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Figure 3
Detection of single coalescence events in aqueous foam: original successive radiographs (a, b) and (f, g) for two foaming durations; (c, h) difference images between the two successive frames; (d, i) coalescence maps produced by the Fourier shift detection; (e, j) coalescence maps produced by the method presented here. Both difference images (c, h) contain strong motion-related artefacts, which are also partly present in (d, i), while the map (j) reflects well the underlying bubble collapse.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 19| Part 4| May 2012| Pages 483-491
doi:10.1107/S0909049512015099
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