The newly generated 20 training images #21-#40 are stored in .gif
format under /gif and .tif format under /tif. 

The output of the medial nets are in corresponding .net files under /net.

The hyperparameter transformed from these results are in .hyp files under
/hyp. 

In each .hyp file, 
% 1st column : Elongation
% 2nd column : Narrowing
% 3rd: boundary curvature
% 4th: axis curvature