From 08dae8e53c483d62651f3525b5b358be587fe621 Mon Sep 17 00:00:00 2001
From: radioxoma <radioxoma@yandex.ru>
Date: Sun, 29 Dec 2013 22:09:14 +0300
Subject: [PATCH] contrib

---
 CONTRIBUTORS.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CONTRIBUTORS.txt b/CONTRIBUTORS.txt
index 92d0d10e..00a76e59 100644
--- a/CONTRIBUTORS.txt
+++ b/CONTRIBUTORS.txt
@@ -151,7 +151,7 @@
   Color difference functions
 
 - Eugene Dvoretsky
-  Yen threshold implementation.
+  Yen, Ridler-Calvard (ISODATA) threshold implementations.
 
 - Riaan van den Dool
   skimage.io plugin: GDAL