EP4029271A4 - Élimination d'artéfacts bloquants dans une unité de codage prédits par copie intra-bloc - Google Patents

Élimination d'artéfacts bloquants dans une unité de codage prédits par copie intra-bloc Download PDF

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Publication number
EP4029271A4
EP4029271A4 EP20822436.0A EP20822436A EP4029271A4 EP 4029271 A4 EP4029271 A4 EP 4029271A4 EP 20822436 A EP20822436 A EP 20822436A EP 4029271 A4 EP4029271 A4 EP 4029271A4
Authority
EP
European Patent Office
Prior art keywords
intra
removal
coding unit
block copy
blocking artifacts
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
EP20822436.0A
Other languages
German (de)
English (en)
Other versions
EP4029271A2 (fr
Inventor
Timofey Mikhailovich SOLOVYEV
Roman Igorevich CHERNYAK
Sergey Yurievich IKONIN
Elena Alexandrovna ALSHINA
Alexander Alexandrovich KARABUTOV
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.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
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 Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of EP4029271A2 publication Critical patent/EP4029271A2/fr
Publication of EP4029271A4 publication Critical patent/EP4029271A4/fr
Pending legal-status Critical Current

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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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
EP20822436.0A 2019-10-05 2020-10-02 Élimination d'artéfacts bloquants dans une unité de codage prédits par copie intra-bloc Pending EP4029271A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962911275P 2019-10-05 2019-10-05
PCT/RU2020/050263 WO2020251420A2 (fr) 2019-10-05 2020-10-02 Élimination d'artéfacts bloquants dans une unité de codage prédits par copie intra-bloc

Publications (2)

Publication Number Publication Date
EP4029271A2 EP4029271A2 (fr) 2022-07-20
EP4029271A4 true EP4029271A4 (fr) 2022-11-16

Family

ID=73786092

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20822436.0A Pending EP4029271A4 (fr) 2019-10-05 2020-10-02 Élimination d'artéfacts bloquants dans une unité de codage prédits par copie intra-bloc

Country Status (2)

Country Link
EP (1) EP4029271A4 (fr)
WO (1) WO2020251420A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113676727A (zh) * 2021-08-18 2021-11-19 深圳市朗强科技有限公司 一种基于wifi的超高清视频的发送、接收方法及设备
WO2023246901A1 (fr) * 2022-06-22 2023-12-28 Mediatek Inc. Procédés et appareil pour un codage de transformée de sous-bloc implicite
CN120202669A (zh) * 2022-11-08 2025-06-24 Oppo广东移动通信有限公司 编解码方法、码流、编码器、解码器以及存储介质

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015179898A1 (fr) * 2014-05-29 2015-12-03 Canon Kabushiki Kaisha Procédé, appareil et système pour débloquer un bloc d'échantillons vidéo
GB2533905A (en) * 2014-10-06 2016-07-13 Canon Kk Method and apparatus for video coding and decoding

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111988606B (zh) * 2014-09-15 2022-09-20 寰发股份有限公司 去区块滤波方法、相应地编码装置和存储介质
US9832467B2 (en) * 2014-10-07 2017-11-28 Qualcomm Incorporated Deblock filtering for intra block copying

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015179898A1 (fr) * 2014-05-29 2015-12-03 Canon Kabushiki Kaisha Procédé, appareil et système pour débloquer un bloc d'échantillons vidéo
GB2533905A (en) * 2014-10-06 2016-07-13 Canon Kk Method and apparatus for video coding and decoding

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
ANDERSSON K ET AL: "CE5-2.1 and CE5-2.2: Deblocking on 4x4 sample grids", no. JVET-O0060, 17 June 2019 (2019-06-17), XP030205570, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/15_Gothenburg/wg11/JVET-O0060-v1.zip JVET-O0060-v1.docx> [retrieved on 20190617] *
BROSS B ET AL: "Versatile Video Coding (Draft 6)", no. JVET-O2001-vE; JVET-O2001, 31 July 2019 (2019-07-31), pages 1 - 455, XP030293944, Retrieved from the Internet <URL:https://jvet-experts.org/doc_end_user/documents/15_Gothenburg/wg11/JVET-O2001-v14.zip JVET-O2001-vE.docx> [retrieved on 20190731] *
C-M TSAI ET AL: "CE5-related: DMVR deblocking by inheriting neighbouring boundary strength values", no. JVET-P0159 ; m50118, 1 October 2019 (2019-10-01), XP030216412, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/16_Geneva/wg11/JVET-P0159-v2.zip JVET-P0159-v2.docx> [retrieved on 20191001] *
JIANLE CHEN ET AL: "Algorithm description for Versatile Video Coding and Test Model 6 (VTM 6)", no. JVET-O2002-v2; JVET-O2002, 10 September 2019 (2019-09-10), pages 1 - 87, XP030293946, Retrieved from the Internet <URL:https://jvet-experts.org/doc_end_user/documents/15_Gothenburg/wg11/JVET-O2002-v2.zip JVET-O2002-v2.docx> [retrieved on 20190910] *

Also Published As

Publication number Publication date
WO2020251420A3 (fr) 2021-03-04
EP4029271A2 (fr) 2022-07-20
WO2020251420A2 (fr) 2020-12-17

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