SG11202107970QA - Early termination for optical flow refinement - Google Patents

Early termination for optical flow refinement

Info

Publication number
SG11202107970QA
SG11202107970QA SG11202107970QA SG11202107970QA SG11202107970QA SG 11202107970Q A SG11202107970Q A SG 11202107970QA SG 11202107970Q A SG11202107970Q A SG 11202107970QA SG 11202107970Q A SG11202107970Q A SG 11202107970QA SG 11202107970Q A SG11202107970Q A SG 11202107970QA
Authority
SG
Singapore
Prior art keywords
optical flow
early termination
flow refinement
refinement
termination
Prior art date
Application number
SG11202107970QA
Inventor
Semih Esenlik
Sriram Sethuraman
Jeeva Raj A
Sagar Kotecha
Original Assignee
Huawei Tech 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 Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of SG11202107970QA publication Critical patent/SG11202107970QA/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/117Filters, e.g. for pre-processing or post-processing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/557Motion estimation characterised by stopping computation or iteration based on certain criteria, e.g. error magnitude being too large or early exit
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
SG11202107970QA 2019-02-22 2020-02-21 Early termination for optical flow refinement SG11202107970QA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN201931007114 2019-02-22
PCT/CN2020/076178 WO2020169083A1 (en) 2019-02-22 2020-02-21 Early termination for optical flow refinement

Publications (1)

Publication Number Publication Date
SG11202107970QA true SG11202107970QA (en) 2021-08-30

Family

ID=72144773

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202107970QA SG11202107970QA (en) 2019-02-22 2020-02-21 Early termination for optical flow refinement

Country Status (17)

Country Link
EP (2) EP4243418A3 (en)
JP (2) JP7271697B2 (en)
KR (2) KR20240000638A (en)
CN (2) CN113383550A (en)
AU (1) AU2020226553A1 (en)
BR (1) BR112021016270A2 (en)
CA (1) CA3128112A1 (en)
DK (1) DK3912352T3 (en)
ES (1) ES2965083T3 (en)
FI (1) FI3912352T3 (en)
HU (1) HUE063469T2 (en)
MX (1) MX2021009931A (en)
PL (1) PL3912352T3 (en)
PT (1) PT3912352T (en)
SG (1) SG11202107970QA (en)
WO (1) WO2020169083A1 (en)
ZA (1) ZA202106944B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023277755A1 (en) * 2021-06-30 2023-01-05 Telefonaktiebolaget Lm Ericsson (Publ) Selective subblock-based motion refinement
WO2023277756A1 (en) * 2021-06-30 2023-01-05 Telefonaktiebolaget Lm Ericsson (Publ) Overlapped decoder side motion refinement
WO2023193769A1 (en) * 2022-04-06 2023-10-12 Mediatek Inc. Implicit multi-pass decoder-side motion vector refinement

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040076333A1 (en) 2002-10-22 2004-04-22 Huipin Zhang Adaptive interpolation filter system for motion compensated predictive video coding
US10127644B2 (en) * 2015-04-10 2018-11-13 Apple Inc. Generating synthetic video frames using optical flow
EP3340620A4 (en) * 2015-08-23 2019-04-17 LG Electronics Inc. Inter prediction mode-based image processing method and apparatus therefor
WO2017036414A1 (en) * 2015-09-02 2017-03-09 Mediatek Inc. Method and apparatus of decoder side motion derivation for video coding
WO2017036399A1 (en) * 2015-09-02 2017-03-09 Mediatek Inc. Method and apparatus of motion compensation for video coding based on bi prediction optical flow techniques
EP4138392A1 (en) * 2016-02-05 2023-02-22 HFI Innovation Inc. Method and apparatus of motion compensation based on bi-directional optical flow techniques for video coding
US20180199057A1 (en) * 2017-01-12 2018-07-12 Mediatek Inc. Method and Apparatus of Candidate Skipping for Predictor Refinement in Video Coding
WO2018173895A1 (en) * 2017-03-21 2018-09-27 シャープ株式会社 Predicted-image generation device, video decoding device, and video coding device
WO2019001741A1 (en) * 2017-06-30 2019-01-03 Huawei Technologies Co., Ltd. Motion vector refinement for multi-reference prediction
CN110832858B (en) * 2017-07-03 2023-10-13 Vid拓展公司 Apparatus and method for video encoding and decoding

Also Published As

Publication number Publication date
WO2020169083A1 (en) 2020-08-27
PL3912352T3 (en) 2024-02-26
ZA202106944B (en) 2022-09-28
DK3912352T3 (en) 2023-11-20
EP3912352B1 (en) 2023-09-06
AU2020226553A1 (en) 2021-08-19
KR102616714B1 (en) 2023-12-20
US20210392334A1 (en) 2021-12-16
JP2023099561A (en) 2023-07-13
PT3912352T (en) 2023-11-21
FI3912352T3 (en) 2023-11-30
CA3128112A1 (en) 2020-08-27
BR112021016270A2 (en) 2021-10-13
ES2965083T3 (en) 2024-04-10
EP4243418A3 (en) 2023-10-25
EP4243418A2 (en) 2023-09-13
CN114845102A (en) 2022-08-02
JP2022521748A (en) 2022-04-12
JP7271697B2 (en) 2023-05-11
CN114845102B (en) 2023-07-07
CN113383550A (en) 2021-09-10
EP3912352A4 (en) 2022-04-20
MX2021009931A (en) 2021-09-21
HUE063469T2 (en) 2024-01-28
KR20240000638A (en) 2024-01-02
KR20210113384A (en) 2021-09-15
EP3912352A1 (en) 2021-11-24

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