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30 December 1998 Comparison of sampling methods for time and frequency domain signals in Monte Carlo simulations of light migration in turbid material
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Abstract
We compare two methods to evaluate the time dependence in Monte Carlo simulations of photon migration: sampling of the pulse response in time and evaluation of the transfer function at discrete points in the frequency domain. We show that these two methods differ in accuracy due to quantization and sampling errors, while the statistical error is the same for both methods. From our analysis we also derive alternative techniques to sample the time-domain pulse response with reduced quantization and sampling error.
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Markus E. Testorf, Ulf L. Oesterberg, Brian W. Pogue, and Keith D. Paulsen "Comparison of sampling methods for time and frequency domain signals in Monte Carlo simulations of light migration in turbid material", Proc. SPIE 3566, Photon Propagation in Tissues IV, (30 December 1998); https://doi.org/10.1117/12.334360
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