Re: Background correction

Posted by Joel Sheffield on Feb 03, 2010; 2:49pm
URL: http://imagej.273.s1.nabble.com/Background-correction-tp3689517p3689518.html

You might also want to look at the FFT bandpass filter.  You can
consider the gradual shading to be a very low frequency wave, and
select that while keeping the high frequency exclusions to zero.

Joel

> Hi,
>  
> I have a series of grey scale SEM (BSEM) images where
> the image becomes progressively brighter in a directional manner.  I
> cannot obtain a blank image for correction. Is there another method
> to do this ? I did look about it seems that the pseudo flat field
> correction plugin might help, but I cannot locate it.
>  
> Thanks in advance,
>  
> Adam
>
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