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3 June 2014 Effects of star crossings on the detection of dim objects in orbit and mitigation strategies for improving detection
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Abstract
Detecting objects in space that are potentially hazardous to satellites or our population is an important problem that is growing every year as more objects are launched and collisions between objects introduce more debris. The problem of detecting these objects using Earth-based optical telescopes is challenging, but is generally dictated by available light and atmospheric seeing conditions. In this paper a related problem is described and demonstrated involving the detection of objects that are near brighter objects like stars. Starlight creates the expected problem of increasing the amount of noise and extra light in the region around it, but in this paper the effect of spatial operations carried out by traditional space object detection algorithms is factored in. These spatial processing effects magnify the contribution of stray starlight and cause large zones around stars to form that make detection of any space debris within them very difficult. This paper documents a new algorithm that can mitigate this effect and facilitate the detection of objects near stars.
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Brent Gessel and S. Cain "Effects of star crossings on the detection of dim objects in orbit and mitigation strategies for improving detection", Proc. SPIE 9085, Sensors and Systems for Space Applications VII, 908502 (3 June 2014); https://doi.org/10.1117/12.2049062
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