K-Means and Fuzzy C-Means

In COMKAT R4.0a, you can analyze images by K-Means or Fuzzy C-Means clustering.

1.Select Image > Clustering

2.You can select K-Means or Fuzzy C-Means here:

3.If you select Fuzzy C-means, you can output Labels or Probability Maps /membership functions :

4.Assign number of clusters

5.If your images are several MR contrast (muti-bands), you can also analyze band-2 and band-3 by unchecking the checkbox as follows:

Examples

Here we use Fuzzy C-means for an example.

1.Load phantom imge:

a= phantom(256);
b= phantom(256);
c= cat(3,a,b);           % COMKAT do not read 2-D image
comkatimagetool(c)

2.Select Colormap > GreenFire

3.Select Image > Clustering

4.Set as follows:

5.Results