DICOM Encoding

  • “TAG” organized byte format based on “TransferSyntax”
  • “TAG”s have in review (Group, Element, Length, Explicit Value Representation (optional), and Value or data)
  • “TransferSyntax” applies to header and data‏
  • –Implicit Little Endian (ILE) (everyone must support this)‏
  • –Explicit Little Endian (ELE)‏
  • –Explicit Big Endian (EBE)‏
  • –“Encoded” Pixels (JPEG, RLE, J2000, PDF, MPEG) – header is ELE
  • So what does the word “endian” mean…
  • “Endian” traces back to “Gulliver’s Travels” (1726)
  • More recently, the article in IEEE “Computer” magazine of October 1981 called On Holy Wars and a Plea for Peace”  by Danny Cohen explained the problem related to computer communications.  (see WikiPedia “endianess)
For more information about the VNA Institute of Technology, or to enroll for CPHIMS (CE) Continuing Education Hours, visit http://www.vnait.org

For information about TeraMedica, visit: http://www.teramedica.com


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