Error with cs_convert when performing MRI segmentation

[Francois]

@Francois

Is it possible to open multiple instances of Matlab and then Brainstorm and do the segmentations for multiple subjects in the same database in parallel, or will this corrupt the database somehow?

No, the temporary folder for CAT12 is in your user folder: $HOME/.brainstorm/tmp/cat12.
To execute multiple instances of CAT12 from Brainstorm, you need to run them from different users.
If you are interested in large-scale computation with CAT12, you can either script the computation from Brainstorm and let it run sequentially overnight, or execute multiple CAT12 instances directly (not through Brainstorm) in parallel and then import sequentially the CAT12 output folders as full anatomy folders into the Brainstorm database.

I recently changed the way the temporary files are handled. Now each instance of CAT12 would create a separate subfolder in the temporary folder (cat12_yymmdd_hhmmss), making it possible to have multiple sessions running simultaneously. See these sections for more information:

• https://neuroimage.usc.edu/brainstorm/Tutorials/CreateProtocol#Changing_the_temporary_folder
• https://neuroimage.usc.edu/brainstorm/Tutorials/Scripting#Temporary_files

However, running multiple instances of CAT12 in parallel is not necessarily faster:
https://neuroimage.usc.edu/brainstorm/Tutorials/Scripting#Parallel_processing