Re: Outline and area of clusters of objects

Posted by dscho on Feb 12, 2009; 8:33pm
URL: http://imagej.273.s1.nabble.com/Outline-and-area-of-clusters-of-objects-tp3693728p3693729.html

Hi,

On Thu, 12 Feb 2009, enriquezudaire wrote:

> I'm trying to generate the outline and automatically measure the area of
> several clusters of objects on a image (8-bit). I thought convex hull
> could help, but I see several problems the first being, how to generate
> several convex hull polygons on the same image.

You usually have to handle the clusters separately; then you can create
the convex hulls.  By combining the convex hulls, you should get what you
want.  The bigger problem is to describe what makes a cluster, precise
enough that you can turn that into a macro or plugin.

Ciao,
Dscho