EP4029271A4 - Entfernung von blockierungsartefakten innerhalb einer durch intrablockkopie vorhergesagten codierungseinheit - Google Patents

Entfernung von blockierungsartefakten innerhalb einer durch intrablockkopie vorhergesagten codierungseinheit Download PDF

Info

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
coding unit
block copy
intra block
blocking artifacts
removing blocking
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
English (en)
French (fr)
Other versions
EP4029271A2 (de
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/de
Publication of EP4029271A4 publication Critical patent/EP4029271A4/de
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/117Filters, e.g. for pre-processing or post-processing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • H04N19/14Coding unit complexity, e.g. amount of activity or edge presence estimation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86Methods 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 Entfernung von blockierungsartefakten innerhalb einer durch intrablockkopie vorhergesagten codierungseinheit Pending EP4029271A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962911275P 2019-10-05 2019-10-05
PCT/RU2020/050263 WO2020251420A2 (en) 2019-10-05 2020-10-02 Removing blocking artifacts inside coding unit predicted by intra block copy

Publications (2)

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

Family

ID=73786092

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20822436.0A Pending EP4029271A4 (de) 2019-10-05 2020-10-02 Entfernung von blockierungsartefakten innerhalb einer durch intrablockkopie vorhergesagten codierungseinheit

Country Status (2)

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

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
TW202408233A (zh) * 2022-06-22 2024-02-16 聯發科技股份有限公司 暗示子塊變換編解碼的方法和裝置
WO2024098263A1 (zh) * 2022-11-08 2024-05-16 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 (en) * 2014-05-29 2015-12-03 Canon Kabushiki Kaisha Method, apparatus and system for de-blocking a block of video samples
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 (en) * 2014-05-29 2015-12-03 Canon Kabushiki Kaisha Method, apparatus and system for de-blocking a block of video samples
GB2533905A (en) * 2014-10-06 2016-07-13 Canon Kk Method and apparatus for video coding and decoding

Non-Patent Citations (3)

* 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] *
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
WO2020251420A2 (en) 2020-12-17
EP4029271A2 (de) 2022-07-20
WO2020251420A3 (en) 2021-03-04

Similar Documents

Publication Publication Date Title
SG11202006301YA (en) Intra block copy for video coding
GB2617784B (en) Temporal signalling for video coding technology
EP3928516A4 (de) Adaptive schleifenfilterung für videocodierung
EP3903493A4 (de) Parameterableitung für intraprädiktion
EP3861728A4 (de) Komplexitätsreduktion bei der parameterableitung für intraprädiktion
EP3918803A4 (de) Vereinfachung einer intrablock-kopiezusammenführungliste
SG11202111583WA (en) Merge mode coding for video coding
EP4029271A4 (de) Entfernung von blockierungsartefakten innerhalb einer durch intrablockkopie vorhergesagten codierungseinheit
SG11202111448WA (en) Context coding for transform skip mode
SG11202110425VA (en) An encoder, a decoder and corresponding methods for intra prediction
EP3915265A4 (de) Richtungsbasierte vorhersage für intrablockkopie in der videocodierung
EP3949391A4 (de) Matrix-basierte intraprädiktion mittels filtration
EP3915252A4 (de) Implementierung von aspekten in einer intrablockkopie in der videocodierung
EP3849183A4 (de) Verfahren und vorrichtung zur codierung/decodierung von bildern mittels intraprädiktion
SG11202112517QA (en) Matrix-based intra prediction using upsampling
SG11202111683VA (en) Multiple adaptive loop filter sets for video coding
EP3777143A4 (de) Intercodierung für videocodierung mit adaptiver auflösung
EP3905674A4 (de) Verfahren und vorrichtung zur bildcodierung zur durchführung von mrl-basierter intraprädiktion
SG11202109472RA (en) Gradient-based prediction refinement for video coding
EP3925223A4 (de) Intrablockkopie für bildschirminhaltscodierung
SG11202111388WA (en) Color transform for video coding
EP3777144A4 (de) Intraprädiktionsmodussignalisierung zur videocodierung
IL287257A (en) which will include gradient-based prediction for video encoding
EP4011076A4 (de) Intrablockkopiercodierung und -decodierung
SI4017008T1 (sl) Kodiranje slik na podlagi transformacij

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20220413

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

A4 Supplementary search report drawn up and despatched

Effective date: 20221013

RIC1 Information provided on ipc code assigned before grant

Ipc: H04N 19/593 20140101ALI20221010BHEP

Ipc: H04N 19/157 20140101ALI20221010BHEP

Ipc: H04N 19/86 20140101ALI20221010BHEP

Ipc: H04N 19/82 20140101AFI20221010BHEP

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)