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Figure 4
(a) Number of frames needed to achieve a 10% r.m.s. accuracy of contrast determination given Npixel = 64 × 64. (b) Extracted contrast values from the three algorithms (LSF, GG and PPC) versus the real contrasts at a fixed count rate [\bar{k} = 0.01] photons per pixel. The gray dashed line indicates the correct solution. The slopes for the three fitted lines for the extracted contrasts using LSF, GG and PPC are 1.2 ± 0.1, 0.93 ± 0.09 and 0.72 ± 0.07, respectively.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 27| Part 4| July 2020| Pages 999-1007
https://doi.org/10.1107/S1600577520006773
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