EP3963881A4 - Early termination for optical flow refinment - Google Patents

Early termination for optical flow refinment Download PDF

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Publication number
EP3963881A4
EP3963881A4 EP20826064.6A EP20826064A EP3963881A4 EP 3963881 A4 EP3963881 A4 EP 3963881A4 EP 20826064 A EP20826064 A EP 20826064A EP 3963881 A4 EP3963881 A4 EP 3963881A4
Authority
EP
European Patent Office
Prior art keywords
refinment
optical flow
early termination
termination
early
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
EP20826064.6A
Other languages
German (de)
French (fr)
Other versions
EP3963881A1 (en
Inventor
Sriram Sethuraman
Jeeva Raj A
Sagar KOTECHA
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 EP3963881A1 publication Critical patent/EP3963881A1/en
Publication of EP3963881A4 publication Critical patent/EP3963881A4/en
Pending legal-status Critical Current

Links

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
    • H04N19/50—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
    • H04N19/50—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
    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
EP20826064.6A 2019-06-21 2020-06-20 Early termination for optical flow refinment Pending EP3963881A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN201931024824 2019-06-21
PCT/CN2020/097280 WO2020253853A1 (en) 2019-06-21 2020-06-20 Early termination for optical flow refinment

Publications (2)

Publication Number Publication Date
EP3963881A1 EP3963881A1 (en) 2022-03-09
EP3963881A4 true EP3963881A4 (en) 2022-11-02

Family

ID=74040650

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20826064.6A Pending EP3963881A4 (en) 2019-06-21 2020-06-20 Early termination for optical flow refinment

Country Status (2)

Country Link
EP (1) EP3963881A4 (en)
WO (1) WO2020253853A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11638025B2 (en) * 2021-03-19 2023-04-25 Qualcomm Incorporated Multi-scale optical flow for learned video compression

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11109061B2 (en) * 2016-02-05 2021-08-31 Mediatek Inc. Method and apparatus of motion compensation based on bi-directional optical flow techniques for video coding
BR112019012582A8 (en) * 2016-12-22 2023-02-07 Mediatek Inc MOTION REFINEMENT METHOD AND APPARATUS FOR VIDEO CODING
US10523964B2 (en) * 2017-03-13 2019-12-31 Qualcomm Incorporated Inter prediction refinement based on bi-directional optical flow (BIO)
WO2018199468A1 (en) * 2017-04-24 2018-11-01 에스케이텔레콤 주식회사 Method and apparatus for estimating optical flow for motion compensation

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
CHUJOH T ET AL: "Non-CE9: On conditions for DMVR and BDOF", no. JVET-N0146, 26 March 2019 (2019-03-26), XP030256817, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/14_Geneva/wg11/JVET-N0146-v4.zip JVET-N0146-v1.docx> [retrieved on 20190326] *
C-Y LAI ET AL: "CE9-1.1: BDOF early termination", no. JVET-O0054, 18 June 2019 (2019-06-18), XP030205585, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/15_Gothenburg/wg11/JVET-O0054-v1.zip JVET-O0054-v1.docx> [retrieved on 20190618] *
ESENLIK (HUAWEI) S ET AL: "Description of Core Experiment 9 (CE9): Decoder Side Motion Vector Derivation", no. m42832, 9 May 2018 (2018-05-09), XP030262097, Retrieved from the Internet <URL:http://phenix.int-evry.fr/mpeg/doc_end_user/documents/122_San%20Diego/wg11/m42832-JVET-J1029-v3-JVET-J1029_r2.zip JVET-J1029_r2.doc> [retrieved on 20180509] *
R-L LIAO (ALIBABA-INC) ET AL: "Non-CE9: Simplification of DMVR and BDOF combination", no. JVET-N0484, 18 March 2019 (2019-03-18), XP030203522, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/14_Geneva/wg11/JVET-N0484-v2.zip JVET-N0484-v2.docx> [retrieved on 20190318] *
See also references of WO2020253853A1 *

Also Published As

Publication number Publication date
EP3963881A1 (en) 2022-03-09
WO2020253853A1 (en) 2020-12-24

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