Re: Rephrased FFT Question
Posted by
ERIC on
Mar 19, 2014; 9:18pm
URL: http://imagej.273.s1.nabble.com/Rephrased-FFT-Question-tp5007000p5007002.html
Hi Rebecca,
You may have a look to Claire Smith's CiliaFA macro. It reveals
frequencies of intensity variation in different zone of a brightfield
image.
We are using it for high frequency Cilia beating.
here is a link to the paper and macro :
http://www.ciliajournal.com/content/1/1/14Rebecca Keller <
[hidden email]> a écrit :
> Dear List,
>
> Let me rephrase: what I am trying to do is locate oscillations of a certain
> frequency onto a 2D visual field, i.e., convert the third
> dimension (time) of a time-lapse image series into frequency space. Then I
> could scan through frequency space (the new third dimension) to find groups
> of pixels with similar oscillation frequencies.
>
> So I guess what would need to be done is a 1D FFT for each pixel. Is there
> any way easily to do this with the current imagej tools?
>
> JPK
>
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