[Insight-users] what is the valid region in BSplineDeformableTransform

[Luis Ibanez]

Hi Sean,

The following references may help

[1] M. Unser, "Splines: A Perfect Fit for Signal and Image Processing,"
     IEEE Signal Processing Magazine, vol. 16, no. 6, pp. 22-38,
     November 1999.

[2] M. Unser, A. Aldroubi and M. Eden, "B-Spline Signal Processing:
     Part I--Theory," IEEE Transactions on Signal Processing, vol. 41,
     no. 2, pp. 821-832, February 1993.

[3] M. Unser, A. Aldroubi and M. Eden, "B-Spline Signal Processing:
     Part II--Efficient Design and Applications," IEEE Transactions on
     Signal Processing, vol. 41, no. 2, pp. 834-848, February 1993.



Regards,


  Luis



-------------------------------------


Zhiyong Xie wrote:
> I am not quite understand the valid region defined in 
> BSplineDeformableTransform.
> suppose I have a cubic B-spline curve with 4 control points (size=4), 
> according to
> the code in  SetGridRegion(), the size of ValidRegion will be
> 4-2*m_Offset = 4-2*2 = 0.
> 
> as my understanding, it should be 1.
> can anybody explain this to me or tell me where I can find the stuff 
> (book or paper)
> based on which this calss is implemented?
> 
> Thanks
> 
> Sean
> 
> 
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