[Mne_analysis] ICA, hyperbolic tangent (tanh) and component filtering

Alexandre Gramfort alexandre.gramfort at inria.fr
Thu Apr 16 14:55:17 EDT 2020
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hi,

see fit_params in ICA object. With FastICA you can change the non-linearity
as supported by
https://scikit-learn.org/stable/modules/generated/sklearn.decomposition.FastICA.html

HTH
Alex


On Thu, Apr 16, 2020 at 8:10 PM Francesco Mattioli <francesco.mttl at gmail.com>
wrote:

>         External Email - Use Caution
>
> Dear colleagues,
> I'm working on an* independent component analysis (ICA). *
> I have two problems I can't solve on my own.
>
>    1. Is it possible to implement a *custom G function within ICA*? In
>    this case I would like to implement a *hyperbolic tangent (tanh)*.
>    2. Is it possible to* filter specific ICA components*? I would like to
>    pass some specific components (e.g. "ICA001") inside a notch filter and
>    then reconstruct the signal with the filtered components.
>
> Thanks in advance for your time.
> Greetings,
> Francesco Mattioli
>
> I'm trying to work without distractions. If I do not respond immediately,
> drink a cup of tea and be patient. Great ideas need deep work!
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