Re: How to Get 1D Power Spectra from 2D FFT Image

Hi Ben,

Try the Radial Profile Plot at the ImageJ plugin page. 

HTH,
Divakar


--- Ben <benchermar@xxxxxxxxx> wrote:

> Dear All,
>   Sorry for bothering. 
>   I had a 2D TEM image and I already used ImageJ to get a 2D
> power spectra. (FFT transform on the TEM image).
>    The problem is: I wan to average the radial intensity
> distribution of all the direction on the 2D power spectra to
> get a 1D power spectra. That is to say, how to extract a 1D
> magnitude of the 2D transform. So, I am wondering is there
> such a plugin to average over the azimuthal angel to yield the
> radial power spectra?
>    Thanks a lot and your respons will be well appreciated!
>   Regards
>   Ben
> 
>               
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