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Hi, I'm sorry but it seems that this option is not available in fslmaths, There is the option -bin but not the option -binv, Thanks for your help, 2013/4/29 Niels Bergsland <[log in to unmask]> > Hi, you can easily do this using the -binv option in fslmaths > > On Mon, Apr 29, 2013 at 3:33 PM, Amandine Pelletier > <[log in to unmask]> wrote: > > Dear FSL experts, > > > > Using LST toolbox, I have performed the assessment of white matter > hyperintensities volumes, > > > > Finally, I obtained a mask of white matter hyperintensities for each > subject in native space, > > > > Using the command line fslmeants, I have extracted the FA values in the > lesion masks, > > > > Now, I would like to extract the FA values outside the lesions (in > normal appearing white matter), > > > > I need to reverse my lesion masks > that is to say I would like to > obtain a mask with a value of 1 outside the mask and with a value of 0 > inside the mask, > > > > Does anyone can help me ? > > > > Thanks for your time and your help, > > > > Amandine > > > > -- > Niels Bergsland > Integration Director > Buffalo Neuroimaging Analysis Center > 100 High St. Buffalo NY 14203 > [log in to unmask] > (716) 859-7677 > -- Amandine PELLETIER Doctorante en Neurosciences INCIA, UMR 5287 Equipe Neurosciences Cognitives Humaines et Neuroimagerie [log in to unmask] <[log in to unmask]>