1 (en) 2021-10-21
BR112022020255A2 (pt) 2022-12-06
US11792412B2 (en) 2023-10-17
SA522440521B1 (ar) 2024-02-22
EP4136851A1 (en) 2023-02-22
PH12022552307A1 (en) 2023-12-11
US20210329272A1 (en) 2021-10-21
IL295742B2 (en) 2025-10-01
JP2023521969A (ja) 2023-05-26
CN115398920A (zh) 2022-11-25
IL295742A (en) 2022-10-01
CL2022002789A1 (es) 2023-06-23
WO2021211887A1 (en) 2021-10-21

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