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. 2018 Mar 5;13(3):e0192485. doi: 10.1371/journal.pone.0192485

Fig 7. Box-plot of relative differences for the Planimator app and other devices used in the comparison.

Fig 7

Smartphone, Compact and D-SLR cameras were used for taking the pictures of wound shapes and the area was calculated using ImageJ software based on 2-ruler calibration.