ITK/Release 4/DICOM/Tcon 2010 10 11

Attendees

• Mathieu Malaterre (CoSMo)

Topics

• DICOM Query/Retrieve API (C-ECHO, C-STORE, C-MOVE, C-FIND):
  • http://github.com/malaterre/ITKDICOM
• Should we support streaming ?
  • Store to disk ?
  • Store to memory ?
  • Drop Presentation Data Value for Pixel Data (requested extent) ?
  • JPIP ?
• Interface for Abstract DICOM DataSet /
  • Follow App 118 syntax (see below)
  • Very simple interface (eg. vtkMedicalImageProperties). Not extensible
• C-FIND interface ?
  • low level DICOM approach: http://www.itk.org/Wiki/DICOM_QueryRetrieve_Explained
  • interface for characterset (easy work around only allow UTF-8 interface)

• Implementation details:
  • Support GDCM ?
  • Support DCMTK ?
  • Support CTN ?
  • Third party ?
• Should we support Extensions:
  • kerberos ?
  • TLS ?

SubTopics

• Relation: itk::Image / itk::DICOMDataSet
  • This is a weak relation

App 118 Syntax

See:

• ftp://medical.nema.org/medical/dicom/supps/sup118_lb.pdf

A.1.7 Examples

Here is an example XPath query to extract the code meaning of the first item in the View Code Sequence:
/DicomNativeModel/DicomAttribute[@keyword=‖ViewCodeSequence‖]/Item[@number=1]/ /DicomAttribute[@keyword=‖CodeMeaning‖]/Value[@number=1]
1405

See posts

• http://lists.nema.org/scripts/lyris.pl?sub=488573&id=443986901

> The following XPath expression is not defined:
>
> DicomAttribute[@tag=”OverlayLabel”]/Value[@number=1]
>
DicomAttribute[@tag=”OverlayLabel” and @repeating="02"]/Value[@number=1]