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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