[ITK] [ITK-users] NucMed DICOM slice thickness

[rbar9508 at uni.sydney.edu.au]

Thanks Matt.

Actually, it looks like both slice spacing and slice thickness are set to 2.697mm for this particular spect recon image. It looks like it is in accordance with the nuc med IOD.

Sent from my iPad

> On 23 Jan 2015, at 11:01 am, "Matt McCormick" <matt.mccormick at kitware.com> wrote:
> 
> Hi Robbie,
> 
> This slice thickness, how thick the slab of tissue is that is
> irradiated, is different from the spacing between slices -- the slice
> thickness tag should not be used for spacing.  However, to override
> this, use the ChangeInformationImageFilter with the slice thickness
> taken from the MetaDataDictionary.
> 
> Hope this helps,
> Matt
> 
> On Thu, Jan 22, 2015 at 6:02 PM, rbar9508 at uni.sydney.edu.au
> <rbar9508 at uni.sydney.edu.au> wrote:
>> 
>> ITK seems to be misinterpreting the slice thickness reported in
>> reconstructed nuc med images. The problem is that the slice thickness is
>> being set to 1mm for some reason.
>> 
>> 
>> This wasn't a problem for ITK version 3.14, but it seems to have started to
>> occur with versions 4.4.2 and 4.7.0 - probably since GDCM was merged into
>> the ITK project.
>> 
>> 
>> The slice thickness tag is 0018,0050.
>> 
>> 
>> What's the best workaround if I want to use ITK version 4?
>> 
>> 
>> Thanks
>> 
>> 
>> Robbie
>> 
>> 
>> 
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