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Simulation of mirages.

W H Lehn, W Friesen

    Applied Optics
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    This study introduces a novel mirage simulator that digitally generates realistic mirage images from photographs. The simulator accurately models atmospheric refraction effects on visual perception.

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    Area of Science:

    • Optics
    • Atmospheric Physics
    • Digital Imaging

    Background:

    • Mirages are optical phenomena caused by atmospheric refraction.
    • Understanding mirages is crucial for various scientific and practical applications.

    Purpose of the Study:

    • To develop a digital mirage simulator.
    • To generate realistic mirage images from normal photographs.

    Main Methods:

    • Utilizing digital imaging equipment for simulation.
    • Implementing a program to relocate horizontal image lines based on ray tracing.
    • Demonstrating that atmospheric refraction does not alter apparent image brightness.

    Main Results:

    • The simulator successfully generates realistic mirage images.
    • The simulation accurately models the displacement and distortion of images by atmospheric refraction.
    • Apparent brightness remains constant despite changes in object size or shape.

    Conclusions:

    • The developed mirage simulator is a valuable tool for analyzing mirage phenomena.
    • The simulation accurately reflects the physics of atmospheric refraction on visual perception.