Re: gray point correction

Posted by Martin du Saire on Jan 11, 2006; 10:54pm
URL: http://imagej.273.s1.nabble.com/Serial-communication-tp3704088p3704091.html

Thanks, I'll try and get my hand on a copy (I'm actually using
Gimp).  Do you think the manual gives an explanation of how the
pixels are processed, or just how to use the eyedropper?  I am hoping
to reproduce the correction with ImageJ.

M

At 04:26 PM 1/11/2006, you wrote:

>  Martin writes ...
>
>
> > Is there a color correction tool for ImageJ?  If not, can
> > someone point me to a source that discusses how to achieve
> > this (a la Photoshop or Gimp).  All I have been able to find
> > so far are tutorials on how to use Gimp gray point correction
> > or papers on color constancy.  I'm looking for something in
> > between, hopefully.
>
>You can use the "gray" eyedropper with PS.  It's in the levels and curves
>dialog boxes.  Its use should be described in the PS PDF manual.
>
>HTH ...