Glossary · Imaging
Value Representation (VR)
DICOM Value Representation
The value representation is the two-letter data type of a DICOM data element, such as PN for a person name, DA for a date, UI for a unique identifier, CS for a code string or SQ for a nested sequence.
It sets the format and maximum length of the value, and in explicit-VR transfer syntaxes it is written in the file next to each tag.
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