Hi Mike I agree! It's really hard to detect e.g. the tip of the nose wrapping into occipital cortex. I was thinking more of the tools that generate pages of snapshots so you can quickly scan through datasets to find dramatic failures
cheers Bruce On Mon, 23 Nov 2015, Harms, Michael wrote: > > In my experience, none of the quantitative "SNR/CNR" metrics available > through various FS tools (some of which may be part of the QATools) > replace the need to manually inspect the results. Some truly awful data > may show up as "outliers", but you can't count on those values to flag all > the data with problems. > > cheers, > -MH > > -- > Michael Harms, Ph.D. > > ----------------------------------------------------------- > Conte Center for the Neuroscience of Mental Disorders > Washington University School of Medicine > Department of Psychiatry, Box 8134 > 660 South Euclid Ave.Tel: 314-747-6173 > St. Louis, MO 63110Email: mha...@wustl.edu > > > > > On 11/23/15 11:16 AM, "angela.fav...@unipd.it" <angela.fav...@unipd.it> > wrote: > > Hi all, > > I am starting to use QAtools in Freesurfer. > The scripts are working well, but I have two problems: > > 1. the interpretation of output is the first. Are there ranges of > normality for SNR and intensity? Could you please give me some reference > or link about how to interpret these data? Or do I only need to look at > outliers (or something similar)? My values are in the range between 19 and > 25 (and the subject with 19 have problems at visual inspection). > The script also outputs 'no outlier' in all my subjects. Which type of > outliers is it referring to? > > 2. I have also problems in getting snapshots, but I think this is due to my > poor experience with setting paths of ImageMagick. I am using a MAC OSX > 10.6.8 and I used (tcsh) > setenv MAGICK_HOME /Applications/ImageMagick-6.9.2/bin > but probably this is not enough (any suggestion is greatly apreciated). > > Thank you for any help you can give me > > Best wishes > > Angela > > > > > _______________________________________________ > 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. > > > > ________________________________ > The materials in this message are private and may contain Protected > Healthcare Information or other information of a sensitive nature. If you are > not the intended recipient, be advised that any unauthorized use, disclosure, > copying or the taking of any action in reliance on the contents of this > information is strictly prohibited. If you have received this email in error, > please immediately notify the sender via telephone or return mail. > > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > > _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
