[Insight-users] Problem fft 3D

Luis Ibanez luis.ibanez at kitware.com
Tue May 5 21:17:40 EDT 2009


Hi Jinpeng,

What is the size of your image (in pixels along each dimension) ?

What *exactly* is the problem that you are observing ?

Do you get an error message ?

Do you get incorrect output ?


   Please let us know,


      Luis


------------------
jingpeng wrote:
> Hi, ITK users
> 
> Have you solved this problem?
> I encountered this problem as well.
> 
> I have checked the dimension of image, it's 2.
> My program works fine while deal with some image with different scale, it is
> quite abnormal.
> 
> Could you give me some suggestions?
> 
> Thanks.
> 
> Jingpeng.
>  
> 
> alexandre govignon wrote:
> 
>>i have found the problem,
>>it s about the dimensions of my image, i don't know that i need power
>>of two image for vnl FFT, which is a very bad news.... Have you an
>>idea... without using FFTW, i think about resampling my image data to
>>a correct dimensionned image? but maybe there lost of information...
>>and it's about medical imaging system for dosimetry... maybe it
>>shouldn't be a good idea???
>>What do you think?
>>
>>Kind regards
>>Alexandre Govignon.
>>_______________________________________________
>>Insight-users mailing list
>>Insight-users at itk.org
>>http://www.itk.org/mailman/listinfo/insight-users
>>
>>
> 
> 


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