Analysis of signal and noise propagation for several imaging mechanisms

  • Rabbani M
  • Van Metter R
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Abstract

The utility of multivariate moment-generating functions for analyzing the influence of stochastic amplifying and scattering mechanisms on the transfer of signal and noise through multistage imaging systems was shown in a previous study [J. Opt. Soc. Am. A 4, 895 (1987)]. Here we extend that study to include cases in which the amplification or scattering parameters are themselves stochastic variables. Each of these cases is illustrated by a physical example drawn from the study of radiographic screen-film imaging. For stationary, photon-limited inputs, expressions for the noise power spectrum and the detective quantum efficiency are derived for each case.

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Authors

  • Majid Rabbani

  • Richard Van Metter

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