Yes I found it :) Thank you for your help! Sincerely,
EK. 2012/5/4 Bruce Fischl <fis...@nmr.mgh.harvard.edu> > run: > > mri_info $SUBJECTS_DIR/$subject/mri/**orig.mgz > > and you should see that it is 1mm isotropic > > > cheers > Bruce > On Fri, 4 May 2012, EK Kim wrote: > > Thank you, but again I think that there might be no internal convert in >> my >> data from the recon-all log files. >> >> The other data set I used had records about internal convert in their >> recon-all log file representing as (1 1 1)mm but this data was not. >> >> So I worry about whether correct internal convert was preprocessed or not. >> How can I confirm the processes? >> >> Sorry for bothering you. >> Thank you in advance. >> >> 2012? 5?4?????Bruce >> Fischl<fis...@nmr.mgh.harvard.**edu<fis...@nmr.mgh.harvard.edu>>?? >> ??: >> > if you give it to recon-all it will convert it internally, so you don't >> need to convert it yourself >> > On Fri, 4 May 2012, EK Kim wrote: >> > >> >> Thank you for the answer. But I still confuse to convert the data. >> >> Does this mean is it 'not okay' to convert the anisotropic data to the >> >> isotropic? >> >> Then should I analyze the original one? >> >> >> >> 2012? 5?4?????Bruce >> >> Fischl<fis...@nmr.mgh.harvard.**edu<fis...@nmr.mgh.harvard.edu>>?? >> ??: >> >> > Hi EK >> >> > >> >> > it's an empirical question. That is *very* anisotropic, so I suspect >> that >> >> there will be unavoidable biases in things like thickness maps which >> will >> be >> >> more accurate in regions in which the folds happen to place the cortex >> in >> >> the high resolution plane. That said, if the CNR is good enough it will >> >> probably generate reasonable surfaces. >> >> > >> >> > cheers >> >> > Bruce >> >> > On Fri, 4 May 2012, EK Kim wrote: >> >> > >> >> >> Dear freesurfers, >> >> >> >> >> >> I wondered is it okay to analyze isotropic data which was converted >> to >> >> the >> >> >> anisotropic one. >> >> >> >> >> >> The original data has (0.390625, 0.390625, 1.5) mm size and (512, >> 512, >> >> 104) >> >> >> voxels. >> >> >> It obtained from 3T scanner. >> >> >> >> >> >> I know the Freesurfer recommend isotropic data (1,1,1)mm. >> >> >> Does it have any problem to use the data I just transformed? >> >> >> >> >> >> To do this, I rescaled the images and did bilinear interpolation to >> >> create >> >> >> an isotropic 8-bit version of images. >> >> >> >> >> >> >> >> >> Thanks for any help. >> >> >> >> >> >> EK >> >> >> >> >> >> >> >> >> >> >> > >> >> > >> >> > 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<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. >> >> > >> > >> >
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