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Mathematical Problems in Engineering
Volume 2018, Article ID 1730149, 15 pages
https://doi.org/10.1155/2018/1730149
Research Article

Detecting Activation in fMRI Data: An Approach Based on Sparse Representation of BOLD Signal

1Department of Mathematics and Physics, Bioengineering Group, UNET, San Cristóbal, Venezuela
2Research Center for Biomedical Engineering and Telemedicine, Electrical Engineering Department, ULA, Mérida, Venezuela
3Computer Science Department, Universidad de Cuenca, Cuenca, Ecuador

Correspondence should be addressed to Blanca Guillen; moc.liamg@nelliugalb

Received 29 August 2017; Accepted 3 January 2018; Published 15 February 2018

Academic Editor: Roberto Fedele

Copyright © 2018 Blanca Guillen et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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