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MathGroup Archive 2004

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Re: DICOM-RT

  • To: mathgroup at smc.vnet.net
  • Subject: [mg48566] Re: [mg48530] DICOM-RT
  • From: Yasvir Tesiram <yat at omrf.ouhsc.edu>
  • Date: Sat, 5 Jun 2004 07:19:11 -0400 (EDT)
  • References: <200406040849.EAA23728@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Hi,

You could try ImplicitVrs -> {{GroupNumber, ElementNumber}->"vr",....}

Alternatively, you could just import a particular file using 
ReadListBinary as the appropriate type, Partition it and then Display 
it using ListDensityPlot with Mesh -> False. You may need to install 
the FastBinaryFiles package for fast import of binaries.

I have a feeling the header information is different in the DICOM-RT, 
but I don't have such a file to check against,  and such a file may or 
may not be supported by the current import options for DICOM files. In 
any case, it is just a flat binary file of image intensity values.

BTW, where are the Dicom.mx and DicomDataDictionary.mx files located? 
Maybe this could be copied and extended upon.

Cheers
Yas

On Jun 4, 2004, at 3:49 AM, Peter Dickof wrote:

> I have successfully used the Import[example, "DICOM",
> ConversionOptions -> {"Verbose" ->True, "DataDictionary" -> None}]
> command to read the data in a DICOM file. I now wish to read DICOM-RT
> files; these include data Element Tags with group numbers 3002 - 300E.
> When I read such a file I get the message "Import::nodta: Insufficient
> data found for DICOM format."
>
> 1) what am I doing wrong?
>
> 2) I do not think this is a matter of missing data element tags
> because I am not interpreting these. Is this correct?
>
> 2) I have tried to figure out what data element tags are in the
> default data dictionary. How do I do this? (I have found the files
> Dicom.mx and DicomDataDictionary.mx but do not know how to understand
> their contents)
>
> Thanks in advance for your help.
>
> Peter Dickof


  • References:
    • DICOM-RT
      • From: pdickof@scf.sk.ca (Peter Dickof)
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