http://imagej.273.s1.nabble.com/FFT-implementation-in-ImageJ-tp5008239p5008301.html
First of all thanks for everybody’s input. I implemented an FFT algorithm by basically looking it up online and I am tracing through the calculation by hand to get a better understanding of the FFT. The FFT I implemented does not produce the image that should be produced by ImageJ. I was wondering if anyone can see where I am going wrong with my calculation. My work is here:
> Hi Dimiter,
>
> On Wed, 18 Jun 2014, Dimiter Prodanov (imec) wrote:
>
>> I was not aware of this. Is there an accessible reference?
>
> A Google search brought this up:
>
http://stackoverflow.com/questions/3256967/what-are-the-copyright-and-licensing-issues-of-porting-code> as well as other good resources. Please do not ask me more about this: I
> am not a lawyer so what I say is not legal advice anyway.
>
>> All in all, the question is very interesting.
>
> Sorry, I disagree. This is not very interesting to me. I much prefer
> programming over technical discussions of the law. But the point
> stands: porting software is considered subject to copyright law.
>
> And the Numerical Recipes are the worst offender of applying this law.
> They should be ashamed, doubly so, it has nothing to do with science when
> you try to prevent the dissemination and application of knowledge, and
> every scientist should stay as far away as possible from this
> incredibly science-unfriendly book.
>
> Ciao,
> Johannes
>
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