ZA201904373B - Motion vector reconstructions for bi-directional optical flow (bio) - Google Patents

Motion vector reconstructions for bi-directional optical flow (bio)

Info

Publication number
ZA201904373B
ZA201904373B ZA2019/04373A ZA201904373A ZA201904373B ZA 201904373 B ZA201904373 B ZA 201904373B ZA 2019/04373 A ZA2019/04373 A ZA 2019/04373A ZA 201904373 A ZA201904373 A ZA 201904373A ZA 201904373 B ZA201904373 B ZA 201904373B
Authority
ZA
South Africa
Prior art keywords
bio
motion vector
optical flow
directional optical
reconstructions
Prior art date
Application number
ZA2019/04373A
Other languages
English (en)
Inventor
Yi-Wen Chen
Hsiao-Chiang Chuang
Xiang Li
Li Zhang
Wei-Jung Chien
Jianle Chen
Marta Karczewicz
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of ZA201904373B publication Critical patent/ZA201904373B/en

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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
    • H04N19/134—Methods 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/134—Methods 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/50—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
    • H04N19/513—Processing of motion vectors
    • 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
    • H04N19/537—Motion estimation other than block-based
    • 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
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/144—Movement detection
    • H04N5/145—Movement estimation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
ZA2019/04373A 2017-01-04 2019-07-03 Motion vector reconstructions for bi-directional optical flow (bio) ZA201904373B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201762442357P 2017-01-04 2017-01-04
US201762445152P 2017-01-11 2017-01-11
US15/861,515 US10931969B2 (en) 2017-01-04 2018-01-03 Motion vector reconstructions for bi-directional optical flow (BIO)
PCT/US2018/012360 WO2018129172A1 (en) 2017-01-04 2018-01-04 Motion vector reconstructions for bi-directional optical flow (bio)

Publications (1)

Publication Number Publication Date
ZA201904373B true ZA201904373B (en) 2023-03-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2019/04373A ZA201904373B (en) 2017-01-04 2019-07-03 Motion vector reconstructions for bi-directional optical flow (bio)

Country Status (12)

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US (1) US10931969B2 (enExample)
EP (1) EP3566441B1 (enExample)
JP (1) JP7159166B2 (enExample)
KR (1) KR102579523B1 (enExample)
CN (1) CN110036638B (enExample)
AU (1) AU2018205783B2 (enExample)
BR (1) BR112019013684A2 (enExample)
CL (1) CL2019001393A1 (enExample)
CO (1) CO2019007120A2 (enExample)
TW (1) TWI761415B (enExample)
WO (1) WO2018129172A1 (enExample)
ZA (1) ZA201904373B (enExample)

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TWI761415B (zh) 2022-04-21
EP3566441C0 (en) 2024-07-31
JP7159166B2 (ja) 2022-10-24
CO2019007120A2 (es) 2019-09-18
JP2020503799A (ja) 2020-01-30
BR112019013684A2 (pt) 2020-01-28
AU2018205783B2 (en) 2023-02-02
US20180192072A1 (en) 2018-07-05
US10931969B2 (en) 2021-02-23
EP3566441B1 (en) 2024-07-31
AU2018205783A1 (en) 2019-05-23
WO2018129172A1 (en) 2018-07-12
EP3566441A1 (en) 2019-11-13
CN110036638A (zh) 2019-07-19
TW201830966A (zh) 2018-08-16
KR20190103171A (ko) 2019-09-04
CL2019001393A1 (es) 2019-09-27
CA3043050A1 (en) 2018-07-12
CN110036638B (zh) 2023-06-27
KR102579523B1 (ko) 2023-09-15

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