DICOM @ OFFIS

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It is currently Sat, 2017-11-25, 08:37

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 Forum: DCMTK - General   Topic: How to insert a Sequence with undefined length ?

Posted: Wed, 2017-11-22, 11:22 

Replies: 3
Views: 18


Hi,

it's not possible with DCMTK to write mixed files (to my knowledge :roll:), since we don't think this makes much sense (though it's valid DICOM). So we only allow to write out all sequences and items with either defined or undefined length, consistently.

Best regards,
Michael

 Forum: DCMTK - General   Topic: How to insert a Sequence with undefined length ?

Posted: Tue, 2017-11-21, 18:23 

Replies: 3
Views: 18


Hi, you don't have to care about length or undefined length when adding a sequence or item. Once you want to write the dataset to network or a file, you can use an option to specify whether you want to have sequences written with either ⋅  With explicit length (applied to all sequences/ite...

 Forum: DCMTK - General   Topic: dcmtk movescu from pacs PACS

Posted: Sat, 2017-11-11, 21:24 

Replies: 6
Views: 79


First you need to use findscu to find Patient ID, Study and Series Instance UID in order to use them in movescu and do the download. This is the general approach (only -P and -k options shown): 1) findscu -P -k 008,0052=PATIENT -k PatientName="patient_name" -k PatientID ... 2) Use the Pati...

 Forum: DCMTK - General   Topic: dcmtk movescu from pacs PACS

Posted: Fri, 2017-11-10, 21:24 

Replies: 6
Views: 79


Hi, the hint that I provided will let you download all images of the patient. If you want to download a specific Series, you have to know ⋅  The Patient ID of the Patient the Series belongs to ⋅  The Study Instance UID of the Study the Series belongs to ⋅  The Series In...

 Forum: DCMTK - General   Topic: dcmtk movescu from pacs PACS

Posted: Fri, 2017-11-10, 08:58 

Replies: 6
Views: 79


Hi,

add "-k Patient ID=<your_patient_id>" and remove the patient name from the query.

You should read about Q/R in the DICOM standard part 4 since the request has to follow a certain structure.

Best,
Michael

 Forum: Other DICOM Tools   Topic: Can we configure Storescp for a particular ethernet port.

Posted: Tue, 2017-11-07, 16:24 

Replies: 2
Views: 41


Hi,

so far there is no solution for this and we filed this feature request in our bugtracker many years ago (sorry for the German). A related discussion with a patch that could solve the problem can be found in this forum thread.

Best,
Michael

 Forum: DCMTK - General   Topic: Compressing Parametric Map Instances with FloatPixelData

Posted: Fri, 2017-11-03, 12:39 

Replies: 5
Views: 57


You made me re-think this issue again, since the parametric map data actually *is* in Pixel Data (I got confused with Tractography which I also implemented some time ago) and might use 16 bit integer (as you denote). So I'm not a 100% sure. In the DCMTK Parametric Map implementation I allowed Deflat...

 Forum: DCMTK - General   Topic: Compressing Parametric Map Instances with FloatPixelData

Posted: Fri, 2017-11-03, 11:43 

Replies: 5
Views: 57


Hi David, there is no other transfer syntax that I know of. JPEG can only handle up to 16 bit. All image compression schemes in DICOM only apply (per definition) to the DICOM Pixel Data element. Thus, Deflated as the only transfer syntax that applies to all data elements, is the only possible choice...

 Forum: DCMTK - Installation   Topic: DCMTK on visual studio 2017 with ssl

Posted: Thu, 2017-11-02, 17:32 

Replies: 13
Views: 755


Hi,

I think using an old OpenSSL version is not a good idea. Is it possible to configure OpenSSL during build? Did you try/check LibreSSL?

Best,
Michael

 Forum: DCMTK - General   Topic: send a list of dicom files from server

Posted: Fri, 2017-10-27, 13:59 

Replies: 3
Views: 66


The query is not correct ("*") but it does not matter here. Use a debugger to see what happens on the server side. It's hard to debug your code remotely.

Best,
Michael

 Forum: DCMTK - General   Topic: StoreSCP Deleting Output Directory

Posted: Fri, 2017-10-27, 11:55 

Replies: 5
Views: 141


Just something that instantly came to my mind: Some tool of yours is deleting the patient directories frequently, do I get this right? Could you modify this tool that it checks whether there is a patient with a newer modification date than the one that is to be deleted? If so, delete it, otherwise w...

 Forum: DCMTK - General   Topic: send a list of dicom files from server

Posted: Fri, 2017-10-27, 11:51 

Replies: 3
Views: 66


Hi, it depends on the DICOM service (SOP Cllass) is using to contact your server. You then have to configure DcmSCP to accept those services. Additionally, the request is sent in a message called DIMSE, probably, in your case, a C-FIND-RQ message. You must build a handler into DcmSCP that answers wi...

 Forum: DCMTK - General   Topic: Extract private binary data from dicom file

Posted: Fri, 2017-10-27, 11:47 

Replies: 2
Views: 50


Hi, you can use dcmdump. Option +L makes sure all tags (i.e. also those with very long tag values) will be dumped. In general you can send dcmdump output to a file (dcmdump DICOMFILE > output.txt). If you want to extract only selected tags, you can additionally use dcmdump's +P option to select the ...

 Forum: DCMTK - General   Topic: DCMTK server code

 Post subject: Re: DCMTK server code
Posted: Thu, 2017-10-19, 13:14 

Replies: 8
Views: 121


Yes, I'll fix that too.

 Forum: DCMTK - General   Topic: DCMTK server code

 Post subject: Re: DCMTK server code
Posted: Thu, 2017-10-19, 13:03 

Replies: 8
Views: 121


Not sure what the best behavior of DcmSCP would be, but I tend to keep it as is. However, at least the current documentation should be much clearer. I will change it in the next days. Thanks for the hint Hafiz.

Best regards,
Michael
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