On 20.03.2013 14:27, Federico Milano wrote:
> You are completely right, we cannot use that tag for calculations.
> However, if that tag is in zero I think that we can safely conclude that
> there is no gantry tilt. In fact, I'm not seeing how it is possible to
> distinguish between a tilted image and a MRI oblique acquisition using
> the present method. If you need a sample to reproduce this behaviour, I
> can anonymize this study and share it with you. On the other hand, the
> DICOM Editor plugin is behaving differently. I haven't yet read the
> code, but it is recognizing the study as a single volume.

Hi Federico,

If you can provide a sample that looks strange to you, I'd be happy to 
have a look. Regarding oblique acquisitions, the difference is in the 
relative position of neighboring slices. With a tilt, neighboring slices 
just don't "fit" into an orthogonal box as expected by most 
algorithms/rendering. Perhaps the image in

http://mitk.org/ChangeRequests/11106

illustrates this in an understandable way?

Regards
Daniel

-- 
Dr. Daniel Maleike                           Telefon: + 49 6221 647976 3
Mint Medical GmbH, Friedrich-Ebert-Straße 2, 69221 Dossenheim/Heidelberg
Geschäftsführer: Dr. Matthias Baumhauer
Registergericht Mannheim, HRB 709351

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