From d922c962e370b7b65dfbe84ccbcf452ce8c3f044 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Johannes=20Sch=C3=B6nberger?= <hannesschoenberger@gmail.com>
Date: Sun, 9 Sep 2012 21:36:56 +0200
Subject: [PATCH] Add another reference to laplacian pyramid

---
 skimage/transform/pyramids.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/skimage/transform/pyramids.py b/skimage/transform/pyramids.py
index 5028c034..79e00466 100644
--- a/skimage/transform/pyramids.py
+++ b/skimage/transform/pyramids.py
@@ -246,6 +246,7 @@ def build_laplacian_pyramid(image, max_layer=-1, downscale=2, sigma=None,
     References
     ----------
     ..[1] http://web.mit.edu/persci/people/adelson/pub_pdfs/pyramid83.pdf
+    ..[2] http://sepwww.stanford.edu/~morgan/texturematch/paper_html/node3.html
 
     """