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Figure 1
Lit-pixel threshold determination for a typical recorded run. The first 287 patterns from the run were manually classified into hits and misses. Those patterns were then sorted, by the number of lit pixels, into 20 bins. The hit fraction for each bin is shown along with a fitted Gauss-error function. The point at which the fit reaches a hit fraction of 0.5 determines the lit-pixel threshold used for automatic hit finding in the Cheetah software package (Barty et al., 2014BB2).

IUCrJ
Volume 5| Part 5| September 2018| Pages 531-541
ISSN: 2052-2525
https://doi.org/10.1107/S2052252518010047