SG11201910399PA - A memory-bandwidth-efficient design for bi-directional optical flow (bio) - Google Patents

A memory-bandwidth-efficient design for bi-directional optical flow (bio)

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Publication number
SG11201910399PA
SG11201910399PA SG11201910399PA SG11201910399PA SG11201910399PA SG 11201910399P A SG11201910399P A SG 11201910399PA SG 11201910399P A SG11201910399P A SG 11201910399PA SG 11201910399P A SG11201910399P A SG 11201910399PA SG 11201910399P A SG11201910399P A SG 11201910399PA
Authority
SG
Singapore
Prior art keywords
bio
bandwidth
memory
optical flow
directional optical
Prior art date
Application number
SG11201910399PA
Inventor
Hsiao-Chiang Chuang
Jianle Chen
Kai Zhang
Xiang Li
Marta Karczewicz
Yi-Wen Chen
Wei-Jung Chien
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.)
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Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of SG11201910399PA publication Critical patent/SG11201910399PA/en

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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • 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
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    • 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
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    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
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    • 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
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    • H—ELECTRICITY
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    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
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    • 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
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    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
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    • 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
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • H—ELECTRICITY
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    • 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
    • H04N19/553—Motion estimation dealing with occlusions

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
SG11201910399PA 2017-06-23 2018-06-22 A memory-bandwidth-efficient design for bi-directional optical flow (bio) SG11201910399PA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201762524398P 2017-06-23 2017-06-23
US16/015,046 US10904565B2 (en) 2017-06-23 2018-06-21 Memory-bandwidth-efficient design for bi-directional optical flow (BIO)
PCT/US2018/039065 WO2018237303A1 (en) 2017-06-23 2018-06-22 A memory-bandwidth-efficient design for bi-directional optical flow (bio)

Publications (1)

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SG11201910399PA true SG11201910399PA (en) 2020-01-30

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US (1) US10904565B2 (en)
EP (1) EP3643066B1 (en)
KR (1) KR20200020722A (en)
CN (1) CN110754087B (en)
AU (1) AU2018288866A1 (en)
BR (1) BR112019026775A2 (en)
SG (1) SG11201910399PA (en)
WO (1) WO2018237303A1 (en)

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US20180376166A1 (en) 2018-12-27
AU2018288866A1 (en) 2019-12-05
CN110754087B (en) 2023-11-10
KR20200020722A (en) 2020-02-26
EP3643066B1 (en) 2021-09-01
WO2018237303A1 (en) 2018-12-27
EP3643066A1 (en) 2020-04-29
CN110754087A (en) 2020-02-04
BR112019026775A2 (en) 2020-06-30
US10904565B2 (en) 2021-01-26

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