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The segmentation algorithm in SPM5 should also do a reasonable job - providing the inhomogeneity does not cause any problems for the initial affine registration. If it does cause problems, then I would suggest doing a manual reorienting of the data so that it is very close to the tissue probability maps, and disabling the initial affine registration. Best regards, -John -----Original Message----- From: SPM (Statistical Parametric Mapping) [mailto:[log in to unmask]] On Behalf Of Veronica S Smith Sent: Thursday, January 18, 2007 1:40 AM To: [log in to unmask] Subject: Re: [SPM] inhomogeneity correction I use the FSL fast algorithm. Others in our lab use N3. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Veronica S. Smith Research Scientist/Engineer phone: 206-616-7343 fax: 206-616-7791 University of Washington Neuroimaging Research Group Box 354940 Seattle, WA 98105 Privileged, confidential or patient identifiable information may be contained in this message. This information is meant only for the use of the intended recipients. If you are not the intended recipient, or if the message has been addressed to you in error, do not read, disclose, reproduce, distribute, disseminate or otherwise use this transmission. Instead, please notify the sender by reply e-mail, and then destroy all copies of the message and any attachments. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ On Wed, 17 Jan 2007, Manish Dalwani wrote: > Dear SPM'ers, > > Does anyone know about a good inhomogeniety correction tool (for high field MRI) which could be applied for/to VBM studies? > > Thanks, > Manish Dalwani > PRA > Dept. of Psychiatry > UCHSC > > --------------------------------- > TV dinner still cooling? > Check out "Tonight's Picks" on Yahoo! TV.