30 May 2003 Random dot stereograms generated with ray tracing as a visualization tool for evaluating stereoscopic camera systems
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Abstract
Tools for evaluation of candidate stereoscopic camera systems, including subjective impression are invaluable during the development of the system architecture. Ray tracing has long been used to predict the performance of optical elements used in camera systems. Stray light ray tracing analysis software utilizing a Monte Carlo method for generating random rays provides ray-intercept maps for two stereoscopic camera image planes that are used to build a random dot stereogram (RDS). The visual fusion of the RDS produced by random rays traced through a model of the candidate system provides an impression of the system quality. The impact of system parameters as well as imperfections in the optical design can thus be visualized and even quantified by the observer's ability to separate objects modeled at different distances from the stereoscopic camera(s). This paper describes the technique for generating an RDS using Lambda Research Corporation's TracePro software and provides examples of system performance with and without the introduction of optical imperfections.
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Carl F. Dadson, "Random dot stereograms generated with ray tracing as a visualization tool for evaluating stereoscopic camera systems", Proc. SPIE 5006, Stereoscopic Displays and Virtual Reality Systems X, (30 May 2003); doi: 10.1117/12.473878; https://doi.org/10.1117/12.473878
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