CN120455663A - 具有多个区域的环路滤波器 - Google Patents

具有多个区域的环路滤波器

Info

Publication number
CN120455663A
CN120455663A CN202510485064.3A CN202510485064A CN120455663A CN 120455663 A CN120455663 A CN 120455663A CN 202510485064 A CN202510485064 A CN 202510485064A CN 120455663 A CN120455663 A CN 120455663A
Authority
CN
China
Prior art keywords
filter
region
picture
sao
filtering
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
CN202510485064.3A
Other languages
English (en)
Chinese (zh)
Inventor
F·拉卡普
P·博德斯
E·弗朗索瓦
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.)
InterDigital VC Holdings Inc
Original Assignee
InterDigital VC Holdings 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
Priority claimed from EP18306117.5A external-priority patent/EP3611924A1/en
Application filed by InterDigital VC Holdings Inc filed Critical InterDigital VC Holdings Inc
Publication of CN120455663A publication Critical patent/CN120455663A/zh
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
    • H04N19/134—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
    • H04N19/167—Position within a video image, e.g. region of interest [ROI]
    • 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
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • 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)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN202510485064.3A 2018-07-11 2019-07-10 具有多个区域的环路滤波器 Pending CN120455663A (zh)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
EP18305939 2018-07-11
EP18305939.3 2018-07-11
EP18306117.5A EP3611924A1 (en) 2018-08-14 2018-08-14 In-loop filter with multiple regions
EP18306117.5 2018-08-14
PCT/US2019/041142 WO2020014316A1 (en) 2018-07-11 2019-07-10 In-loop filter with multiple regions
CN201980045556.3A CN112385237B (zh) 2018-07-11 2019-07-10 具有多个区域的环路滤波器

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201980045556.3A Division CN112385237B (zh) 2018-07-11 2019-07-10 具有多个区域的环路滤波器

Publications (1)

Publication Number Publication Date
CN120455663A true CN120455663A (zh) 2025-08-08

Family

ID=67390125

Family Applications (2)

Application Number Title Priority Date Filing Date
CN202510485064.3A Pending CN120455663A (zh) 2018-07-11 2019-07-10 具有多个区域的环路滤波器
CN201980045556.3A Active CN112385237B (zh) 2018-07-11 2019-07-10 具有多个区域的环路滤波器

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201980045556.3A Active CN112385237B (zh) 2018-07-11 2019-07-10 具有多个区域的环路滤波器

Country Status (8)

Country Link
US (3) US11758197B2 (https=)
EP (1) EP3821609A1 (https=)
JP (1) JP7702786B2 (https=)
KR (1) KR20210028645A (https=)
CN (2) CN120455663A (https=)
AU (2) AU2019301656B2 (https=)
MX (1) MX2021000273A (https=)
WO (1) WO2020014316A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4730781A1 (en) * 2024-10-17 2026-04-22 InterDigital CE Patent Holdings, SAS Reuse of loop filter control information from reference frames

Family Cites Families (22)

* Cited by examiner, † Cited by third party
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WO2010137322A1 (ja) 2009-05-29 2010-12-02 三菱電機株式会社 画像符号化装置、画像復号装置、画像符号化方法、および画像復号方法
JP5464435B2 (ja) * 2010-04-09 2014-04-09 ソニー株式会社 画像復号装置および方法
WO2011127961A1 (en) * 2010-04-13 2011-10-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. Adaptive image filtering method and apparatus
US9609349B2 (en) * 2010-12-14 2017-03-28 M & K Holdings Inc. Apparatus for decoding a moving picture
KR20120090740A (ko) * 2011-02-07 2012-08-17 (주)휴맥스 정밀한 단위의 필터 선택을 적용한 영상 부호화/복호화 장치 및 방법
US9001883B2 (en) * 2011-02-16 2015-04-07 Mediatek Inc Method and apparatus for slice common information sharing
CN103370936A (zh) * 2011-04-21 2013-10-23 联发科技股份有限公司 用于改进环内滤波的方法与装置
US9344743B2 (en) * 2011-08-24 2016-05-17 Texas Instruments Incorporated Flexible region based sample adaptive offset (SAO) and adaptive loop filter (ALF)
JP2013141094A (ja) 2011-12-28 2013-07-18 Sharp Corp 画像復号装置、画像符号化装置、画像フィルタ装置、および符号化データのデータ構造
JP2013236358A (ja) * 2012-03-14 2013-11-21 Sharp Corp 画像フィルタ装置、画像復号装置、画像符号化装置、およびデータ構造
AU2013248857B2 (en) * 2012-04-16 2015-11-05 Hfi Innovation Inc. Method and apparatus for loop filtering across slice or tile boundaries
KR102298599B1 (ko) * 2014-04-29 2021-09-03 마이크로소프트 테크놀로지 라이센싱, 엘엘씨 샘플 적응 오프셋 필터링에 대한 인코더측 결정
WO2017086740A1 (ko) * 2015-11-18 2017-05-26 한국전자통신연구원 인루프 필터를 이용한 비디오 복호화 방법 및 이를 위한 장치
US11405611B2 (en) * 2016-02-15 2022-08-02 Qualcomm Incorporated Predicting filter coefficients from fixed filters for video coding
EP3220643A1 (en) 2016-03-14 2017-09-20 Thomson Licensing Method and device for encoding at least one image unit, and method and device for decoding a stream representative of at least one image unit
US10623737B2 (en) 2016-10-04 2020-04-14 Qualcomm Incorporated Peak sample adaptive offset
KR102353778B1 (ko) * 2016-10-11 2022-01-20 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
WO2018084344A1 (ko) * 2016-11-07 2018-05-11 엘지전자 주식회사 영상 코딩 시스템에서 영상 디코딩 방법 및 장치
US11284080B2 (en) * 2016-12-30 2022-03-22 Telefonaktiebolaget Lm Ericsson (Publ) Decoded picture buffer management for handling cross-picture data prediction
EP3349459A1 (en) 2017-01-11 2018-07-18 Thomson Licensing A method and a device for image encoding and decoding
US10440396B2 (en) * 2017-03-28 2019-10-08 Qualcomm Incorporated Filter information sharing among color components
US11184636B2 (en) * 2017-06-28 2021-11-23 Sharp Kabushiki Kaisha Video encoding device and video decoding device

Also Published As

Publication number Publication date
US11758197B2 (en) 2023-09-12
JP2021532622A (ja) 2021-11-25
AU2019301656B2 (en) 2023-10-26
CN112385237B (zh) 2025-04-22
WO2020014316A1 (en) 2020-01-16
CN112385237A (zh) 2021-02-19
KR20210028645A (ko) 2021-03-12
US20260052279A1 (en) 2026-02-19
AU2024200480A1 (en) 2024-02-15
US20230370645A1 (en) 2023-11-16
AU2024200480B2 (en) 2025-11-20
US20210297706A1 (en) 2021-09-23
JP7702786B2 (ja) 2025-07-04
MX2021000273A (es) 2021-03-31
EP3821609A1 (en) 2021-05-19
AU2019301656A1 (en) 2021-03-11

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