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EEG data analysis with stacked differentiable neural computers
Authors
CN Fang
CT Lin
+5 more
Y Ming
D Pelusi
M Prasad
YK Wang
D Wu
Publication date
1 January 2018
Publisher
'Springer Science and Business Media LLC'
Doi
Cite
Abstract
© 2018, Springer-Verlag London Ltd., part of Springer Nature. Differentiable neural computer (DNC) has demonstrated remarkable capabilities in solving complex problems. In this paper, we propose to stack an enhanced version of differentiable neural computer together to extend its learning capabilities. Firstly, we give an intuitive interpretation of DNC to explain the architectural essence and demonstrate the stacking feasibility by contrasting it with the conventional recurrent neural network. Secondly, the architecture of stacked DNCs is proposed and modified for electroencephalogram (EEG) data analysis. We substitute the original Long Short-Term Memory network controller by a recurrent convolutional network controller and adjust the memory accessing structures for processing EEG topographic data. Thirdly, the practicability of our proposed model is verified by an open-sourced EEG dataset with the highest average accuracy achieved; then after fine-tuning the parameters, we show the minimal mean error obtained on a proprietary EEG dataset. Finally, by analyzing the behavioral characteristics of the trained stacked DNCs model, we highlight the suitableness and potential of utilizing stacked DNCs in EEG signal processing
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OPUS - University of Technology Sydney
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Last time updated on 18/10/2019
Archivio della Ricerca - Università degli Studi di Teramo
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Last time updated on 06/01/2019