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comparison Sphinx/source/faq/orthanc-ids.rst @ 125:9b4e810f4ecf

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note about concatenation
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 14 Dec 2017 17:33:46 +0100
parents 669ea65ba7fb
children d217af5e6cb3
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124:cd0be128127d 125:9b4e810f4ecf
20 (0020,000d) and their SeriesInstanceUID tag (0020,000e). 20 (0020,000d) and their SeriesInstanceUID tag (0020,000e).
21 * Instances are identified as the SHA-1 hash of the concatenation of 21 * Instances are identified as the SHA-1 hash of the concatenation of
22 their PatientID tag (0010,0020), their StudyInstanceUID tag 22 their PatientID tag (0010,0020), their StudyInstanceUID tag
23 (0020,000d), their SeriesInstanceUID tag (0020,000e), and their 23 (0020,000d), their SeriesInstanceUID tag (0020,000e), and their
24 SOPInstanceUID tag (0008,0018). 24 SOPInstanceUID tag (0008,0018).
25
26 NB: The concatenation adds a `pipe
27 <https://en.wikipedia.org/wiki/Vertical_bar>`__ separator "``|``"
28 between the concatenated DICOM tags.
25 29
26 Because the DICOM standard guarantees the StudyInstanceUID, 30 Because the DICOM standard guarantees the StudyInstanceUID,
27 SeriesInstanceUID and SOPInstanceUID tags to be globally unique, the 31 SeriesInstanceUID and SOPInstanceUID tags to be globally unique, the
28 Orthanc identifiers for studies, series and instances are also 32 Orthanc identifiers for studies, series and instances are also
29 globally unique (provided no hash collision occurs, which is highly 33 globally unique (provided no hash collision occurs, which is highly