Circularity = -1 ??

Posted by Richard Han-2 on
URL: http://imagej.273.s1.nabble.com/Circularity-1-tp3701523.html

Dear ImageJ users

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

Thanking you

Richard Han
Hospital for Small Animals
Easter Bush Veterinary Centre
University of Edinburgh
Roslin
Midlothian
EH25 9RG
UK

Tel: [phone]
E-mail: [hidden email]