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240 CHAPTER 11 Deep Learning Approaches to Electrophysiological
also take advantage of engineered features derived from standard signal processing
methods, like frequency and time-frequency transforms. In recent years, the interna-
tional community has shown enormous interest in DL and artificial intelligence, by
funding several programs, in the public and private sectors. It is foreseen that these
programs will favor a relevant growth of economy and national gross value added.
However, in this chapter it has been shown that DL is just a contingent development
of ML and NN techniques originally proposed decades ago. This chapter focused on
a rather limited aspect of DL, namely the processing of multivariate time-series that
is relevant for biomedical applications but also pertinent to the future development
of IoT systems. The techniques here described can support a significant leap forward
in the real-time processing of unstructured data and in clinical diagnosis. Open
problems and limitations of DL have been discussed.
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