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12 June 1996 High-fidelity infrared scene simulation at Georgia Tech
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The Georgia Tech Research Institute has for more than fifteen years developed and used digital scene models for IR simulation applications. Initially focusing on synthetic scenes of small extent but very high resolution (less than one meter), more recently emphasis has shifted to larger scenes derived from measured data sources with resolution at one meter or slightly greater. One reason for the shift in emphasis has been the emergence of the GTSIMS simulation environment, in which digital IR seeker and missile models and models of other EO/IR sensor systems used in tactical missile engagement scenarios require larger scene extents (typically three to ten kilometers on a side) because of their potential viewing geometries and fields of view. In GTSIMS these sensor and missile models are integrated in a unified software system with the IR scene models and the image rendering software that has been developed along with them. The GTSIMS missile engagement capabilities, including many aspects of scene configuration and signature prediction, are tied together through a graphical user interface called XGTSIMS. This paper will discuss recent IR scene models developed for GTSIMS, from the methodologies used to create the data sets behind the models to the use of these models in GTSIMS via XGTSIMS, then will proceed to discuss current and planned efforts toward real-time image generation of large, complex scenes for IR simulation purposes.
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Albert D. Sheffer Jr., J. Michael Cathcart, and Nickolas L. Faust "High-fidelity infrared scene simulation at Georgia Tech", Proc. SPIE 2740, High-Fidelity Simulation for Training, Test Support, Mission Rehearsal, and Civilian Applications, (12 June 1996);

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