Update README.md

svkoh · Aug 19, 2016 · 438bdc6 · 438bdc6
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@@ -3,6 +3,12 @@ page_dewarp
 
 Page dewarping and thresholding using a "cubic sheet" model - see full writeup at <https://mzucker.github.io/2016/08/15/page-dewarping.html>
 
+Requirements:
+
+ - scipy
+ - OpenCV 3.0 or greater
+ - Image module from PIL or Pillow
+
 Usage:
 
     page_dewarp.py IMAGE1 [IMAGE2 ...]