Re: Problem with area measurement

Posted by Wayne Rasband on Jul 20, 2005; 12:26am
URL: http://imagej.273.s1.nabble.com/Problem-with-area-measurement-tp3705217p3705218.html

 > I have been having a problem with the Analyze particles tool
 > in ImageJ. If the area I am measuring has any fully enclosed
 > white spaces (after thresholding the image), it measures these
 > areas as being part of the  black areas. This skews our data
 > as we wish to know the area calculations for the black areas,
 > not including any fully enclosed white areas.

There are two ways to exclude interior holes when using the particle
analyzer. One way is to threshold the image and check "Limit to
Threshold" in the Set Measurements dialog. The other way is to check
"Flood Fill" in the Analyze Particles dialog (requires ImageJ 1.34).

-wayne