Is there a way to avoid repetitive calculating about OpenMEEG

TheGala · March 27, 2022, 2:30pm

Hello Everyone!
Recently, I analysed different patients' scalp eeg in Brainstorm and used same ICBM152 imaging template. When I conducted Souce Analysis, however, I need Compute head model by OpenMEEG everytime. You know, it is always time consuming.
So, I want to know, is there any way to avoid repetitive calculating in this step. I want to use other patient's OpenMEEG result which was coming from same ICBM152 template, but I don't know how to do this.
Anyone can help me？

Raymundo.Cassani · March 27, 2022, 11:54pm

Hi,
You can copy a head model file () to another subject just like any other file:
Right-click > File > Copy / Paste, or the keyboard shortcuts Ctrl+C / Ctrl+V.

This should be done if and only if you are using the same anatomy and the same sensor positions.

Francois · March 28, 2022, 10:27am

You can also copy one OpenMEEG head model to all the other folders and subjects with a single click:
right-click on the head model > Copy to other folders/subjects.

If you want to do this programmatically, the function to use is db_set_headmodel.m:

github.com

brainstorm-tools/brainstorm3/blob/master/toolbox/db/db_set_headmodel.m

function OutputFiles = db_set_headmodel(HeadModelFile, Target)
% DB_SET_HEADMODEL: Copy a head model node to other studies
%
% USAGE:  OutputFiles = db_set_headmodel(HeadModelFile, iDestStudies)   : Apply to the target studies
%         OutputFiles = db_set_headmodel(HeadModelFile, 'AllConditions'): Apply to all the conditons in the same subject
%         OutputFiles = db_set_headmodel(HeadModelFile, 'AllSubjects')  : Apply to all the conditons in all the subjects

% @=============================================================================
% This function is part of the Brainstorm software:
% https://neuroimage.usc.edu/brainstorm
% 
% Copyright (c) University of Southern California & McGill University
% This software is distributed under the terms of the GNU General Public License
% as published by the Free Software Foundation. Further details on the GPLv3
% license can be found at http://www.gnu.org/copyleft/gpl.html.
% 
% FOR RESEARCH PURPOSES ONLY. THE SOFTWARE IS PROVIDED "AS IS," AND THE
% UNIVERSITY OF SOUTHERN CALIFORNIA AND ITS COLLABORATORS DO NOT MAKE ANY
% WARRANTY, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTIES OF
% MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, NOR DO THEY ASSUME ANY

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TheGala · May 16, 2022, 5:10pm

Many Thanks!