From 8794a2db68bf412336a9ef84b57828acf803e107 Mon Sep 17 00:00:00 2001
From: Andre Anjos <andre.anjos@idiap.ch>
Date: Tue, 22 Aug 2017 11:17:57 +0200
Subject: [PATCH] Improve comments on TomesLeeMask

---
 bob/bio/vein/preprocessor/mask.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/bob/bio/vein/preprocessor/mask.py b/bob/bio/vein/preprocessor/mask.py
index 84ea46a..3c8501b 100644
--- a/bob/bio/vein/preprocessor/mask.py
+++ b/bob/bio/vein/preprocessor/mask.py
@@ -385,7 +385,10 @@ class TomesLeeMask(Masker):
   https://nl.mathworks.com/matlabcentral/fileexchange/35752-finger-region-localisation/content/lee_region.m
 
   In this variant from Pedro Tome, the technique of filtering the image with
-  a horizontal filter is also applied on the vertical axis.
+  a horizontal filter is also applied on the vertical axis. The objective is to
+  find better limits on the horizontal axis in case finger images show the
+  finger tip. If that is not your case, you may use the original variant
+  :py:class:`LeeMask` above.
 
 
   Parameters:
-- 
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