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20 March 2001 Compact-optical-correlator-based helmet tracking system
Nicholas J. New, Tim D. Wilkinson
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Proceedings Volume 4387, Optical Pattern Recognition XII; (2001) https://doi.org/10.1117/12.421151
Event: Aerospace/Defense Sensing, Simulation, and Controls, 2001, Orlando, FL, United States
Abstract
We present a high-speed compact Binary Phase Joint Transform Correlator system based on a single liquid crystal over silicon spatial light modulator. The system is capable of processing images of 320*120 pixel resolution at frame rates currently limited to around 40 frames per second by the choice of camera within the system. The system is presented in the context of an image comparator system in a fighter aircraft cockpit, which is used to track the view of the pilot. This is achieved by using a helmet-mounted camera to provide the input scenes and some of the inherent properties of the Joint Transform Correlator. Results from an experimental prototype are presented.
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Nicholas J. New and Tim D. Wilkinson "Compact-optical-correlator-based helmet tracking system", Proc. SPIE 4387, Optical Pattern Recognition XII, (20 March 2001); https://doi.org/10.1117/12.421151
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KEYWORDS
Cameras
Optical correlators
Joint transforms
Binary data
Imaging systems
Fourier transforms
Heads up displays
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