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    Add as FriendDICOM and the Web

    by: Rogers

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    1 : DICOM and the Web Emmanuel Cordonnier ETIAM emmanuel.cordonnier@etiam.com May 2002 DICOM Seminar in Seoul
    2 : May 2002 DICOM Seminar in Seoul DICOM/Internet: strategy DICOM members (users and vendors) are very aware of the rapid development of the Internet/Web technologies in Healthcare (they are using them largely in their applications and systems) BUT they decided to go STEP by STEP « to Web »: The basic Internet standards have been adopted by DICOM from its early stage (IP, JPEG for image compression…) DICOM is a « domain » standard. It shall focus only on the specific aspects of the « medical imaging » area, and not to define new general purpose standards DICOM is standardizing COMMUNICATION (including the one with users -Presentation State) but not APPLICATIONS It must integrate new (general purpose) standards only if they are STABLE (and « open » – e.g. limitations in Snomed or Wavelets compression)
    3 : May 2002 DICOM Seminar in Seoul DICOM and Web standards So short term DICOM strategy is to only standardize the « glue » with Internet/Web when needed: A DICOM MIME Type (and PC/Mac File type .dcm and DICM) is registered to ensure consistent E-mail and Web-page encapsulation of DICOM Objects. Perspectives for a DICOM formatted URL consistent with the DICOM unique identification of Objects to allow « HTTP reference » on DICOM Objects. DICOM «world» « Internet » world DICOM «object» DICOM «world» DICOM «object» creation encapsulation use DICOM «object»
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    5 : May 2002 DICOM Seminar in Seoul DICOM MIME Type Example 1 Content-Type: application/dicom; id="SE0001/I0001"; name="I0001.dcm" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="I0001.dcm" Content-ID: "" Content-Description: Color image     AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAABESUNNAgAAAFVMBACmAAAAAgABAE9CAAACAAAAAQACAAIAVUkaADEuMi44 NDAuMTAwMDguNS4xLjQuMS4xLjcAAgADAFVJHAAxLjIuMjUwLjEuNTkuMTIzLjQ1Ni43ODkuMS4x . . . . . . . . . . . . . . .3Ny619ew2tq21tau1NSq5OTJ2dm03d294uLG2Niz2Nix2dmz19ex2Niz1NSq3t6+39+/5ubP0tKm 09Oo2dm11tau8fHj////+/v4/v7+/////////v7++/v4/Pz6/f38////////////////////////////////////////////////////////////////////
    6 : May 2002 DICOM Seminar in Seoul DICOM MIME Type Example 2 Content-Type: multipart/related; boundary="----=_NextPart_000_0062_01C1C786.EA262CC1_13487"; start=""; type="application/dicom"   ------=_NextPart_000_0062_01C1C786.EA262CC1_13487 Content-Type: text/plain; name="dicomfileset1note1.txt" . . . ------=_NextPart_000_0062_01C1C786.EA262CC1_13487 Content-Type: application/dicom; id="DICOMDIR"; name="Dicomdir" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="Dicomdir"; Content-ID: "" Content-Description: Index of the images (DICOMDIR)   AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA . . . . . . MS4yLjg0MC4xMDAwOC4xLjIuMQAIAAgAQ1MAACAAEwBJUwIAMgA=   ------=_NextPart_000_0062_01C1C786.EA262CC1_13487
    7 : May 2002 DICOM Seminar in Seoul DICOM MIME Type Example 2
    8 : May 2002 DICOM Seminar in Seoul DICOM MIME Type Example 2
    9 : May 2002 DICOM Seminar in Seoul Perspective for a« DICOM » URL: needs DICOM images are increasingly distributed (U.S. or « visible light » images, surgery depts, clinical depts, doctors…) They are more and more used in conjunction to (textual) clinical information which is often accessed through the Web browser There is a growing need for referencing DICOM image(s) into hypertext documents
    10 : May 2002 DICOM Seminar in Seoul Perspective for a« DICOM » URL: approach Define the need and potential solution in conjunction with the medical informatics world (ISO TC215, HL7, DICOM) Propose adaptation of the solution for images (DICOM) Submit it to the Internet world (IETF, W3C) ~ late 2003 DICOM « Entity » (station, server, modality, media) Database Non-DICOM document or system
    11 : May 2002 DICOM Seminar in Seoul DICOM and XML XML has been identified as a good standard to be studied by DICOM in the future (~2003+) All the new DICOM information objects (for example SR) should easily be « converted » into an XML document (but images themselves can’t) DICOM has decided to wait the stabilization of the XML technologies (schemas…) as well as HL7 (XML) V3 to further study its possible impact on DICOM

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