22 April 2009 Using GPU convolutions to correct optical distortion in closed-loop real-time missile simulations
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Abstract
U.S. Army Aviation and Missile Research, Development and Engineering Center (AMRDEC) has long been a leader in in-band high fidelity scientific scene generation. Recent efforts to harness and exploit the parallel power of the Graphics Processor Unit (GPU), for both graphics and general purpose processing, have been paramount. The emergence of sophisticated image generation software packages, such as the Common Scene Generator (CSG) and the Joint Signature Image Generator (JSIG), have lead to a sharp increase in the performance of digital simulations and signal injection and projection systems in both tactical and strategic programs. One area of missile simulations that benefits from this technology is real-time modeling of optical effects, such as seeker dome distortion, glint, blurring effects, and correcting for facility misalignment and distortion. This paper discusses the on-going research of applying convolution filters to the GPU multi-pass rendering process to compensate for spatial distortion in the optical projection path for synthetic environments.
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Thomas Fronckowiak, Thomas Fronckowiak, } "Using GPU convolutions to correct optical distortion in closed-loop real-time missile simulations", Proc. SPIE 7301, Technologies for Synthetic Environments: Hardware-in-the-Loop Testing XIV, 73010C (22 April 2009); doi: 10.1117/12.818972; https://doi.org/10.1117/12.818972
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