EP4029251A4 - METHOD AND APPARATUS FOR ADAPTING THE ACCURACY OF A WEIGHT PREDICTION PARAMETER - Google Patents

METHOD AND APPARATUS FOR ADAPTING THE ACCURACY OF A WEIGHT PREDICTION PARAMETER Download PDF

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Publication number
EP4029251A4
EP4029251A4 EP20873695.9A EP20873695A EP4029251A4 EP 4029251 A4 EP4029251 A4 EP 4029251A4 EP 20873695 A EP20873695 A EP 20873695A EP 4029251 A4 EP4029251 A4 EP 4029251A4
Authority
EP
European Patent Office
Prior art keywords
adapting
accuracy
prediction parameter
weight prediction
weight
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
EP20873695.9A
Other languages
German (de)
French (fr)
Other versions
EP4029251A1 (en
Inventor
Alexey Konstantinovich FILIPPOV
Vasily Alexeevich RUFITSKIY
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 EP4029251A1 publication Critical patent/EP4029251A1/en
Publication of EP4029251A4 publication Critical patent/EP4029251A4/en
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
    • H04N19/70—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
    • H04N19/50—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
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
EP20873695.9A 2019-10-08 2020-09-22 METHOD AND APPARATUS FOR ADAPTING THE ACCURACY OF A WEIGHT PREDICTION PARAMETER Pending EP4029251A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP2019077267 2019-10-08
PCT/CN2020/116729 WO2021068738A1 (en) 2019-10-08 2020-09-22 Method and apparatus of adaptive adjustment of weighting prediction parameter precision

Publications (2)

Publication Number Publication Date
EP4029251A1 EP4029251A1 (en) 2022-07-20
EP4029251A4 true EP4029251A4 (en) 2022-11-16

Family

ID=75436717

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20873695.9A Pending EP4029251A4 (en) 2019-10-08 2020-09-22 METHOD AND APPARATUS FOR ADAPTING THE ACCURACY OF A WEIGHT PREDICTION PARAMETER

Country Status (2)

Country Link
EP (1) EP4029251A4 (en)
WO (1) WO2021068738A1 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3217663A1 (en) * 2014-11-06 2017-09-13 Samsung Electronics Co., Ltd. Video encoding method and apparatus, and video decoding method and apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9930362B2 (en) * 2012-04-20 2018-03-27 Futurewei Technologies, Inc. Intra prediction in lossless coding in HEVC
US10425648B2 (en) * 2015-09-29 2019-09-24 Qualcomm Incorporated Video intra-prediction using position-dependent prediction combination for video coding
CN106604028A (en) * 2015-10-16 2017-04-26 中兴通讯股份有限公司 Encoding processing, decoding processing method and device, encoder and decoder
CN116567262B (en) * 2016-05-24 2026-06-26 韩国电子通信研究院 Image encoding/decoding method and recording medium for said method
EP3467824B1 (en) * 2017-10-03 2021-04-21 Dolby Laboratories Licensing Corporation Method and system for inter-channel coding

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3217663A1 (en) * 2014-11-06 2017-09-13 Samsung Electronics Co., Ltd. Video encoding method and apparatus, and video decoding method and apparatus

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
FILIPPOV (HUAWEI) A ET AL: "Non-CE4/AHG17: On slice-level syntax for TPM and GEO", no. JVET-P0275 ; m50240, 3 October 2019 (2019-10-03), XP030216779, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/16_Geneva/wg11/JVET-P0275-v2.zip JVET-P0275-v2.docx> [retrieved on 20191003] *
FILIPPOV (HUAWEI) A ET AL: "Non-CE4: On TPM merge mode in the presence of weighted prediction", no. JVET-P0617 ; m50595, 5 October 2019 (2019-10-05), XP030217867, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/16_Geneva/wg11/JVET-P0617-v2.zip JVET-P0617-v1.docx> [retrieved on 20191005] *
FILIPPOV (HUAWEI) A ET AL: "Non-CE4: On TPM merge mode in the presence of weighted prediction", no. JVET-P0617 ; m50595, 8 October 2019 (2019-10-08), XP030217870, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/16_Geneva/wg11/JVET-P0617-v3.zip JVET-P0617-v2.docx> [retrieved on 20191008] *
GAO (HUAWEI) H ET AL: "CE4-Related: Geometric Merge Mode (GEO) Simplifications", no. JVET-P0107 ; m50057, 2 October 2019 (2019-10-02), XP030216259, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/16_Geneva/wg11/JVET-P0107-v2.zip WDs/JVET_P0107_SlopeBasedGeoV2(onTopOf_CE4-1.14).docx> [retrieved on 20191002] *
R-L LIAO (ALIBABA-INC) ET AL: "CE4-related: Unification of triangle partition mode and geometric merge mode", no. JVET-P0305-v2; JVET-P0305 ; m50270, 29 September 2019 (2019-09-29), pages 1 - 7, XP030216883, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/16_Geneva/wg11/JVET-P0305-v2.zip JVET-P0305-v2.docx> [retrieved on 20190929] *
See also references of WO2021068738A1 *

Also Published As

Publication number Publication date
EP4029251A1 (en) 2022-07-20
WO2021068738A1 (en) 2021-04-15

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