EP4029247A4 - Method and apparatus of harmonizing weighted prediction and bi-prediction with coding-unit-level weight - Google Patents

Method and apparatus of harmonizing weighted prediction and bi-prediction with coding-unit-level weight Download PDF

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Publication number
EP4029247A4
EP4029247A4 EP20822437.8A EP20822437A EP4029247A4 EP 4029247 A4 EP4029247 A4 EP 4029247A4 EP 20822437 A EP20822437 A EP 20822437A EP 4029247 A4 EP4029247 A4 EP 4029247A4
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EP
European Patent Office
Prior art keywords
prediction
harmonizing
coding
unit
level 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
EP20822437.8A
Other languages
German (de)
French (fr)
Other versions
EP4029247A2 (en
Inventor
Vasily Alexeevich RUFITSKIY
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 EP4029247A2 publication Critical patent/EP4029247A2/en
Publication of EP4029247A4 publication Critical patent/EP4029247A4/en
Pending legal-status Critical Current

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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
    • H04N19/50—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
    • 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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
    • 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
    • H04N19/70—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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
EP20822437.8A 2019-10-07 2020-10-07 Method and apparatus of harmonizing weighted prediction and bi-prediction with coding-unit-level weight Pending EP4029247A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962912044P 2019-10-07 2019-10-07
EP2019077256 2019-10-08
PCT/RU2020/050274 WO2020251423A2 (en) 2019-10-07 2020-10-07 Method and apparatus of harmonizing weighted prediction and bi-prediction with coding-unit-level weight

Publications (2)

Publication Number Publication Date
EP4029247A2 EP4029247A2 (en) 2022-07-20
EP4029247A4 true EP4029247A4 (en) 2022-12-07

Family

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EP20822437.8A Pending EP4029247A4 (en) 2019-10-07 2020-10-07 Method and apparatus of harmonizing weighted prediction and bi-prediction with coding-unit-level weight

Country Status (2)

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EP (1) EP4029247A4 (en)
WO (1) WO2020251423A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230171405A1 (en) * 2021-11-30 2023-06-01 Tencent America LLC Scene transition detection based encoding methods for bcw

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3672253A1 (en) * 2018-12-21 2020-06-24 InterDigital VC Holdings, Inc. Method and apparatus for picture encoding and decoding
EP3855748A1 (en) * 2018-09-21 2021-07-28 Sharp Kabushiki Kaisha Image decoding apparatus and image encoding apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8731054B2 (en) * 2004-05-04 2014-05-20 Qualcomm Incorporated Method and apparatus for weighted prediction in predictive frames
CA3017176C (en) * 2011-06-28 2020-04-28 Samsung Electronics Co., Ltd. Method and apparatus for image encoding and decoding using intra prediction
WO2013168952A1 (en) * 2012-05-08 2013-11-14 엘지전자 주식회사 Inter-layer prediction method and apparatus using same
WO2016137149A1 (en) * 2015-02-24 2016-09-01 엘지전자(주) Polygon unit-based image processing method, and device for same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3855748A1 (en) * 2018-09-21 2021-07-28 Sharp Kabushiki Kaisha Image decoding apparatus and image encoding apparatus
EP3672253A1 (en) * 2018-12-21 2020-06-24 InterDigital VC Holdings, Inc. Method and apparatus for picture encoding and decoding

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
BENJAMIN BROSS ET AL: "Versatile Video Coding (Draft 5)", no. JVET-N1001-v8; JVET-N1001, 11 June 2019 (2019-06-11), pages 1 - 397, XP030205561, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/14_Geneva/wg11/JVET-N1001-v8.zip JVET-N1001-v8.docx> [retrieved on 20190611] *
C-C CHEN (INTERDIGITAL) ET AL: "Generalized bi-prediction for inter coding", no. JVET-C0047, 28 May 2016 (2016-05-28), XP030247211, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/3_Geneva/wg11/JVET-C0047-v2.zip JVET-C0047_r1.docx> [retrieved on 20160528] *
See also references of WO2020251423A2 *

Also Published As

Publication number Publication date
WO2020251423A2 (en) 2020-12-17
EP4029247A2 (en) 2022-07-20
WO2020251423A3 (en) 2021-03-04

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