[Mristudio-users] Diffeomorph file format

[susumu mori]

Hi Mark,

In DiffeoMap, there is a button that can convert images to a byte format. I
don't have DiffeoMap in my laptop (I'm out of my office), but it is one of
those in the upper right column with a letter "B", I thought...

On Wed, Sep 21, 2016 at 5:46 PM, Mark Wagshul <Mark.Wagshul at einstein.yu.edu>
wrote:

> Hi.  I am new to using Diffeomorph and am running into a file format
> problem.  When I try to run a single channel LDDMM using one of the
> supplied templates (JHU-MNI-SS-T1), it gives me an error saying that the
> template needs to be a byte image.  I thought this was supplied by the
> Diffeomorph software so would already be in the required format.
>
>
>
> Anyone have an experience with this?
>
>
>
> Thanks,
>
>
>
> Mark
>
>
>
> ____________________
> Mark Wagshul, PhD
> Associate Professor
> Gruss Magnetic Resonance Research Center
> Albert Einstein College of Medicine
> Bronx, NY 10461
>
> Ph: 718-430-4011
>
> FAX: 718-430-3399
>
> Email: mark.wagshul at einstein.yu.edu
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> *From:* mristudio-users [mailto:mristudio-users-bounces at mristudio.org] *On
> Behalf Of *Ming Peng
> *Sent:* Wednesday, July 13, 2016 11:52 AM
> *To:* mristudio-users at mristudio.org
> *Subject:* [Mristudio-users] How to recalculate gradient table of Philips
> DICOM files with 'gradient overplus' on
>
>
>
> Hi:
>   I have a dataset of DICOM files (a directory contains lots of .dcm
> files), and these data are collected from Philips device with "gradient
> overplus" option on.
>   After googling, I found that the gradient table of these data should be
> recalculated if the "gradient overplus" option is on for Philips devices.
> And I found several tools:
>   1 - DTI_gradient_table_creator
>     http://godzilla.kennedykrieger.org/~jfarrell/
> software_web.htm#DTI_gradient_table_creator
>
>      This tool can only parse data in PAR/REC format, however my data are
> thousands of separate .dcm files from a single patient.
>
>
>   2 - DTI gradient table
>       http://jp.mathworks.com/matlabcentral/fileexchange/
> 41876-dti-gradient-table/content/dti_grad_table.m
>
>      It only works for a multi-frame dcm file.
>
>    My questions is:
>       a - How can i recalculate the gradient table from these .dcm files ?
>       b - Is there any other tools suited for this situation ?
>
>    Thanks
>
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