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. 2014 May 27;14(6):9451–9470. doi: 10.3390/s140609451

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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 15. — Representation coefficient of background block decomposed in cloud image on discriminative over-complete dictionary. (a) Sparse coefficient on background dictionary, (b) Sparse coefficient on target dictionary.