[FieldTrip] l1l2 norm inverse solver in fieldtrip?

[Robert Oostenveld]

Hi Robin,

The FieldTrip cfg.method='mne' in FT_SOURCEANALYSIS implements an L2 solver, but not an L1 solver. The actual code with more details is in fieldtrip/inverse/minimumnormestimate.,

best regards,
Robert





On 8 Feb 2013, at 13:32, Andrew R. Dykstra wrote:

> Hi Robin,
> 
> The MNE	Python package implements mixed L1/L2 norm solutions.  Not sure if something similar exists in Fieldtrip.
> 
> Cheers,
> Andy
> 
> On Feb 8, 2013 1:12 PM, "Robin" <robince at gmail.com> wrote:
> Hello,
> 
> Having got through the preprocessing I am now investigating source
> reconstruction.
> 
> The information on the web site is very useful. This tutorial page:
> http://fieldtrip.fcdonders.nl/tutorial/minimumnormestimate
> 
> Refers to Ou, W., Hamalainen, M., Golland, P., 2008, A Distributed
> Spatio-temporal EEG/MEG Inverse Solver
> 
> which looks interesting but I wondered if this method was actually
> implemented in fieldtrip (or elsewhere). When I look in
> minimumnormestimate.m this reference is not listed as one of the
> methods implemented. Is it available as a different named method?
> 
> Thanks for any help.
> 
> Robin
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