Error propagation in quantitative biplane cineroentgenography

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Abstract
The propagation of errors in quantitative biplane cineroentgenography was investigated to determine which variables were the most critical. The analysis was carried out both for the propagation of root-mean-square errors and for errors as derived by a Taylor expansion of the reconstruction equations. The reconstruction was most sensitive to the measured values of the coordinates, as opposed to the parameters of the physical system. Decreasing the error in 1 parameter to 0 did not significantly affect the accuracy of the reconstruction; it was more efficient to reduce the errors for all of the parameters simultaneously.