[Insight-users] Extraction of a oriented subimage

[Miller, James V (GE, Research)]

The ResampleImageFilter will take a rectangular region of the output image and transform the pixel locations in that output region into the coordinate space of the input image.
 
So you can create an image of a bronchus such that it looks like a axi-aligned right circular cylinder after being resampled.
 
Jim

-----Original Message-----
From: insight-users-bounces+millerjv=crd.ge.com at itk.org [mailto:insight-users-bounces+millerjv=crd.ge.com at itk.org]On Behalf Of Popa Teo
Sent: Monday, April 03, 2006 9:26 PM
To: insight-users at itk.org
Subject: Re: [Insight-users] Extraction of a oriented subimage


Hi,
I think that  the transform in case of resample filter rotates the coordinate system of the output image .What I actually want is to cut an parallelogram from initial image not to cut a rectangule and then rotate it.

Maybe I should first rotate my input and then resample it with a desired subvolume(smaller size than inital image)-so i'm applying twice the resample filter once for rotate and second time for selecting a subvolume?
 
Teo

Dan Mueller <d.mueller at qut.edu.au> wrote:

Hi Teo,

You might want to take a look at the itkResampleImageFilter - http://www.itk.org/Doxygen/html/classitk_1_1ResampleImageFilter.html

This filter allows you to specify an arbitrary centered transform (eg. itkVersorRigid3DTransform) to resample your image. The difficulty will be in creating the transform to describe your desired orientation...

Hope this helps.

Dan


Popa Teo wrote: 

Hi,
 
Does itk has something like vtkImageReslice.
 
I'm trying to extract subimages that have the  direction of a particular bronchial branch.( I have the origin,orientation and size of my subimage)
 
Thanks,
Teo
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