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Updated: Jul 6, 2026
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Sensor performance conversions for infrared target acquisition and intelligence-surveillance-reconnaissance imaging
R G Driggers1, M Kruer, D Scribner
1Science and Technology Reserve Detachment 206, Naval Research Laboratory, 2701 South Capital Street, Southwest, Washington, DC 20373-5819, USA.
Abstract:
Target acquisition infrared imaging sensors are characterized by their minimum resolvable temperature parameter that is translated to the probability of identification (Pid) performance estimate for a given target. Intelligence-surveillance-reconnaissance (ISR) sensors are characterized by the general image quality equation to give a national imagery interpretability rating scale (NIIRS) performance estimate. Sensors, such as those on Predator and Global Hawk, will soon be used for both ISR and target acquisition purposes. We present a performance conversion that includes both sensor resolution and sensitivity. We also provide the first empirical results to our knowledge ever to be presented that relate NIIRS and Pid for a given set of targets.
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