Re: particle distribution - randomness/uniformity

Posted by Gabriel Landini on May 24, 2007; 8:24pm
URL: http://imagej.273.s1.nabble.com/particle-distribution-randomness-uniformity-tp3699301p3699307.html

> I have a stack of binary-8bit images with a random distribution of
> particles; also each image has a different number of particles. I
> was trying to find out how random the distribution was i.e. how
> uniformly the particles are distributed across each image.

Hi,
There is also Ripley's book on Spatial Statistics.
There are implementations of some of those methods in R.

> One of the previous mails to this list suggested averaging the
> shortest distance between all the particles - but that does not
> show any significant difference between images.

Isn't that useful? Perhaps the differences in the number of particles is not
large enough to show any differences in the mean shortest distances.

Regards,

Gabriel