[Insight-users] itkBSplineDeformableTransform with different spline orders for each dimension

Nicholas Tustison ntustison at gmail.com
Sat Jul 31 10:04:11 EDT 2010


Yeah, I do that all the time where I want a different approximation scheme in the temporal dimension.  I avoid the Transform framework altogether, though, and use the other BSpline class.  


On Jul 31, 2010, at 9:41 AM, Mehmet Yiğitsoy wrote:

> Hi Nick,
> 
> Thanks for your reply. Maybe I should have been more specific about the application. I want to perform deformable registration between two temporal image sequences. Normally itkBSplineDeformableTransform works fine. If the sequence consists of 2D images then I want to have order 3 in x and y direction but a lower order in temporal direction so that a certain pixel in one of the 2D images should not be affected by the control points in temporal direction except for the nearest ones, which means a first order b-spline.
> 
> Regards,
> 
> Mehmet Yigitsoy
> 
> 
> 
> 2010/7/31 Nicholas Tustison <ntustison at gmail.com>
> Hi Mehmet,
> 
> I don't know if you need to use the itkBSplineDeformableTransform class, but the itkBSplineScatteredDataPointSetToImageFilter class will allow you to use different spline orders in the different parametric directions.
> 
> Nick
> 
> On Jul 31, 2010, at 6:14 AM, Mehmet Yiğitsoy wrote:
> 
>> Hi all,
>> 
>> I am trying to use itkBSplineDeformableTransform in my application and I want to use different spline orders for each dimension. But it seems to be not possible with itkBSplineDeformableTransform. I am wondering if there is an implemention/modification of this class that can handle this.
>> 
>> Thanks
>> 
>> Mehmet Yigitsoy
>> 
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