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. 2014 May 20;14(5):8895–8925. doi: 10.3390/s140508895

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© 2014 by the authors; licensee MDPI, Basel, Switzerland.

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Figure 7. — Visualisation models, ordered from lower to higher protection. These images have been obtained by applying the different models to the same video sequence.