Re: [Freesurfer] Path Setup of FREESURFER_HOME

2011-03-07 Thread Andrew Jahn
Hello, I just downloaded and installed Freesurfer onto a new computer, and after going through all the steps outlined on the download and installation page, I get the following error when trying to run recon-all: sudo recon-all -s bert -all FREESURFER_HOME: Undefined variable. However, I have s

[Freesurfer] qdec problems

2011-03-07 Thread 汪贵宏
Hi,all: I have several problems about the qdec in freesurfer 5.0. Firstly,can somebody explain the function of the buttons in the qdec's third step (display),such as Set using FDR in the False Discovery Rate ,Monte Carlo Null-Z simulation.If I just let these buttons as the default ,is it ri

Re: [Freesurfer] Resampling Question

2011-03-07 Thread Jeff Sadino
One more thing that might be useful: for my current dataset, everything was processed in FreeSurfer 4.3.1. Thank you, Jeff On Mon, Mar 7, 2011 at 12:41 PM, Jeff Sadino wrote: > Hello, > > I have a question about the effects of FreeSurfer's resampling algorithms. > The way our pipeline goes is t

[Freesurfer] Resampling Question

2011-03-07 Thread Jeff Sadino
Hello, I have a question about the effects of FreeSurfer's resampling algorithms. The way our pipeline goes is that we convert our DICOM images into .nii.gz format using FSL tools. One of the commands we use is FSLCPGEOM. I was never sure why, but our script would always break without it. Look

Re: [Freesurfer] volumetry longitudinal comparison...

2011-03-07 Thread Martin Reuter
Hi Gonzalo, the ii) and iii) produce directories that look like this: .long. and .long. These two directories are full subject-directories for time point 1 and time point 2. So if you are familiar with the cross sectional freesurfer subjects directory structure, you can find all kinds of informati

Re: [Freesurfer] way to binarize MGH file

2011-03-07 Thread Bruce Fischl
yes, mri_binarize can work on .mgz files. cheers Bruce On Mon, 7 Mar 2011, Ritobrato Datta wrote: > Hi All, > > I am looking for a way to binarize MGH files. > > I took a mask I made in volumetric space to surface space, and I want to > binarize it so it doesnt contain decimal values. What is t

Re: [Freesurfer] volumetry longitudinal comparison...

2011-03-07 Thread Gonzalo Rojas Costa
Hi Martin: I processed a patient (with two MRIs in different dates) using the instructions in the web page that you told me, but I didn't understand very well the results that I got... Which values I got in aseg.stats with: i) recon-all -base -tp -tp -all ii) recon-all -long -all

[Freesurfer] way to binarize MGH file

2011-03-07 Thread Ritobrato Datta
Hi All, I am looking for a way to binarize MGH files. I took a mask I made in volumetric space to surface space, and I want to binarize it so it doesnt contain decimal values. What is the command? Will mri_binarize work on mgh files ? I need to manipulate MGH files, with the same output type.

Re: [Freesurfer] FreeSurfer ver 4.0 vs 5.0

2011-03-07 Thread Nick Schmansky
Helen, the Release Notes page describes the differences between versions: https://surfer.nmr.mgh.harvard.edu/fswiki/ReleaseNotes but more importantly, we will be releasing a new version, v5.1, within the next couple weeks. primarily the big difference between 5.1 and 4.5 are improvements to the

[Freesurfer] FreeSurfer ver 4.0 vs 5.0

2011-03-07 Thread Keefe, Helen L
Hello Bruce and All, Here are some new questions to an ongoing issue. 1. What are advantages of version 5.0 over the former version? I have processed 82 scans so far in the former version and am debating whether to re-run them all in 5.0. We will eventually have a total of 560 scans, so we