Two-CCD binocular stereo vision systems using pinhole model are attracting research interest in many important fields such as 3-D coordinate measurement. However, new system modeling is difficult because of lack of fundamental imaging formation theory. In this paper, in order to measure a 3-D surface, we demonstrate how a binocular stereo vision system can be modeled by the proposed skew ray tracing method to study the geometric relations between the binocular camera images and the 3-D surface. In order to investigate the overall accuracy and resolution of this system, the influence of infinitesimal camera reading errors on measured coordinate errors is determined by sensitivity analysis. Experimental verification demonstrates that the performance of the proposed system is excellent.
A New Model of Binocular Stereo Coordinate Measurement System Based on Skew Ray Tracing
Contributed by the Dynamic Systems, Measurement and Control Division of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL OF DYNAMIC SYSTEMS, MEASUREMENT, AND CONTROL. Manuscript received by the ASME Dynamic Systems and Control Division September 25, 2001; final revision, July 17, 2003. Associate Editor: M. Goldfarb.
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Lin, P. D., and Liao, T. (April 12, 2004). "A New Model of Binocular Stereo Coordinate Measurement System Based on Skew Ray Tracing ." ASME. J. Dyn. Sys., Meas., Control. March 2004; 126(1): 102–114. https://doi.org/10.1115/1.1649975
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