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The design and implementation of adaptive coded apertures (diffraction) has advanced significantly since the first SPIE conference on Adaptive Coded Aperture Imaging and Non-Imaging Sensors held in 2007. Core algorithmic concepts relating to coding and decoding techniques remain steeply based in its non-diffractive design origins. We discuss adaptive coded aperture imaging's current capabilities in light of recent advances as well as methods of improvement for future systems design. The advantages of implementing reconfigurable mask patterns compared to fixed ones will also be discussed, as well as potential improvement in angular resolution by means of reconfigurable masks.

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We describe a new pilot tactical training aid recently delivered to selected US Marine Corps helicopter squadrons. The trainer is directed at improving targeting performance on missions supported by cockpit display of FUR imagery. Particular features of the Target Identification Sensor Performance (TISP) trainer reported here include Infrared Phenomenology training, Ground Target Identification drill, Sensor Controls Operation training, Symbology Familiarization and Performance Prediction. Training is accomplished using real infrared imagery modified to reflect varying environmental conditions. Trainees can select the tactical scene and any of nearly 200 environmental combinations. Performance Prediction graphs are then presented along with the modified images, thereby illustrating the imagery at the predicted ranges. The Infrared Phenomenology training further demonstrates the environmental impacts.