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Figure 1
(a) Converged reference images for the runs with a mixture of Gaussians (top row) and t-distributions with six degrees of freedom (bottom row) for test sets containing outliers of increasing intensity. A value of zero for the outlier intensity is used to indicate the original test set without outliers. (b) Converged estimates for the standard deviation in the noise (σ) for the runs with a Gaussian (black) or a t-mixture (grey). (b) Average and standard-deviation values for the converged estimates for uoldikφ at maximal τoldikφ of the 50 outliers (black) and the remaining 950 images (grey) upon convergence for the runs with a t-mixture.

Journal logoBIOLOGICAL
CRYSTALLOGRAPHY
ISSN: 1399-0047
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