[ITK-users] 1D Complex To Complex FFT of a 2D Image

[Matt McCormick]

Yes, at some point it will be refactored into a Module and extended...

On Fri, May 23, 2014 at 7:57 AM, Johnson, Hans J <hans-johnson at uiowa.edu> wrote:
> Matt,
>
> Can this be made into a remote module and placed on github?
>
> Hans
>
>
> On 5/23/14, 1:07 AM, "Matt McCormick" <matt.mccormick at kitware.com> wrote:
>
>>PS. An updated version for ITKv4:
>>
>>
>>https://gitorious.org/ultrasound-b-mode/itk-fft-extensions/source/be706d58
>>a19dd3ef35ff2681f9ea18f0e310c32e:
>>
>>On Wed, May 7, 2014 at 4:55 PM, Matt McCormick
>><matt.mccormick at kitware.com> wrote:
>>> Hi David,
>>>
>>> These filters have been implemented in the following Insight Journal
>>> article [1][2].  See the classes in Submodule/itk-fft-extensions/Code/
>>>
>>> Hope this helps,
>>> Matt
>>>
>>> [1] http://hdl.handle.net/10380/3159
>>> [2] http://insight-journal.org/browse/publication/722
>>>
>>> On Tue, May 6, 2014 at 11:42 AM, DVigneault <davis.vigneault at gmail.com>
>>>wrote:
>>>> All--
>>>>
>>>> Sorry for the multiple e-mails--I've changed approach from my last
>>>>post, and
>>>> wanted to send updated code before anyone spent time looking through
>>>>the
>>>> last one.  I'm using the itkFFTWComplexToComplexImageFilter header
>>>>files as
>>>> a starting point.  I copied them into a local directory and am editing
>>>>them
>>>> directly.  To summarize:
>>>>
>>>> 1.  Use line iterator to copy one row into a std::complex<double>
>>>>array.
>>>> 2.  Convert to FFTW's input form using FFTW's
>>>> reinterpret_cast<fftw_complex*>() function
>>>> 3.  Create the 1d plan
>>>> 4.  Execute the plan
>>>> 5.  Use linear iterator to copy into the output image
>>>> 6.  Destroy the plan
>>>> 7.  Repeat for the next row
>>>>
>>>> This is giving me a Segmentation Fault on step 4 (when I execute the
>>>>plan).
>>>> Any ideas where I might be going wrong?
>>>>
>>>> Best, and thanks,
>>>>
>>>> --Davis
>>>>
>>>> itkFFTWComplexToComplexImageFilter.h
>>>>
>>>><http://itk-users.7.n7.nabble.com/file/n33871/itkFFTWComplexToComplexIma
>>>>geFilter.h>
>>>> itkFFTWComplexToComplexImageFilter.hxx
>>>>
>>>><http://itk-users.7.n7.nabble.com/file/n33871/itkFFTWComplexToComplexIma
>>>>geFilter.hxx>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> View this message in context:
>>>>http://itk-users.7.n7.nabble.com/ITK-users-1D-Complex-To-Complex-FFT-of-
>>>>a-2D-Image-tp33868p33871.html
>>>> Sent from the ITK - Users mailing list archive at Nabble.com.
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>>Visit other Kitware open-source projects at
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>>
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>
>
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