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k-means Clustering

Posted by Richard Han-2 on Dec 06, 2007; 9:53am
URL: http://imagej.273.s1.nabble.com/k-means-Clustering-tp3697801.html

Dear All,

I am using k-means Clustering to measure the blue and red in my  
images. I use the threshold to move from one cluster to another. In  
some images the k-means clustering could produce very good matches  
(I'd say spot on), but in others the results were less desirable. My  
settings are

Number of clusters to: 4
Cluster center tolerance: 0.0001
Enable randomization seed: ticked
Randomization seed: 48
The other options were not ticked

Could I do anything more to improve the analysis? and... Is it  
possible to pre-define the red and blue clusters (ie, assign cluster  
1 to be blue)?

Any help will be appreciated. Thanking you.

Richard Han
University of Edinburgh