PET/CT viewer (was: Problem to save as DICOM with Tudor dicom tools)

[Daniel Hornung]

On Dienstag, 16. August 2016 10:59:04 CEST Salim Kanoun wrote:

> Hi all,
>
> I just take the opportunity to say that we have recently made a DICOM
> writer service in our PET/CT viewer project (project lead by Ilan Tal) see
> http://petctviewer.org/index.php/feature/dicom-writing
>
> We have designed it to re-write in DICOM modified PET and CT series. We
> havn't tested other input data yet but let us know if you find issues in
> Dicom writing.
>
> Best regards,
>
> Salim

Hi,

I tried out the PET/CT viewer plugin, but found no way to import any other
files than those which are DICOM already.  For normal tiff stacks (what I
need), the save dialog (after clicking on "myDicom"), just says "Can't save
data" and the Save button is inactive.

Oh, and I get a lot of these:
> java.lang.NullPointerException
>
> at java.util.Calendar.setTime(Calendar.java:1075)
> at java.text.SimpleDateFormat.format(SimpleDateFormat.java:876)
> at java.text.SimpleDateFormat.format(SimpleDateFormat.java:869)
> at java.text.DateFormat.format(DateFormat.java:316)
> at
> ReadCdStudies$ColorDateRenderer.getTableCellRendererComponent(ReadCdStudie
> s.java:136)

Regards,
Daniel

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Max-Planck-Institute for Dynamics and Self-Organization
Research Group Biomedical Physics

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D-37077 Goettingen
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[Salim Kanoun]

Dear Daniel,

Your problem is more complicated than expected.
There are a lot of rules to write DICOM files with many mandatory DICOM
tags, it seems that your file miss even the date of image acquisition.

I'm not sure it is possible to convert Tiff => DICOM, maybe as a secondary
capture but you will have nothing more the original image with a .dcm
extension and the image will have no connection to any quantitative value
(just an image in color scale).

Going to DICOM to Tiff is probably possible because Tiff is really flexible
to store image with various additional data.
But DICOM is much more restrictive and missing a mandatory tag will be a
DICOM violation.

I never tried Tudor writing function, however if your data don't have the
proposer DICOM tag structure I don't see any way to make something more
than a secondary capture that will be just a "jpeg" image like .

Best regards,

Salim



2016-08-16 14:34 GMT+02:00 Daniel Hornung <[hidden email]>:

> On Dienstag, 16. August 2016 10:59:04 CEST Salim Kanoun wrote:
> > Hi all,
> >
> > I just take the opportunity to say that we have recently made a DICOM
> > writer service in our PET/CT viewer project (project lead by Ilan Tal)
> see
> > http://petctviewer.org/index.php/feature/dicom-writing
> >
> > We have designed it to re-write in DICOM modified PET and CT series. We
> > havn't tested other input data yet but let us know if you find issues in
> > Dicom writing.
> >
> > Best regards,
> >
> > Salim
>
> Hi,
>
> I tried out the PET/CT viewer plugin, but found no way to import any other
> files than those which are DICOM already.  For normal tiff stacks (what I
> need), the save dialog (after clicking on "myDicom"), just says "Can't save
> data" and the Save button is inactive.
>
> Oh, and I get a lot of these:
> > java.lang.NullPointerException
> >
> >       at java.util.Calendar.setTime(Calendar.java:1075)
> >       at java.text.SimpleDateFormat.format(SimpleDateFormat.java:876)
> >       at java.text.SimpleDateFormat.format(SimpleDateFormat.java:869)
> >       at java.text.DateFormat.format(DateFormat.java:316)
> >       at
> >       ReadCdStudies$ColorDateRenderer.getTableCellRendererComponent(
> ReadCdStudie
> >       s.java:136)
>
> Regards,
> Daniel
>
> --
> Max-Planck-Institute for Dynamics and Self-Organization
> Research Group Biomedical Physics
>
> Am Fassberg 17
> D-37077 Goettingen
> ([phone]
>
> You can obtain my public key 0xF197B128 from all keyservers, e.g.
> pgp.mit.edu
> Fingerprint: 9698 BDD4 71CC 1274 B7E2  2049 1EDD 012D F197 B128
>
> --
> ImageJ mailing list: http://imagej.nih.gov/ij/list.html
>

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