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. 2014 Mar 19;9(3):e92281. doi: 10.1371/journal.pone.0092281

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© 2014 Dalla Costa et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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The drawing in the middle (b) shows the position of the two HD cameras. Pictures on the left (a) and on the right (c) show frames grabbed from Cam1 and Cam2 respectively.