[Insight-users] itkGDCMImageIO

[Yan Yang]

----- Original Message ----- 
From: "Martin Urschler" <martin at urschler.info>
To: <insight-users at itk.org>
Sent: Thursday, September 29, 2005 2:46 PM
Subject: [Insight-users] itkGDCMImageIO


> hi all,
> 
> i'd like to discuss something that i found in itkGDCMImageIO:
> 
> the write method decides depending on the image data type how the dicom 
> tags bitsAllocated, bitsStored and HighBit are defined
> 
> e.g. if an unsigned short image is written, these values are filled 
> with 16, 16 and 15 respectively
> 
> in my case i'm working on 12 bit ct input data that has the dicom 
> representation 16, 12, 11
> 
> if i write my unsigned short result volume again as a dicom, these 
> values are modified to become 16, 16, 15
> 
> now i'm not a dicom expert (who is btw.?) and have no idea on the exact 
> outcome of this modification for dicom viewers but imho this is an 
> inconsistent behaviour, i'd like to keep my representation the same as 
> it is in my input file...
> 
> what do you think about this issue?
> 
> regards,
> Martin
> 
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