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On Fri, Aug 06, 2010 at 10:42:10PM +0100, Jeff Eriksen wrote: > Instead of manually drawing ROIs, I had hoped to use some type of > region growing tool. For instance, I would like to be able to click on > a voxel and then automatically grow or build a region around it of > similar voxels. Does FSL have any such tool, or general purpose > erosion and dilation tools available? I have looked through a lot of > the documentation and cannot find anything. > > If not, can someone recommend a (open source) compatible application > that might have such tools? I know BrainVoyager does (but is not > free), and I am going to check FreeSurfer. You may want to use ITKSNAP -- available in Debian, of course. http://www.itksnap.org Michael -- GPG key: 1024D/3144BE0F Michael Hanke http://mih.voxindeserto.de