JP7702786B2 - 複数の領域を有するループ内フィルタ - Google Patents

複数の領域を有するループ内フィルタ Download PDF

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JP7702786B2
JP7702786B2 JP2020570112A JP2020570112A JP7702786B2 JP 7702786 B2 JP7702786 B2 JP 7702786B2 JP 2020570112 A JP2020570112 A JP 2020570112A JP 2020570112 A JP2020570112 A JP 2020570112A JP 7702786 B2 JP7702786 B2 JP 7702786B2
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filter
region
block
picture
filter parameters
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JP2021532622A5 (https=
JP2021532622A (ja
JPWO2020014316A5 (https=
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ラケイプ，ファビアン
ボルデ，フィリップ
フランソワ，エドワール
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インターデジタル ヴイシー ホールディングス， インコーポレイテッド
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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
    • H04N19/134—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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2020570112A 2018-07-11 2019-07-10 複数の領域を有するループ内フィルタ Active JP7702786B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP18305939.3 2018-07-11
EP18305939 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

Publications (4)

Publication Number Publication Date
JP2021532622A JP2021532622A (ja) 2021-11-25
JP2021532622A5 JP2021532622A5 (https=) 2022-06-17
JPWO2020014316A5 JPWO2020014316A5 (https=) 2022-06-17
JP7702786B2 true JP7702786B2 (ja) 2025-07-04

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JP2020570112A Active JP7702786B2 (ja) 2018-07-11 2019-07-10 複数の領域を有するループ内フィルタ

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US (3) US11758197B2 (https=)
EP (1) EP3821609A1 (https=)
JP (1) JP7702786B2 (https=)
KR (1) KR20210028645A (https=)
CN (2) CN112385237B (https=)
AU (2) AU2019301656B2 (https=)
MX (1) MX2021000273A (https=)
WO (1) WO2020014316A1 (https=)

Families Citing this family (1)

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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

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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
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
JP2014506061A (ja) 2011-04-21 2014-03-06 メディアテック インコーポレイテッド 改良されたループ型フィルタリング処理のための方法と装置
WO2018067722A1 (en) 2016-10-04 2018-04-12 Qualcomm Incorporated Peak sample adaptive offset
WO2019004283A1 (ja) 2017-06-28 2019-01-03 シャープ株式会社 動画像符号化装置及び動画像復号装置

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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
EP2559238B1 (en) 2010-04-13 2015-06-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Adaptive image filtering method and apparatus
US9609354B2 (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
US9344743B2 (en) * 2011-08-24 2016-05-17 Texas Instruments Incorporated Flexible region based sample adaptive offset (SAO) and adaptive loop filter (ALF)
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
EP2697973B1 (en) * 2012-04-16 2017-06-28 HFI Innovation Inc. Method and apparatus for loop filtering across slice or tile boundaries
EP3138293A4 (en) * 2014-04-29 2017-05-24 Microsoft Technology Licensing, LLC Encoder-side decisions for sample adaptive offset filtering
KR20170058869A (ko) * 2015-11-18 2017-05-29 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
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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
JP2014506061A (ja) 2011-04-21 2014-03-06 メディアテック インコーポレイテッド 改良されたループ型フィルタリング処理のための方法と装置
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
WO2018067722A1 (en) 2016-10-04 2018-04-12 Qualcomm Incorporated Peak sample adaptive offset
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Publication number Publication date
AU2019301656A1 (en) 2021-03-11
KR20210028645A (ko) 2021-03-12
US20230370645A1 (en) 2023-11-16
EP3821609A1 (en) 2021-05-19
AU2024200480A1 (en) 2024-02-15
US20210297706A1 (en) 2021-09-23
US20260052279A1 (en) 2026-02-19
CN120455663A (zh) 2025-08-08
CN112385237A (zh) 2021-02-19
JP2021532622A (ja) 2021-11-25
US11758197B2 (en) 2023-09-12
WO2020014316A1 (en) 2020-01-16
CN112385237B (zh) 2025-04-22
MX2021000273A (es) 2021-03-31
AU2019301656B2 (en) 2023-10-26
AU2024200480B2 (en) 2025-11-20

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