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Fig. 2


From top to bottom, examples of histograms of for datasets UT-MR-NoFT, AT-MR-FT and AT-LR-FT. The columns correspond to different threshold levels for the selection of the frames (from left to right: no selection, 60% and 20% of the total number of frames). For each dataset and selection rate, histograms are given with () and without () a correction by a quadratic fit. The grey thin curves a in solid line represent the unselected part of the data.

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