Following the latest DICOM specification, the DICOM APIs support all IODs with or without optional modules and elements. Additionally, the libraries support all transfer syntaxes, native model (XML and JSON), ANSI, Unicode, and multi-language character support to load and save ideographic and phonetic characters within the same DICOM element. I am trying to extract and save images from a Dicom dataset. It is taking approximate 4-5 hours to process 1000 files. (Also, I am reading and saving files in an external hard drive so there is a time lag due to this factor too) Is there a way to expedite the program as I have more than 10k files and it'll take me forever to just extract the ... May 01, 2009 · Introduction. The Digital Imaging and Communications in Medicine (DICOM) standard is used for transmission of medical images. Its predecessor, the ACR-NEMA (American College of Radiology–National Electrical Manufacturers Association) standard, was published in 1982, followed by a second version, ACR-NEMA 2.0, in 1988 (, 1–, 3), neither of which addressed computer networking issues.