[go: up one dir, main page]

EP4022904A4 - INTRA PREDICTION METHOD AND APPARATUS - Google Patents

INTRA PREDICTION METHOD AND APPARATUS Download PDF

Info

Publication number
EP4022904A4
EP4022904A4 EP20864489.8A EP20864489A EP4022904A4 EP 4022904 A4 EP4022904 A4 EP 4022904A4 EP 20864489 A EP20864489 A EP 20864489A EP 4022904 A4 EP4022904 A4 EP 4022904A4
Authority
EP
European Patent Office
Prior art keywords
intra prediction
prediction method
intra
prediction
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
EP20864489.8A
Other languages
German (de)
French (fr)
Other versions
EP4022904A1 (en
Inventor
Vasily Alexeevich RUFITSKIY
Elena Alexandrovna ALSHINA
Alexey Konstantinovich FILIPPOV
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 EP4022904A1 publication Critical patent/EP4022904A1/en
Publication of EP4022904A4 publication Critical patent/EP4022904A4/en
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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/11Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/146Data rate or code amount at the encoder output
    • H04N19/147Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/10Methods 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
    • H04N19/182Methods 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 pixel
    • 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
    • H04N19/90Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96Tree coding, e.g. quad-tree coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
EP20864489.8A 2019-09-20 2020-09-21 INTRA PREDICTION METHOD AND APPARATUS Pending EP4022904A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
RU2019000653 2019-09-20
US201962906714P 2019-09-26 2019-09-26
PCT/RU2020/050236 WO2021054868A1 (en) 2019-09-20 2020-09-21 Method and apparatus for intra prediction

Publications (2)

Publication Number Publication Date
EP4022904A1 EP4022904A1 (en) 2022-07-06
EP4022904A4 true EP4022904A4 (en) 2023-05-31

Family

ID=74884352

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20864489.8A Pending EP4022904A4 (en) 2019-09-20 2020-09-21 INTRA PREDICTION METHOD AND APPARATUS

Country Status (2)

Country Link
EP (1) EP4022904A4 (en)
WO (1) WO2021054868A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN120937364A (en) * 2023-04-06 2025-11-11 交互数字Ce专利控股有限公司 Weighted plane and DC mode for intra prediction

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG10201902297VA (en) * 2011-06-24 2019-04-29 Mitsubishi Electric Corp Moving image encoding device, moving image decoding device, moving image encoding method, and moving image decoding method
US10284866B1 (en) * 2018-07-02 2019-05-07 Tencent America LLC Method and apparatus for video coding

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
BENJAMIN BROSS ET AL: "Versatile Video Coding (Draft 2)", no. JVET-K1001, 18 July 2018 (2018-07-18), pages 1 - 139, XP030194114, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/11_Ljubljana/wg11/JVET-K1001-v7.zip JVET-K1001-v7.docx> [retrieved on 20181001] *
BROSS B ET AL: "Versatile Video Coding (Draft 10)", no. JVET-S2001, 4 September 2020 (2020-09-04), XP030289618, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/19_Teleconference/wg11/JVET-S2001-v17.zip JVET-S2001-vH.docx> [retrieved on 20200904] *
FILIPPOV (HUAWEI) A ET AL: "Non-CE3: On simplification of PDPC basic equation", no. JVET-M0149, 11 January 2019 (2019-01-11), XP030201484, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/13_Marrakech/wg11/JVET-M0149-v2.zip JVET-M0149-v2.docx> [retrieved on 20190111] *
See also references of WO2021054868A1 *

Also Published As

Publication number Publication date
WO2021054868A1 (en) 2021-03-25
EP4022904A1 (en) 2022-07-06

Similar Documents

Publication Publication Date Title
EP4066385A4 (en) VIDEO CODING METHOD AND APPARATUS
EP4082212A4 (en) VIDEO CODING METHOD AND APPARATUS
EP3983940A4 (en) VIDEO CODING METHOD AND APPARATUS
EP3932056A4 (en) INTRA PREDICTION METHOD AND APPARATUS
EP3942823A4 (en) VIDEO CODING METHOD AND APPARATUS
EP3895424A4 (en) VIDEO CODING METHOD AND APPARATUS
EP3906688A4 (en) VIDEO CODING METHOD AND APPARATUS
EP3881530A4 (en) VIDEO CODING METHOD AND APPARATUS
EP3878176A4 (en) VIDEO CODING METHOD AND APPARATUS
EP3918802A4 (en) VIDEO CODING METHOD AND APPARATUS
EP3818715A4 (en) INTRA PREDICTION PROCESS AND APPARATUS
EP3785434A4 (en) VIDEO CODING METHOD AND APPARATUS
EP3741125A4 (en) VIDEO CODING PROCESS AND APPARATUS
EP3895417A4 (en) VIDEO CODING METHOD AND APPARATUS
EP3756345A4 (en) VIDEO CODING PROCESS AND APPARATUS
EP3763122A4 (en) VIDEO CODING PROCESS AND APPARATUS
EP3874750A4 (en) VIDEO CODING METHOD AND APPARATUS
EP3750313A4 (en) VIDEO CODING PROCESS AND APPARATUS
EP3785441A4 (en) VIDEO CODING PROCESS AND APPARATUS
EP3766243A4 (en) VIDEO CODING METHOD AND APPARATUS
EP3818702A4 (en) VIDEO CODING METHOD AND APPARATUS
EP4033825A4 (en) RADIOMESSAGE APPARATUS AND METHOD
EP4022922A4 (en) METHOD AND APPARATUS FOR COMBINED INTER/INTRA PREDICTION
EP3766244A4 (en) VIDEO CODING METHOD AND APPARATUS
EP3857892A4 (en) VIDEO CODING PROCESS AND APPARATUS

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: 20220330

AK Designated contracting states

Kind code of ref document: A1

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

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20230428

RIC1 Information provided on ipc code assigned before grant

Ipc: H04N 19/11 20140101AFI20230421BHEP

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

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20241129