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

[Johnson, Hans J]

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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