Nearest Neighbor Distances Calculation with ImageJ
This is a imageJ plugin for calculating the nearest neighbor distances of the particles.
First download the plugin file from here: File:Nnd .class.
Then copy the Nnd_.class file to the ImageJ/Plugins/Analyze folder and restart the ImageJ.
Then, you can call the plugin at Plugins ->Analyze -> Nnd.
Follow the last step (step 8) of ImageJ Beginner Tutorial 1.
Click Analyze -> Set Measurements, Make sure "Centroid" is checked.
Click Analyze -> Analyze Particles.. and then ok.
The results window will display the X and Y coordinates of the particle's centroid.
Click Plugins ->Analyze -> Nnd to get the nearest neighber distances.