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Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform
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Dual-band single-pixel telescope.

Yiwei Zhang, Graham M Gibson, Matthew P Edgar

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    |July 19, 2020
    PubMed
    Summary
    This summary is machine-generated.

    This study presents a low-cost, dual-band single-pixel telescope for simultaneous visible (VIS) and short-wave infrared (SWIR) imaging. The system achieves 64x64 resolution at 2.4 Hz, offering a cost-effective solution for various optical applications.

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    Area of Science:

    • Optics and Photonics
    • Infrared Imaging Technology
    • Sensor Systems

    Background:

    • Conventional imaging sensors are costly, especially for non-visible wavelengths.
    • Single-pixel imaging offers a low-cost alternative for capturing images across various spectral regions.
    • Short-wave infrared (SWIR) imaging enhances visibility in adverse conditions like fog and low light.

    Purpose of the Study:

    • To demonstrate a dual-band single-pixel telescope capable of simultaneous visible (VIS) and short-wave infrared (SWIR) imaging.
    • To evaluate the system's performance in outdoor weather conditions.
    • To highlight the advantages of single-pixel SWIR imaging for enhanced observation.

    Main Methods:

    • Development of a dual-band single-pixel telescope system.
    • Implementation of single-pixel detection for both VIS and SWIR spectral bands.
    • Reconstruction of images from single-pixel measurements at 64x64 resolution.
    • Achieving continuous imaging at frame rates up to 2.4 Hz.

    Main Results:

    • Successful simultaneous VIS and SWIR imaging of various objects under outdoor conditions.
    • Demonstrated 64x64 pixel-resolution imaging capability.
    • Achieved continuous imaging at a frame rate of up to 2.4 Hz.
    • Visual and contrast analysis confirmed the significant contribution of SWIR imaging.

    Conclusions:

    • The developed single-pixel telescope provides a cost-effective solution for dual-band imaging.
    • This technology extends imaging capabilities to challenging environmental conditions.
    • It offers a viable alternative for synchronized dual-waveband optical applications.