Automatic target recognition (ATR) generally refers to the autonomous or aided target detection and recognition by computer processing of data from a variety of sensors such as forward looking infrared (FLIR), synthetic aperture radar(SAR), inverse synthetic aperture radar (ISAR), laser radar (LADAR), millimeter wave (MMW) radar, multispectral/hyperspectral sensors, low-light television (LLTV), video, ete. It is an extremely important capability for targeting and surveillance missions of defense weapon systems operating from a variety of platforms.
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Bhanu et al. (1997) studied this question.