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Centroid for the Paraboloid of Revolution

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The paraboloid of revolution is an axially symmetric surface generated by rotating a parabola around its axis. This shape has several applications in mechanical engineering due to its advantageous structural properties, such as strength against stress concentration points and rotational symmetry.
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Ghost panorama using a convex mirror.

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    Researchers developed computational panoramic ghost imaging, a novel lens-free technique using a single-pixel detector and convex mirror to create full-color panoramas. This breakthrough offers new imaging possibilities for challenging environments.

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    Area of Science:

    • Optics and Photonics
    • Computational Imaging

    Background:

    • Computational ghost imaging (CGI) utilizes lens-free single-pixel detectors for image formation.
    • Existing CGI methods are typically limited in field of view.

    Purpose of the Study:

    • To introduce a novel computational panoramic ghost imaging (CPGI) system.
    • To demonstrate full-color panorama generation using a single-pixel photodetector.

    Main Methods:

    • Employed a convex mirror for optical transformation of illumination patterns.
    • Utilized engineered Hadamard-based circular illumination for omnidirectional light projection.
    • Integrated a single-pixel photodetector for image reconstruction.

    Main Results:

    • Successfully achieved full-color panoramic imaging with a lens-free, single-pixel system.
    • Demonstrated the feasibility of the proposed ghost panorama concept through preliminary experiments.

    Conclusions:

    • The developed CPGI system represents a pioneering approach to panoramic imaging.
    • Ghost panoramas show significant potential for applications in extreme conditions and unconventional imaging scenarios.