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At an early development stage. [http://octave.svn.sourceforge.net/viewvc/octave/trunk/octave-forge/extra/dicom/ octave-forge svn]
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The {{Forge|dicom}} package is part of the [[Octave Forge]] project.  The package is at an early development stage and it is maintained by Andy Buckle with contributions by Judd Storrs and Kris Thielemans.
*Maintainer: Andy Buckle [http://sourceforge.net/sendmessage.php?touser=1760416contact]
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*Currently worked on by: Kris Thielemans
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Digital communications in medicine (DICOM) is an information standard. This package deals with loading DICOM files. Originally created for image transfer, the standard now deals with an large range of medical data. In Matlab the functions are in the image package. In Octave they are separate: most image package users will not use dicom, and its dependency might be considered troublesome.
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== What is the aim of this package? ==
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Digital communications in medicine (DICOM) is an information standard. Originally created for image transfer, the standard now deals with an large range of medical data. See http://medical.nema.org/ for more info.
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=== What is the aim of this package? ===
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This package provides functions to read and (eventually) write DICOM files. The functions in the package are intended to have similar usage as
DICOM ('Digital Imaging and Communication in Medicine') is a standard for transfering and storing medical data. See http://medical.nema.org/ for more info.
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the dicom functions in the Matlab Image Processing Toolbox. In Octave they are separate: most image package users will not use dicom, and its dependency might be considered troublesome.
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== Platforms ==
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This package provides functions to read and (eventually) write DICOM files. The functions in the package are intended to have similar usage as
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{{Warning|The information of this section needs be reviewed (June 2019).}}
the dicom functions in the Matlab Image Processing Toolbox.
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*Linux. Tested on OpenSuSE 11.4 and Ubuntu. No known issues. GDCM is required: see below.
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*mingw
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**Ben Lindner's Octave 3.2.4 and the mingw build environment (gcc 4.4.0): dicom package 0.1.1 does not build against this older version of the Octave API.
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**Tatsuro/Nitzan's Octave 3.4.3 and mingw build environment (gcc 4.5.2): gdcm and dicom package build OK. Get segfault in ntdll.dll when one of the dicom*.oct files calls something from a gdcm*.dll.
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**mxe-octave: dicom and gdcm distributed as part of the installed package.
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*Cygwin: Panic when oct file called (or maybe when oct file uses gdcm dll). Need to try rebaseall
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===Supporting library===
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==Supporting library==
[http://sourceforge.net/apps/mediawiki/gdcm/index.php?title=Main_Page GCDM]. You can usually get this via your package manager, e.g. on Ubuntu
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[http://gdcm.sourceforge.net/wiki/index.php/Main_Page GDCM]. You can usually get this via your package manager, e.g. on Ubuntu
    
  sudo apt-get install libgdcm2.0
 
  sudo apt-get install libgdcm2.0
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Alternatively, build it yourself. Get the source with subversion.
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Alternatively, build it yourself. Get the source with git.
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  svn co https://gdcm.svn.sourceforge.net/svnroot/gdcm/branches/gdcm-2-0
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  git clone https://git.code.sf.net/p/gdcm/gdcm
    
cmake and g++ are required. create a gdcmbin directory parallel to the gdcm-2-0 directory. Change to gdcmbin and then run cmake (Linux/cygwin).
 
cmake and g++ are required. create a gdcmbin directory parallel to the gdcm-2-0 directory. Change to gdcmbin and then run cmake (Linux/cygwin).
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  mingw32-make all
 
  mingw32-make all
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===Features===
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On Cygwin gdcm 2.0.18 (and maybe some other versions) may have a problem with newer cmake. This kludge persuades cmake to define WIN32.
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cmake -DGDCM_BUILD_SHARED_LIBS=ON -DCMAKE_CXX_COMPILER=g++.exe -DCMAKE_LEGACY_CYGWIN_WIN32=1 ../gdcm-2.0.18/
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==Features==
 
All of these still need work, but they exist, and are usable to some extent.
 
All of these still need work, but they exist, and are usable to some extent.
 
*dicomdict (load different dict - file follows same format as Matlab's)
 
*dicomdict (load different dict - file follows same format as Matlab's)
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*dicomlookup (keyword <-> tag)
 
*dicomlookup (keyword <-> tag)
 
*dicomread (load pixel data, 2D or 3D int types. Does not yield colormaps, yet.)
 
*dicomread (load pixel data, 2D or 3D int types. Does not yield colormaps, yet.)
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*dicomwrite (write pixel data to a DICOM format file)
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*dicomuid (generate a DICOM unique id)
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*isdicom (verify if a file is a DICOM formatted file)
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===Todo===
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==Todo==
    
*dicomanon
 
*dicomanon
*dicomuid
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*dicomwrite
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*isdicom
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===Questions===
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==Questions==
 
I don't have a Matlab license available. I would like to make this package compatible with the dicom functions in Matlab's image processing toolbox, as far as possible.
 
I don't have a Matlab license available. I would like to make this package compatible with the dicom functions in Matlab's image processing toolbox, as far as possible.
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**silently convert the metadata to match the pixel type?
 
**silently convert the metadata to match the pixel type?
 
**error and do nothing?  
 
**error and do nothing?  
*What does dicominfo do when a tag is not in its dictionary. Answer: assign to a field like Private_3243_0010 (as Matlab)
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*dicominfo: Items in sequences are not necessarily the same, so are stored as nested structs like dcm.RTDoseROISequence?.Item_1.DoseUnits?(as Matlab)
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[[Category:OctaveForge]]
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== Answered ==
[[Category:Packages]]
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*dicominfo: Items in sequences are not necessarily the same, so are stored as nested structs like dcm.RTDoseROISequence.Item_1.DoseUnits(as Matlab)
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*What does dicominfo do when a tag is not in its dictionary? Answer: assign to a field like Private_3243_0010 (as Matlab)
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== See also ==
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* {{Forge|dicom}} at [[Octave Forge]].
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* [https://sourceforge.net/projects/gdcm/ Grassroots DICOM].
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[[Category:Octave Forge]]

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