$ diff -up debian/control_orig debian/control
--- debian/control_orig	2013-10-11 08:58:40.696268000 +0100
+++ debian/control	2013-10-16 17:06:28.284210782 +0100
@@ -9,7 +9,7 @@ Vcs-Browser: http://git.dyne.org/?r=frei
 Homepage: http://www.piksel.org/frei0r
 Build-Depends: cdbs, debhelper (>> 5.0.0), pkg-config, libcv-dev, libgavl-dev (>= 1.1.0),
  libtool, autoconf, automake,
- libcvaux-dev, libhighgui-dev
+ libcvaux-dev, libhighgui-dev, libopencv-dev
 Standards-Version: 3.8.3
 
 Package: frei0r-plugins