added signal module

modules/signal/include/opencv2/signal.hpp

@@ -0,0 +1,17 @@
+// This file is part of OpenCV project.
+// It is subject to the license terms in the LICENSE file found in the top-level directory
+// of this distribution and at http://opencv.org/license.html
+#ifndef OPENCV_SIGNAL_HPP
+#define OPENCV_SIGNAL_HPP
+
+/**
+* @defgroup signal Signal Processing
+* @{
+* This module includes signal processing algorithms.
+* @}
+*/
+
+#include "opencv2/core.hpp"
+#include "opencv2/signal/signal_resample.hpp"
+
+#endif