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\bibitem{PatriciaL.Suarez_etal2019} Patricia L. Suarez, Angel D. Sappa, \& Boris X. Vintimilla. (2019). Image patch similarity through a meta-learning metric based approach. In \textit{15th International Conference on Signal Image Technology \& Internet based Systems (SITIS 2019); Sorrento, Italia} (pp. 511--517).

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