Re: Circularity = -1 ??

Posted by Wayne Rasband on
URL: http://imagej.273.s1.nabble.com/Circularity-1-tp3701523p3701524.html

> I am measuring the circularity of cells. I noticed there are
> circularity values equal to -1. What does -1 in circularity mean?

It means that the calculated circularity value was greater than 1.0,
which can happen with very small particles. In ImageJ 1.37, circularity
values greater than 1.0 are set to 1.

-wayne