EP4022925A4 - An encoder, a decoder and corresponding methods of cabac coding for the indices of geometric partition flag - Google Patents

An encoder, a decoder and corresponding methods of cabac coding for the indices of geometric partition flag Download PDF

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Publication number
EP4022925A4
EP4022925A4 EP20858732.9A EP20858732A EP4022925A4 EP 4022925 A4 EP4022925 A4 EP 4022925A4 EP 20858732 A EP20858732 A EP 20858732A EP 4022925 A4 EP4022925 A4 EP 4022925A4
Authority
EP
European Patent Office
Prior art keywords
indices
decoder
encoder
corresponding methods
cabac coding
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
EP20858732.9A
Other languages
German (de)
French (fr)
Other versions
EP4022925A1 (en
Inventor
Han GAO
Semih Esenlik
Elena Alexandrovna ALSHINA
Biao Wang
Anand Meher Kotra
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 EP4022925A1 publication Critical patent/EP4022925A1/en
Publication of EP4022925A4 publication Critical patent/EP4022925A4/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
    • H04N19/10—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
    • H04N19/10—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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
EP20858732.9A 2019-08-27 2020-08-26 An encoder, a decoder and corresponding methods of cabac coding for the indices of geometric partition flag Pending EP4022925A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP2019072797 2019-08-27
PCT/CN2020/111338 WO2021037053A1 (en) 2019-08-27 2020-08-26 An encoder, a decoder and corresponding methods of cabac coding for the indices of geometric partition flag

Publications (2)

Publication Number Publication Date
EP4022925A1 EP4022925A1 (en) 2022-07-06
EP4022925A4 true EP4022925A4 (en) 2022-11-16

Family

ID=74684252

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20858732.9A Pending EP4022925A4 (en) 2019-08-27 2020-08-26 An encoder, a decoder and corresponding methods of cabac coding for the indices of geometric partition flag

Country Status (3)

Country Link
EP (1) EP4022925A4 (en)
CN (1) CN114303380B (en)
WO (1) WO2021037053A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12166973B2 (en) * 2021-07-07 2024-12-10 Tencent America LLC Entropy coding for intra prediction modes
EP4508849A4 (en) * 2022-04-14 2026-04-15 Beijing Dajia Internet Information Tech Co Ltd METHOD AND DEVICES FOR GEOMETRIC PARTITIONING MODE WITH ADAPTIVE MIXTURE
WO2023239879A1 (en) * 2022-06-09 2023-12-14 Beijing Dajia Internet Information Technology Co., Ltd. Methods and devices for geometric partitioning mode with adaptive blending
WO2024153151A1 (en) * 2023-01-18 2024-07-25 Douyin Vision Co., Ltd. Method, apparatus, and medium for video processing

Citations (2)

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Publication number Priority date Publication date Assignee Title
WO2019009503A1 (en) * 2017-07-07 2019-01-10 삼성전자 주식회사 Video coding method and device, video decoding method and device
WO2019138998A1 (en) * 2018-01-12 2019-07-18 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ Encoding device, decoding device, encoding method, and decoding method

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US8879632B2 (en) * 2010-02-18 2014-11-04 Qualcomm Incorporated Fixed point implementation for geometric motion partitioning
CN102724493B (en) * 2011-01-18 2014-06-25 清华大学 Coding and decoding methods of intra-frame prediction modes based on image blocks and codec
MY172302A (en) * 2012-04-15 2019-11-21 Samsung Electronics Co Ltd Method and apparatus for determining reference images for inter-prediction
US10721489B2 (en) * 2016-09-06 2020-07-21 Qualcomm Incorporated Geometry-based priority for the construction of candidate lists
US20200137422A1 (en) * 2017-06-30 2020-04-30 Sharp Kabushiki Kaisha Systems and methods for geometry-adaptive block partitioning of a picture into video blocks for video coding
US11477492B2 (en) * 2017-08-04 2022-10-18 Google Inc. Adaptation for entropy coding of blocks of image data
CN118214857A (en) * 2017-10-26 2024-06-18 英迪股份有限公司 Method and apparatus for image encoding/decoding based on asymmetric sub-blocks
CN118301338A (en) * 2017-11-16 2024-07-05 英迪股份有限公司 Image encoding/decoding method and recording medium storing bit stream
GB2585019A (en) * 2019-06-24 2020-12-30 Canon Kk Residual signalling

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019009503A1 (en) * 2017-07-07 2019-01-10 삼성전자 주식회사 Video coding method and device, video decoding method and device
EP3621305A1 (en) * 2017-07-07 2020-03-11 Samsung Electronics Co., Ltd. Video coding method and device, video decoding method and device
WO2019138998A1 (en) * 2018-01-12 2019-07-18 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ Encoding device, decoding device, encoding method, and decoding method

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ESENLIK (HUAWEI) S ET AL: "Non-CE4: Geometrical partitioning for inter blocks", no. JVET-O0489 ; m48614, 3 July 2019 (2019-07-03), XP030219719, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/15_Gothenburg/wg11/JVET-O0489-v3.zip JVET-O0489_v2.docx> [retrieved on 20190703] *
See also references of WO2021037053A1 *

Also Published As

Publication number Publication date
CN114303380B (en) 2024-04-09
WO2021037053A1 (en) 2021-03-04
EP4022925A1 (en) 2022-07-06
CN114303380A (en) 2022-04-08

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