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        Experimental study of contrast utilizing a vidicon.

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        Iconexperimentalstud00have.pdf (3.835Mb)
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        Author
        Havel, Richard William
        Date
        1980-06
        Advisor
        Crittenden, E.C. Jr.
        Second Reader
        Cooper, A.W.
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        Abstract
        A commercial multi-purpose closed circuit television camera system with a vidicon image tube was studied to determine its capability for measurement of contrast and visibility. A single line of the scan from the camera video output was extracted and examined with an oscilloscope. A derivation of system response was made and a comparison performed with laboratory data. Calibration of the field of view, for one particular television pick-up tube, revealed nonuniformities making resolution of 2 percent contrast difficult. Useful resolution results are expected with improvement of the pick-up tube or with employment of digital processing techniques.
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        Approved for public release; distribution is unlimited
        URI
        http://hdl.handle.net/10945/17589
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        • 1. Thesis and Dissertation Collection, all items

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          Analysis of target contrast improvement using polarization filtering in the infrared region 

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