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Investigating the Relationship between Sea Surface Chlorophyll and Major Features of the South China Sea with Satellite Information
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Computer-graphics analysis of atmospheric refraction.

W H Lehn, M B E-Arini

    Applied Optics
    |March 6, 2010
    PubMed
    Summary
    This summary is machine-generated.

    This study uses interactive computer graphics to simulate how objects appear through the lower atmosphere. The program aids in understanding atmospheric refraction by generating visual images based on atmospheric data and object sketches.

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    Area of Science:

    • Atmospheric optics
    • Computer graphics
    • Image processing

    Background:

    • Atmospheric refraction significantly distorts visual perception of objects.
    • Accurate simulation of visual transmission through the atmosphere is challenging.
    • Existing methods lack efficient visualization tools for atmospheric effects.

    Purpose of the Study:

    • To develop an interactive computer graphics program for visualizing image transmission through the lower atmosphere.
    • To provide a tool for studying the effects of atmospheric refraction on visual perception.
    • To generate realistic pictorial representations of objects as seen through atmospheric conditions.

    Main Methods:

    • Utilizing atmospheric temperature profiles as input data.
    • Employing light-pen sketches to define object positions and characteristics.
    • Computing a transfer characteristic based on ray tracing from the observer.
    • Simultaneously displaying object images and horizon line on a graphics terminal.

    Main Results:

    • Successfully generated visual images of objects as they would appear through the lower atmosphere.
    • Demonstrated the program's capability to map object locations considering atmospheric distortion.
    • Provided a dynamic and interactive visualization of atmospheric refraction effects.

    Conclusions:

    • Interactive computer graphics offers a powerful method for simulating atmospheric visual transmission.
    • The developed program serves as a valuable aid for research in atmospheric refraction.
    • This visualization technique enhances the understanding of how atmospheric conditions affect sight.