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    Optical coding of SPAD array and its application in compressive depth and transient imaging

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    111870D(1).pdf
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    Description:
    Conference article
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    Type
    Article
    Authors
    Sun, Qilin cc
    Dun, Xiong
    Peng, Yi-fan
    Heidrich, Wolfgang cc
    KAUST Department
    Computational Imaging Group
    Computer Science Program
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering
    Electrical Engineering Program
    Visual Computing Center (VCC)
    Date
    2019-11-18
    Permanent link to this record
    http://hdl.handle.net/10754/661064
    
    Metadata
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    Abstract
    Time-of-flight depth imaging and transient imaging are two imaging modalities that have recently received a lot of interest. Despite much research, existing hardware systems are limited either in terms of temporal resolution or are prohibitively expensive. Arrays of Single Photon Avalanche Diodes (SPADs) are promising candidates to fill this gap by providing higher temporal resolution at an affordable cost. Unfortunately, state-of-the-art SPAD arrays are only available in relatively small resolutions and low fill-factor. Furthermore, the low fill-factor issue leads to more ill-posed problems when seeking to realize the super-resolution imaging with SPAD array. In this work, we target on hand-crafting the optical structure of SPAD array to enable the super-resolution design of SPAD array. We particularly investigate the scenario of optical coding for SPAD array, including the improvement of fill-factor of SPAD array by assembling microstructures and the direct light modulation using a diffractive optical element. A part of the design work has been applied in our recent advance, where here we show several applications in depth and transient imaging.
    Citation
    Sun, Q., Dun, X., Peng, Y., & Heidrich, W. (2019). Optical coding of SPAD array and its application in compressive depth and transient imaging. Optoelectronic Imaging and Multimedia Technology VI. doi:10.1117/12.2538783
    Sponsors
    This project is supported by King Abdullah University of Science and Technology (KAUST) baseline funding.
    Publisher
    SPIE-Intl Soc Optical Eng
    Journal
    Optoelectronic Imaging and Multimedia Technology VI
    DOI
    10.1117/12.2538783
    Additional Links
    https://www.spiedigitallibrary.org/conference-proceedings-of-spie/11187/2538783/Optical-coding-of-SPAD-array-and-its-application-in-compressive/10.1117/12.2538783.full
    ae974a485f413a2113503eed53cd6c53
    10.1117/12.2538783
    Scopus Count
    Collections
    Articles; Computer Science Program; Electrical and Computer Engineering Program; Visual Computing Center (VCC); Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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