Re: [Freesurfer] MRI image quality metrics

2023-03-06 Thread Douglas N. Greve
urfer support list *Subject:* Re: [Freesurfer] MRI image quality metrics Hi, The following is taken from *MailScanner has detected a possible fraud attempt from "secure-web.cisco.com" claiming

Re: [Freesurfer] MRI image quality metrics

2023-02-17 Thread fsbuild
sity.Best,AvnishFrom: freesurfer-boun...@nmr.mgh.harvard.edu <freesurfer-boun...@nmr.mgh.harvard.edu> on behalf of Huang, Yujing <yhuan...@mgh.harvard.edu>Sent: Tuesday, February 7, 2023 9:09 AMTo: Freesurfer support list <freesurfer@nmr.mgh.harvard.edu>Subject: Re: [Frees

Re: [Freesurfer] MRI image quality metrics

2023-02-17 Thread MANSON ERIC NAAB
For SNR, you'll have to calculate them as: >>>> 1. >>>> >>>> Run the recon-all pipeline to process your MRI data. >>>> 2. >>>> >>>> Use the mri_binarize tool to create a binary mask of the R

Re: [Freesurfer] MRI image quality metrics

2023-02-11 Thread John Anderson
>>> Use the mri_segstats tool to calculate the mean and standard >>> deviation of the intensity values within the ROI. >>> 4. >>> >>> Then your SNR = mean_intensity/std_of_intensity. >>> >>> >>> Best, >>

Re: [Freesurfer] MRI image quality metrics

2023-02-10 Thread MANSON ERIC NAAB
t; >> Then your SNR = mean_intensity/std_of_intensity. >> >> >> Best, >> >> Avnish >> -- >> *From:* freesurfer-boun...@nmr.mgh.harvard.edu < >> freesurfer-boun...@nmr.mgh.harvard.edu> on behalf of Huang, Y

Re: [Freesurfer] MRI image quality metrics

2023-02-09 Thread John Anderson
t, > > Avnish > -- > *From:* freesurfer-boun...@nmr.mgh.harvard.edu < > freesurfer-boun...@nmr.mgh.harvard.edu> on behalf of Huang, Yujing < > yhuan...@mgh.harvard.edu> > *Sent:* Tuesday, February 7, 2023 9:09 AM > *To:* Freesurfer s

Re: [Freesurfer] MRI image quality metrics

2023-02-09 Thread Kumar, Avnish
vnish From: freesurfer-boun...@nmr.mgh.harvard.edu on behalf of Huang, Yujing Sent: Tuesday, February 7, 2023 9:09 AM To: Freesurfer support list Subject: Re: [Freesurfer] MRI image quality metrics Hi, The following is taken from https://github.com/ComaRecoveryLab/Lesion_Correctio

Re: [Freesurfer] MRI image quality metrics

2023-02-07 Thread Huang, Yujing
Hi, The following is taken from https://github.com/ComaRecoveryLab/Lesion_Correction as mentioned in this paper https://www.sciencedirect.com/science/article/pii/S2215016120302144 “ Qualitative and Quantitative Assessment of MRI Data SNR: We calculated SNR for each subject using the “wm-anat-