After the publication of this work [1], we noticed in figure 2 (see Figure 1) the signal indicated as the desired output to train NF was not correctly reported in the figure. The training signal is the result of the difference between PWact and PWdes as it is explained in the text, and as it is shown in the new figure we are showing here.
NF Training scheme. Scheme used to collect the training set of NF. The training output signal of NF is the difference between PWact and PWdes and not the PWact as it was wrongly indicated in figure 2 of the original paper.
We apologize for the inconvenience that this inaccuracy in the paper might have caused to the readers.
References
Pedrocchi A, Ferrante S, De Momi E, Ferrigno G: Error mapping controller: a closed loop neuroprosthesis controlled by artificial neural networks. Journal of NeuroEngineering and Rehabilitation 2006, 3: 25. 10.1186/1743-0003-3-25
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The online version of the original article can be found at10.1186/1743-0003-3-25
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Pedrocchi, A., Ferrante, S., De Momi, E. et al. Erratum to: Error mapping controller: a closed loop neuroprosthesis controlled by artificial neural networks. J NeuroEngineering Rehabil 4, 9 (2007). https://doi.org/10.1186/1743-0003-4-9
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DOI: https://doi.org/10.1186/1743-0003-4-9