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Re: Another Rookie Question (thresholding)

Posted by Rick Simmons on Jun 03, 2010; 6:52pm
URL: http://imagej.273.s1.nabble.com/Another-Rookie-Question-thresholding-tp3688072p3688074.html

G.
I have the checkbox and have used it manually and in the macro.  But it
does not seem to perform consistently from image to image.  I don't know
if the images are different or if the switch is buggy.
Rick

-----Original Message-----
From: ImageJ Interest Group [mailto:[hidden email]] On Behalf Of
Gabriel Landini
Sent: Thursday, June 03, 2010 12:34 PM
To: [hidden email]
Subject: Re: Another Rookie Question (thresholding)

On Thursday 03 June 2010, you wrote:

> Problem:  On some images, thresholding isolates the background (mostly
> the shadows between the nodules) and on others it isolates the
> foreground (the nodules)

Maybe you are using an old version of IJ? For some time there has been a
"Dark
Background" checkbox. If you check that box (or add the switch to the
macro)
you should be able to make all the images get the same phase of the
threshold.

G.


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