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Deconvolution, also known as inverse filtering, is the process of extracting the impulse response from known input and output signals. This technique is vital in scenarios where the system's characteristics are unknown, and they must be inferred from the observable signals.
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Simultaneous Measurement of Turbulence and Particle Kinematics Using Flow Imaging Techniques
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Atmospheric turbulence characterization through multiframe blind deconvolution.

Adam J Webb, Michael C Roggemann, Matthew R Whiteley

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    |June 18, 2021
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    Summary
    This summary is machine-generated.

    This study introduces an image processing method to measure atmospheric turbulence and reduce its impact on optical systems. The approach quantifies turbulence via atmospheric coherence length, proving effective on simulated and real-world data.

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    Area of Science:

    • Optical Engineering
    • Atmospheric Physics
    • Image Processing

    Background:

    • Atmospheric turbulence significantly degrades optical system performance.
    • Accurate characterization and mitigation are crucial for commercial and military applications.

    Purpose of the Study:

    • To develop and validate an image processing approach for joint atmospheric turbulence characterization and mitigation.
    • To indirectly measure atmospheric turbulence magnitude using image frames.

    Main Methods:

    • Utilized a novel image processing technique.
    • Measured atmospheric turbulence indirectly via atmospheric coherence length.
    • Tested the approach on both simulated and experimental image data.

    Main Results:

    • Successfully characterized atmospheric turbulence magnitude.
    • Demonstrated effective mitigation of turbulence effects in optical imaging.
    • Validated the approach's utility on diverse datasets.

    Conclusions:

    • The presented image processing method offers a viable solution for atmospheric turbulence characterization and mitigation.
    • This technique has practical implications for enhancing optical system performance in turbulent environments.