[Dcmlib] Re: [Gdcm2] [Fwd: Attributes in a derived image (e.g. MPR)]

[Jean-Pierre Roux]

Mathieu Malaterre wrote:

--> Mathieu
Send a copy to dcmlib, also, since gdcm-developers at lists.sourceforge.net 
is pretty confidential...

--> The post is interesting : the guy says he doesn't know, and gives 
links on post from  people that say they don't know ....

I guess MPR , or MIP, or anything else are just used 'to see'.
If he says the generated image is a  'Secondary Capture Image', he may 
drop (or not) all the informations about physical aquisition conditions, 
because nobody will care about them.
He just save the :
0008 1140 SQ 1 Referenced Image Sequence
in case on a day, somebody wants to get back to the original images...
JPRx

> Definitely interesting
>
> -------- Original Message --------
> Subject: Attributes in a derived image (e.g. MPR)
> Date: Wed, 18 Jan 2006 16:55:10 GMT
> From: (Steve M. Robbins)
> Newsgroups: comp.protocols.dicom
>
> Howdy,
>
> I'm looking for a guideline regarding creation of derived images,
> e.g. a reformat, that will be sent back to the PACS.  I could not find
> anything in DICOM or IHE, but perhaps I missed something.
>
> Basically, the question boils down to: which attributes should I copy
> from the original series and which should I create anew.
>
> There are some obvious ones: new series instance UID, new SOP instance
> UIDs, image type, manufacturer info and all the image position and
> orientation stuff that has changed.
>
> I found an old posting here that listed a few more attributes:
> http://groups.google.com/group/comp.protocols.dicom/tree/browse_frm/thread/9ce1edda141a067f/1a6ca9dd6dfaf942?rnum=1 
>
>
> I'm currently assuming that everything from the Patient, General
> Study, Patient Study modules should be copied.  It's the attributes in
> the image modules that are unclear to me.
>
> Things like acquisition number, date, and time.  In David Clunie's
> contribution to the thread above he says that acquisition date and
> time should definitely remain the same.  Ditto for acquisition number?
>
> I presume it's standard to retain the modality and SOP Class from the
> original.  Then what should I do about all those Type 3 attributes
> from, say the CT Image module; e.g. reconstruction diameter, distance
> source to patient, gantry detector tilt, etc etc.  Same with MR image
> module: scanning sequence (Type 1!), echo time, etc.
>
> Do people expect to see such attributes in the reconstruction or not?
>
> Any guidance is appreciated,
> -Steve
>
>
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