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MathGroup Archive 2007

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Re: Re: Possible to Create 16 Bit Dicom Images in Mathematica

  • To: mathgroup at smc.vnet.net
  • Subject: [mg72691] Re: [mg72671] Re: Possible to Create 16 Bit Dicom Images in Mathematica
  • From: Yasvir Tesiram <tesiramy at omrf.ouhsc.edu>
  • Date: Mon, 15 Jan 2007 05:43:40 -0500 (EST)
  • References: <eoa6vb$mo8$1@smc.vnet.net> <200701141010.FAA08862@smc.vnet.net>

G'day,
Unfortunately, Mathematica Export writes out an 8-bit image and its own 
represenatation based on Raster, complete with axes etc. And there are 
numerous elements contained in a DICOM file to acurately represent the 
collected image. Mathematica Export does however contain ConversionOptions 
for DICOM export, but without knowing the DICOM standard they are of 
little use.
For the specific question raised by Danny, one would have to write out a 
file with Export["filename", imageData, "Integer16"], or better yet, write 
out the processed data to a file with BinaryWrite and Append to it a line 
that follows the header guidelines as defined by the DICOM standard. I 
guess the short answer to the original post is, "Yes it can be done, but 
you would have to roll out your own DICOM export routine to accurately 
represent the data as expected in medical imaging".
Cheers
Yas

On Sun, 14 Jan 2007, Jean-Marc Gulliet wrote:

> Danny wrote:
>> Hi,
>>
>> Is it possible to create 16 bit images in Dicom format in Mathematica
>> 5.2 ??
>>
>> Basically I want to take Dicom files and then modify them ( To remove
>> some artifacts with image processing package) and create new Dicom
>> files in 16 Bit .  Is it possible ??
>>
>>
>> thanks inadvance !!
>>
>> dannny
>>
>
> Hi Danny,
>
> The Mathematica functions you are looking for are called *Import* and
> *Export*. I am not familiar with the Dicom file format, but, according
> to the online help, "Export creates files in the DICOM file format as
> specified in Section PS 3.10 of the DICOM standard."
>
> For detail information, see
> http://documents.wolfram.com/mathematica/Built-inFunctions/GraphicsAndSound/ImportAndExport/AdditionalInformation/Export.html
>
> Regards,
> Jean-Marc
>
>


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