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Thanks! On Fri, Feb 24, 2012 at 11:30 AM, Christian Gaser < [log in to unmask]> wrote: > Dear Ochoa, > > On Sat, 18 Feb 2012 14:57:07 -0500, John Fredy <[log in to unmask]> > wrote: > > >Dear Christian, > > > >Which characteritics, resolution, number of slices, etc, must have the T1 > >and FLAIR images? > > For T1-images the same prequisites apply as for the standard VBM: in-plane > resolution 1mm, slice thickness <1.5mm (preferable 1mm), good > contrast-to-noise ration. > The additional FLAIR sequence is only used to detect the lesions. Thus, a > lower spatial resolution might also work, but will diminish your accuracy. > Again, in-plane resolution will have more impact... > > Regards, > > Christian > > > ____________________________________________________________________________ > > Christian Gaser, Ph.D. > Departments of Psychiatry and Neurology > Friedrich-Schiller-University of Jena > Jahnstrasse 3, D-07743 Jena, Germany > Tel: ++49-3641-934752 Fax: ++49-3641-934755 > e-mail: [log in to unmask] > http://dbm.neuro.uni-jena.de > > > >Thanks > > > >John Ochoa > >Universidad de Antioquia > > > >On Mon, Feb 13, 2012 at 6:10 PM, Christian Gaser < > >[log in to unmask]> wrote: > > > >> Dear SPM users, > >> > >> we are happy to announce the first release of the Lesion Segmentation > Tool > >> (LST) for the segmentation of lesions in Multiple Sclerosis (MS) for > SPM. > >> It is able to detect T2 hyperintense lesions based on a T1 and a FLAIR > >> image. Beside the segmentation a utility function for filling lesions > in T1 > >> images is implemented. Even though it is still under construction, we > hope > >> that the tool will be able to contribute to current MS research. The > >> toolbox was developed, see Schmidt et al. (2012), by a coorperation of > the > >> following organizations: Morphometry Group, Department of Neurology, > >> Technische Universit�t M�nchen (TUM), Munich, Department of Statistics, > >> Ludwig-Maximilians-University, Munich, Germany, and Structural Brain > >> Mapping Group, Departments of Neurology and Psychiatry, > >> Friedrich-Schiller-University, Jena, Germany. The reason for its > >> development was the need for an implemented open source tool for the > >> segmentation of lesions MS. > >> > >> At this point in time, only a lesion growth algorithm is implemented, > see > >> Schmidt et al. (2012). We may include further lesion segmentation > >> algorithms and other utility functions to this toolbox in the future. > >> > >> Plese note that for using the LST toolbox the installation of the VBM8 > >> toolbox is necessary: > >> > >> http://dbm.neuro.uni-jena.de/vbm8 > >> > >> The paper can be downloaded at: > >> http://dbm.neuro.uni-jena.de/pdf-files/Schmidt-NI11.pdf > >> > >> > >> Regards, > >> > >> Christian Gaser (on behalf of the authors) > >> > > > >