[Insight-users] RE: RE: 3D Image Volume Origin

[Luis Ibanez]

Hi Andrew,


The values reported by methods such as


     GetTransform()->GetCenter()
     Calculator->GetCenterOfGravity()


are in physical coordinates in the image space.

Remember that ITK is not limited to CT and MRI
datasets.

ITK is also used for microscopy, satellite images,
and astronomy.

The interpretation of anatomical orientation can
only be made when your image is read from a file
format that has reliable orientation information,
such as DICOM.


   Regards,


      Luis


=================
Andrew Li wrote:
> Hi, Luis:
> 
> Thank you very much for your advice.
> I have started to read Proposals:Orientation document and it may take me
> a while to fully understand it.
> 
> In fact, I am more concerning the meaning of some ITK functions, such
> as, GetTransform()->GetCenter(), Calculator->GetCenterOfGravity(). In
> ITK 2.6.0, are they the offsets in LPS coordinate system? Or the offsets
> in image coordinate system? Or something else when, say, a coronal image
> volume is loaded? 
> 
> -Andrew
> 
> -----Original Message-----
> From: Luis Ibanez [mailto:luis.ibanez at kitware.com] 
> Sent: Tuesday, April 18, 2006 8:07 AM
> To: Simon Warfield
> Cc: Andrew Li; insight-users at itk.org
> Subject: Re: [Insight-users] RE: RE: 3D Image Volume Origin
> 
> 
> Andrew,
> 
> You may find useful to read the discussion about
> Image orientation proposal:
> 
> 
>   http://www.itk.org/Wiki/Proposals:Orientation
> 
> 
> The current consensus is that the orientation
> information of the DICOM header should *not* be
> applied to the image Origin.
> 
> 
> Regards,
> 
> 
>     Luis
>  
> --------------------------------------------------------
> 
> This email message is for the sole use of the intended recipient(s) and may contain confidential and privileged information.Any unauthorized review, use, disclosure or distribution is prohibited. If you are not the intended recipient, please contact the sender by reply email and destroy all copies of the original message. If you are the intended recipient, please be advised that the content of this message is subject to access, review and disclosure by the sender's Email System Administrator.
> --------------------------------------------------------
> _______________________________________________
> Insight-users mailing list
> Insight-users at itk.org
> http://www.itk.org/mailman/listinfo/insight-users
> 
>