diff --git a/source/modules/FrameDifference.cpp b/source/modules/FrameDifference.cpp
new file mode 100644
index 0000000..e712efa
--- /dev/null
+++ b/source/modules/FrameDifference.cpp
@@ -0,0 +1,66 @@
+/*    This file is a part of plaYUVer project
+ *    Copyright (C) 2014  by Luis Lucas      (luisfrlucas@gmail.com)
+ *                           Joao Carreira   (jfmcarreira@gmail.com)
+ *
+ *    This program is free software; you can redistribute it and/or modify
+ *    it under the terms of the GNU General Public License as published by
+ *    the Free Software Foundation; either version 2 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License along
+ *   with this program; if not, write to the Free Software Foundation, Inc.,
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+/**
+ * \file     FrameDifference.cpp
+ * \brief    Frame Difference module
+ */
+
+#include <cstdio>
+
+#include "FrameDifference.h"
+#include "PlaYUVerFrame.h"
+
+namespace plaYUVer
+{
+
+static PlaYUVerModuleDefinition FrameDifferenceDef =
+{
+    FRAME_LEVEL_MODULE,
+    "Measurements",
+    "FrameDifference",
+    "Measure the difference between two images",
+    true, };
+
+FrameDifference::FrameDifference()
+{
+  m_pcFrameDifference = NULL;
+  m_cModuleDef = FrameDifferenceDef;
+}
+
+Void FrameDifference::create( PlaYUVerFrame* Input )
+{
+  m_pcFrameDifference = NULL;
+  m_pcFrameDifference = new PlaYUVerFrame( Input->getWidth(), Input->getHeight(), PlaYUVerFrame::GRAY );
+}
+
+PlaYUVerFrame* FrameDifference::process( PlaYUVerFrame* Input1 )
+{
+  return m_pcFrameDifference;
+}
+
+Void FrameDifference::destroy()
+{
+  if( m_pcFrameDifference )
+    delete m_pcFrameDifference;
+  m_pcFrameDifference = NULL;
+}
+
+}  // NAMESPACE
+
diff --git a/source/modules/FrameDifference.h b/source/modules/FrameDifference.h
new file mode 100644
index 0000000..3ac2485
--- /dev/null
+++ b/source/modules/FrameDifference.h
@@ -0,0 +1,60 @@
+/*    This file is a part of plaYUVer project
+ *    Copyright (C) 2014  by Luis Lucas      (luisfrlucas@gmail.com)
+ *                           Joao Carreira   (jfmcarreira@gmail.com)
+ *
+ *    This program is free software; you can redistribute it and/or modify
+ *    it under the terms of the GNU General Public License as published by
+ *    the Free Software Foundation; either version 2 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License along
+ *   with this program; if not, write to the Free Software Foundation, Inc.,
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+/**
+ * \file     FrameDifference.h
+ * \brief    Frame Difference module
+ */
+
+#ifndef __MEASUREPSNR_H__
+#define __MEASUREPSNR_H__
+
+#include "config.h"
+
+#include <iostream>
+#include <cstdio>
+#include "TypeDef.h"
+#include "PlaYUVerFrame.h"
+#include "PlaYUVerModuleIf.h"
+
+#include <cassert>
+
+namespace plaYUVer
+{
+
+class FrameDifference: public PlaYUVerModuleIf
+{
+private:
+  PlaYUVerFrame* m_pcFrameDifference;
+
+public:
+  FrameDifference();
+  virtual ~FrameDifference()
+  {
+  }
+  Void create( PlaYUVerFrame* Input );
+  PlaYUVerFrame* process( PlaYUVerFrame* Input1 );
+  Void destroy();
+
+};
+
+}  // NAMESPACE
+
+#endif // __MEASUREPSNR_H__
+