The original image.
Result of thresholding phn1 at a value of 100.
Result of skeletonizing phn1thr1.
Result of closing phn1thr1 with a circular structuring element of size 20.
Result of skeletonizing phn1clo1.
Result of scaling phn1thr1 by a factor
of 6 and then distance transforming the brightened
©2003 R. Fisher, S. Perkins,
A. Walker and E. Wolfart.