EP4029261A4 - Adaptive einstellung der genauigkeit von gewichtungsvorhersageparametern - Google Patents

Adaptive einstellung der genauigkeit von gewichtungsvorhersageparametern Download PDF

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Publication number
EP4029261A4
EP4029261A4 EP20823097.9A EP20823097A EP4029261A4 EP 4029261 A4 EP4029261 A4 EP 4029261A4 EP 20823097 A EP20823097 A EP 20823097A EP 4029261 A4 EP4029261 A4 EP 4029261A4
Authority
EP
European Patent Office
Prior art keywords
prediction parameter
adaptive adjustment
weighting prediction
parameter precision
precision
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
EP20823097.9A
Other languages
English (en)
French (fr)
Other versions
EP4029261A2 (de
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 EP4029261A2 publication Critical patent/EP4029261A2/de
Publication of EP4029261A4 publication Critical patent/EP4029261A4/de
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
    • H04N19/115—Selection of the code volume for a coding unit prior to coding
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
EP20823097.9A 2019-10-07 2020-10-05 Adaptive einstellung der genauigkeit von gewichtungsvorhersageparametern Pending EP4029261A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP2019077031 2019-10-07
PCT/RU2020/050271 WO2020251422A2 (en) 2019-10-07 2020-10-05 Method and apparatus of adaptive adjustment of weighting prediction parameter precision for harmonizing non-rectangular merge mode and weighted prediction

Publications (2)

Publication Number Publication Date
EP4029261A2 EP4029261A2 (de) 2022-07-20
EP4029261A4 true EP4029261A4 (de) 2022-11-23

Family

ID=73786082

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20823097.9A Pending EP4029261A4 (de) 2019-10-07 2020-10-05 Adaptive einstellung der genauigkeit von gewichtungsvorhersageparametern

Country Status (2)

Country Link
EP (1) EP4029261A4 (de)
WO (1) WO2020251422A2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4091322A4 (de) * 2020-02-19 2023-04-26 ByteDance Inc. Signalisieren der voraussagungsgewichte in den allgemeinen einschränkungsinformationen eines bitstroms
CN113973205A (zh) * 2021-10-21 2022-01-25 重庆邮电大学 基于视频内容特征的码率控制比特分配方法及存储介质

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3053340B1 (de) * 2013-10-03 2017-09-13 Qualcomm Incorporated Hochpräzise explizite gewichtete prädiktion zur videocodierung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9161057B2 (en) * 2009-07-09 2015-10-13 Qualcomm Incorporated Non-zero rounding and prediction mode selection techniques in video encoding
EP3217663A4 (de) * 2014-11-06 2018-02-14 Samsung Electronics Co., Ltd. Verfahren und vorrichtung zur videocodierung sowie verfahren und vorrichtung zur videodecodierung

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3053340B1 (de) * 2013-10-03 2017-09-13 Qualcomm Incorporated Hochpräzise explizite gewichtete prädiktion zur videocodierung

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
BROSS B ET AL: "Versatile Video Coding (Draft 5)", no. JVET-N1001, 2 July 2019 (2019-07-02), pages 1 - 406, XP030220731, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/14_Geneva/wg11/JVET-N1001-v10.zip JVET-N1001-v10.docx> [retrieved on 20190702] *
See also references of WO2020251422A2 *

Also Published As

Publication number Publication date
EP4029261A2 (de) 2022-07-20
WO2020251422A2 (en) 2020-12-17
WO2020251422A3 (en) 2021-03-18

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