[Insight-users] conversion of scan transofmration matrix between different modality

[Bill Lorensen]

ITK should handle this. ITK uses the information stored in DICOM to compute
an origin, spacing and direction. You should not have to convert the volume,
assuming the patient scans are landmarked (in the scanner) at a similar
location.

What version of ITK are you using?

On Wed, Sep 30, 2009 at 11:04 AM, kevin cavin <beibeiwen2003 at yahoo.com>wrote:

>
> Hi, Folks:
>
>       When I use ITK to register two dicom volume  from different
> modalities.  I have found that MR and CT scan often have different scan
> transformation matrixes. For example for CT scan the z direction is the y
> direction of MR scan. This will pose problem to register the two volumes
> with ITK. I am wondering whether in ITK the probelm can be solved soneway by
> using some function embedded. Do I need to write individual program to
> manula convert one of the volume.  Thanks in advance !
>
> Kind regards
>
> Calvin
>
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