From 089485ff93cbfa3e8bc6a710c87efa92e850921a Mon Sep 17 00:00:00 2001
From: Andreas Mueller <amueller@ais.uni-bonn.de>
Date: Mon, 26 Sep 2011 19:48:25 +0200
Subject: [PATCH] new canny edge tutorial location

---
 scikits/image/filter/canny.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/scikits/image/filter/canny.py b/scikits/image/filter/canny.py
index f99213e3..75e9abbe 100644
--- a/scikits/image/filter/canny.py
+++ b/scikits/image/filter/canny.py
@@ -80,6 +80,9 @@ def canny(image, sigma=1., low_threshold=.1, high_threshold=.2, mask=None):
     -----------
     Canny, J., A Computational Approach To Edge Detection, IEEE Trans.
     Pattern Analysis and Machine Intelligence, 8:679-714, 1986
+
+    William Green' Canny tutorial
+    http://dasl.mem.drexel.edu/alumni/bGreen/www.pages.drexel.edu/_weg22/can_tut.html
     '''
 
     #