Hi Domenico can you send us the image? And what do you mean by "the sign of the image"? Is it T1-weighted? Is white matter brighter than gray matter? If so, then try running it through recon-all.
cheers Bruce On Fri, 3 Oct 2014, Domenico wrote: > Dear all, > I have a set of 3D true IR volumes acquired on a Siemens Avanto Scanner > 1.5T. > The GM/WM contrast is very good and the images look better (from a > neuroradiological point of you) than the classical 3D T1 we usually acquire. > The sign of the images (that in this sequence could be <0) could be adjusted > (for example using Matlab) so to maintain the intensity ratio between the > structures. > > Do you think I could use them for a Freesurfer analysis? Unfortunately the > subjects were acquired some time ago, before starting to use FreeSurfer and > only this 3DT1 sequence was acquired. > > Thank you, > > Kind regards, > > Domenico > > _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer The information in this e-mail is intended only for the person to whom it is addressed. If you believe this e-mail was sent to you in error and the e-mail contains patient information, please contact the Partners Compliance HelpLine at http://www.partners.org/complianceline . If the e-mail was sent to you in error but does not contain patient information, please contact the sender and properly dispose of the e-mail.
