Re: gray point correction

Posted by michael shaffer on Jan 12, 2006; 12:03am
URL: http://imagej.273.s1.nabble.com/Serial-communication-tp3704088p3704094.html

 Martin writes ...

> 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.

  I don't think the manual will go into much detail.  Keep in mind that PS
is a color space savvy software, that is, it would take into account the
color space's gamma and therefore the correction is likely too complex for a
"users manual".  What's entailed is only conceptually understood by myself,
which wouldn't include the mathematical details.  However, I would also
imagine there are plenty of PS users in the scientific community and that
you might find some help in the image processing Usenet group,
<sci.image.processing>.

HTH