BCI2000 online processing algorithm

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ojubran
Posts: 4
Joined: 05 Mar 2013, 05:35

BCI2000 online processing algorithm

Post by ojubran » 17 Apr 2013, 09:38

Dear all

I am trying to replicate the mu rythm tutorial but with using a matlab algorithm for analysis, I was just wondering how does BCI2000 does the frequency analysis online? does it keep a certain buffer? and can I just replicate it in matlab using fft?

best,
Omar

gschalk
Posts: 615
Joined: 28 Jan 2003, 12:37

Re: BCI2000 online processing algorithm

Post by gschalk » 18 Apr 2013, 16:32

BCI2000 uses the Maximum Entropy Method (MEM) to calculate spectral estimations. BCI2000 comes with a mem.mex file that you can use in Matlab to perform the same analysis done online. This is used by OfflineAnalysis, for example. Check out the BCI2000 documentation for details.

Gerv

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