From a7d1deba33a4c45fe3fee11a5e7770d11f9531ca Mon Sep 17 00:00:00 2001
From: mutantturkey <mutantturke@gmail.com>
Date: Mon, 2 Jul 2012 08:40:13 -0400
Subject: Updated readme

---
 fly-tools/README.markdown | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'fly-tools/README.markdown')

diff --git a/fly-tools/README.markdown b/fly-tools/README.markdown
index 791e429..0bc9142 100644
--- a/fly-tools/README.markdown
+++ b/fly-tools/README.markdown
@@ -31,3 +31,17 @@ Usage:
 Todo: 
 
 * automatically detect CPU count and apply threads accordingly 
+
+derive-background
+-----------------
+
+This tool will generate a common background image of a set of video frames (PNGs), based on the statistical mode of each pixel. 
+
+Warning: 
+
+  This will eat a huge chunk of memory. with 2,500 images at 173x174 pixels, it took almost 3Gb of ram.
+
+Usage:
+
+  derive-background -i <input-list> -s <sample-file> -o <output-filename> 
+
-- 
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