[Insight-users] How to do reverse transformation of cubic Bspline-based FFD?

[David R. Haynor]

hi xianjun,

check out itk::InverseDeformationFieldImageFilter< TInputImage, TOutputImage >

-dh

On Thu, 1 Nov 2012, Willi Huber wrote:

> 
> Hi Xianjun,
> 
> it may not be right but it is just what I am thinking.
> Could it be the reverse transform if you take the opposite offsets, i.e reverse_offset = -offset ?
> 
> Best,
> Willi
> 
> 
> ______________________________________________________________________________________________________________________________________________________________________________________
> From: xianjun.sun.ext_CRC <xianjun.sun.ext at united-imaging.com>;
> To: insight-users at itk.org <insight-users at itk.org>;
> Subject: [Insight-users] How to do reverse transformation of cubic Bspline-based FFD?
> Sent: Thu, Nov 1, 2012 3:14:27 AM
> 
> Hello everyone,
> 
>  
> 
> I got offsets of the control points employed to transform image I1 to image I2, now I want to get the reverse transformation. How can I do it? Any hints or reference paper?
> 
> Thanks a lot.
> 
>  
> 
>  
> 
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>