<div dir="ltr">Dear Reza,<div><br></div><div>Ok CSP stands for 'Common Spatial Pattern'. I've never used it but it sound interesting.</div><div><a href="https://en.wikipedia.org/wiki/Common_spatial_pattern">https://en.wikipedia.org/wiki/Common_spatial_pattern</a><br></div><div><br></div><div><span style="color:rgb(80,0,80)">> Is this done just because of what comes next, or is there any other description for it? I mean are there any explanations for what a composite covariance matrix shows?</span><br></div><div class="gmail_extra"><br></div><div class="gmail_extra">If I understand it correctly, I guess these covariance matrices represent scalp topographies (i.e. spatial filters) of the additive subcomponents.</div><div class="gmail_extra"><br></div><div class="gmail_extra">Makoto</div><div class="gmail_extra"><br></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, May 9, 2016 at 8:08 PM, Makoto Miyakoshi <span dir="ltr"><<a href="mailto:mmiyakoshi@ucsd.edu" target="_blank">mmiyakoshi@ucsd.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr">Dear Reza,<div><br></div><div>What is CSP? Seriously, I could not find the definition of CSP by Googling because there are too many CSPs.</div><div><br></div><div>Makoto</div><div class="gmail_extra"><br></div><div class="gmail_extra"><br></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div class="h5">On Tue, May 3, 2016 at 10:04 PM, Seyed Mohammad Reza Shahshahni <span dir="ltr"><<a href="mailto:smr.shahshahani@gmail.com" target="_blank">smr.shahshahani@gmail.com</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div><div class="h5"><div dir="ltr"><div><div><div><div><div><div>Dear all members<br><br></div>I have a non-EEGLAB issue, a theoretical one.<br><br></div>Since the very first paper regarding CSP, everybody has mentioned almost the same theoretical description of the computation process of CSP's. But I have a question I have not been able to get answers in none of those papers.<br><br></div>In the process it said that we should make a composite covariance matrix out of the two covariance matrices related to two different classes.<br><br></div>Is this done just because of what comes next, or is there any other description for it? I mean are there any explanations for what a composite covariance matrix shows?<br><br></div>Thanks.<br></div>Reza M. Shahshahani<br><div><div><div><br><br></div></div></div></div>
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</blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr">Makoto Miyakoshi<br>Swartz Center for Computational Neuroscience<br>Institute for Neural Computation, University of California San Diego<br></div></div>
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