Re: [Boost.GIL] GSoC 2020 - FFT implementation

From: stefan (stefan_at_[hidden])
Date: 2020-02-05 20:07:02

On 2020-02-05 2:53 p.m., Bjorn Reese via Boost wrote:
> On 2020-02-04 21:18, stefan via Boost wrote:
>
>> While I think it would be great for Boost.GIL users to be able to 
>> perform Fourier transforms  on their images, I'm not convinced the 
>> best way to support that would be by adding our own FFT 
>> implementations to Boost.GIL. Given the amount of work (and expertise 
>> !) that goes into existing third-party FFT libraries (such as FFTW: 
>> http://fftw.org/), I think it's far more useful to make sure 
>> Boost.GIL can readily use (or be used with) such libraries.
>
> FYI, Boost.Math already uses FFTW for Chesbyshev polynomials.

Great to see !

Debabrata, perhaps you could look into the above and see whether 
Boost.GIL could use a similar technique to use FFTW as a backend.

Regards,

Stefan

--
       ...ich hab' noch einen Koffer in Berlin...