[Insight-users] time difference in DICOM header

[TienGarry]

Dear all, 
I need to compute the time difference of the follwing entry.
(0008,0032) [100209.015000]        # AcquisitionTime
(0018,1072) [090000.000000]        #  RadiopharmaceuticalStartTime
I can extract these two values from the dicom file based on itk.
But how to compute the difference in c++ use this function?double difftime ( time_t time2, time_t time1 );Thank you very much.
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