[MINC-users] dcm2mnc of dynamic PET files

[Olivier Rousset]

Dear Bert,
Thanks for the mail; I am attaching some sample data from that study, hoping you can figure out what is going on with the DICOM files.Thanks a lot and talk later,
- Olivier
Olivier G. Rousset, Ph.D. Johns Hopkins Medical Institutions Radiology Department JHOC 3243 601 N. Caroline Str. Baltimore, MD 21287 U.S.A. tel. +1-410-955-2900 fax +1-410-955-0696 e-mail: pvcorrection at yahoo.com 

    On Tuesday, February 26, 2019, 1:29:37 PM EST, Robert D. Vincent <bert at phalarope.com> wrote:  
 
 Hi Olivier,

It's common for the DICOM to contain useless, hidden, or missing
information for the time dimension, and dcm2mnc won't fix all such issues.

If you can share the sequence, or at least some data from it, I might be
able to make a diagnosis.

    -bert

On Mon, Feb 25, 2019 at 3:58 PM Olivier Rousset <pvcorrection at yahoo.com>
wrote:

> Dear fellow MINC users,
> I am having some issues with dcm2mnc on dynamic PET data (1155 DICOM files
> = 35 slices x 33 time-points):
>
>  mincinfo 041_003_20131122_080151_0_pet.mnc
>
> file: 041_003_20131122_080151_0_pet.mnc
>
> image: signed__ short -32768 to 32767
>
> image dimensions: zspace yspace xspace
>
>    dimension name        length        step        start
>
>    --------------        ------        ----        -----
>
>    zspace                  1155        4.25            0
>
>    yspace                    128          -2          128
>
>    xspace                    128          -2          128
>
> So it looks like the program mixes up time-frames for slices, for lack of
> better words.I have tried all options with dcm2mnc to no avail.
>  I am using the latest version of MINC tools for Mac OS High-Sierra
>
> dcm2mnc -version
>
> program: 2.3.01 built Aug 28 2018 22:43:28
>
> libminc: 2.4.03
>
> netcdf : 4.5.0 of Aug 28 2018 22:34:44 $
>
> HDF5  : 1.8.20
>
> Thank you for your insight and best wishes,
> - Olivier
> Olivier G. Rousset, Ph.D. Johns Hopkins Medical Institutions Radiology
> Department JHOC 3243 601 N. Caroline Str. Baltimore, MD 21287 U.S.A. tel.
> +1-410-955-2900 fax +1-410-955-0696 e-mail: pvcorrection at yahoo.com
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