CA3173783A1 - Adaptive loop filtering for color format support - Google Patents

Adaptive loop filtering for color format support

Info

Publication number
CA3173783A1
CA3173783A1 CA3173783A CA3173783A CA3173783A1 CA 3173783 A1 CA3173783 A1 CA 3173783A1 CA 3173783 A CA3173783 A CA 3173783A CA 3173783 A CA3173783 A CA 3173783A CA 3173783 A1 CA3173783 A1 CA 3173783A1
Authority
CA
Canada
Prior art keywords
alf
chroma
slice
video
data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CA3173783A
Other languages
English (en)
French (fr)
Inventor
Dmytro Rusanovskyy
Yan Zhang
Marta Karczewicz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of CA3173783A1 publication Critical patent/CA3173783A1/en
Pending legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • 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)
CA3173783A 2020-04-15 2021-04-15 Adaptive loop filtering for color format support Pending CA3173783A1 (en)

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
CA3173783A1 true CA3173783A1 (en) 2021-10-21

Family

ID=78082384

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3173783A Pending CA3173783A1 (en) 2020-04-15 2021-04-15 Adaptive loop filtering for color format support

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

Also Published As

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
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
KR20230002335A (ko) 2023-01-05
IL295742A (en) 2022-10-01
CL2022002789A1 (es) 2023-06-23
WO2021211887A1 (en) 2021-10-21

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