Re: analysis of objects with holes

Posted by Gabriel Landini on Sep 15, 2005; 9:19am
URL: http://imagej.273.s1.nabble.com/analysis-of-objects-with-holes-tp3704830p3704832.html

On Wednesday 14 September 2005 18:19, luis amaral wrote:
> Hello.
> I am trying to determine the number of pixels (or length) of the
> skeleton of the objects within a given image. Some of the objects
> however have holes inside leading to skeletons like a circle. When I try
> to determine the area of these skeletons by the macro command
> run("Analyze Particles...",…) this command always fill the holes within
> the circle and determines the filled area. How can I prevent this? Or is
> there another way to determine each skeleton individual length?
> I would very much appreciate if someone could help me.

My Particles8 plugin a part of the Morphology collection (link to my site at
IJ Plugins page) can count pixels in an object without filling the holes.
Cheers,

G.