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RadiAnt DICOM Viewer - Discussion Forum
acquisition time

Aug 12, 2013 01:00 PM
by Tommy
I'd like to visualize acquisition time of MR sequences. is there any way to do it?
Aug 12, 2013 06:33 PM
by RadiAnt
I'm not sure what you mean by "visualization", the acquisition time (and date) is presented in the bottom right corner of the image.
Did you mean something else?
Aug 13, 2013 01:29 PM
by Tommy
ok, it shows what date and time that sequence was acquired (i.e. 17:56:04)
but what I mean is the amount of time necessary to acquire that sequence (i.e. 3 min 24 sec)
is something like that possible to dig out from DICOM datas?
Aug 13, 2013 07:12 PM
by RadiAnt
GE scanners embed this information in a private DICOM tag: 0019,105A. The value is in microseconds as far as I know. I'm not aware if and how others manufacturers provide this data.
Nov 30, 2013 08:23 AM
by Tommy
I have a Siemens MR scanner and I'm pretty sure they store somehow that value.
when I look the images in the syngo console of the technician I can see the acquisition time lenght (i.e 2'34'' or 1'58'' etc) in the left bottom corner.

I'm looking the DICOM tags of one of such Siemens MR images in RadiAnt and I see these tags:

(0008,0030) Study time
--> I suppose it's the time the whole exam started (i.e. 10:30 PM)

(0008,0031) Series time
--> I suppose it's the time the sequence started (i.e. 10:32 PM)

(0008,0032) Acquisition time
(0008,0033) Content time
--> I'm not pretty sure what they exactly represent

which one of those tags is shown in right bottom corner?

Nov 30, 2013 05:25 PM
by RadiAnt
RadiAnt shows (0008,0032) Acquisition time in the bottom right corner.
Dec 5, 2013 12:33 PM
by Tommy
so, what's the "(0008,0033) Content time" stands for?
is it maybe what I'm looking for (sequence length)?
Dec 6, 2013 04:23 PM
by RadiAnt
(0008,0033) Content time - the time the image pixel data creation started
(0008,0032) Acquisition time - the time the acquisition of data that resulted in this image started

Content time can differ significantly from acquisition time, e.g. when you create secondary images with reconstructions a few days after the study was performed.
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