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diff --git a/include/astra/Utilities.h b/include/astra/Utilities.h
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+/*
+-----------------------------------------------------------------------
+Copyright 2012 iMinds-Vision Lab, University of Antwerp
+
+Contact: astra@ua.ac.be
+Website: http://astra.ua.ac.be
+
+
+This file is part of the
+All Scale Tomographic Reconstruction Antwerp Toolbox ("ASTRA Toolbox").
+
+The ASTRA Toolbox 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 3 of the License, or
+(at your option) any later version.
+
+The ASTRA Toolbox 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 the ASTRA Toolbox. If not, see <http://www.gnu.org/licenses/>.
+
+-----------------------------------------------------------------------
+$Id$
+*/
+
+#ifndef _INC_ASTRA_UTILIES
+#define _INC_ASTRA_UTILIES
+
+#include <string>
+#include <vector>
+#include <algorithm>
+#include <sstream>
+#include <map>
+
+#include "Globals.h"
+
+namespace astra {
+
+/**
+ * This class contains some usefull static utility functions for std strings.
+ */
+class StringUtil {
+
+public:
+	/**
+	 * Removes whitespace characters such as spaces and tabs at the extremas.
+	 * Optionally you can specify which extrema to trim (default=both) 
+	 *
+	 * @param _sString The string to trim.
+	 * @param _bLeft Trim the left extrema?  Default = true.
+	 * @param _bRight Trim the right extrema?  Default = true.
+	 */
+	static void trim(std::string& _sString, bool _bLeft = true, bool _bRight = true);
+
+	/**
+	 * Returns a vector of strings that contains all the substrings delimited by 
+	 * the characters in _sDelims.
+	 *
+	 * @param _sString The string to split.
+	 * @param _sDelims The delimiter string.
+	 * @return Vector of strings.
+	 */
+	static std::vector<std::string> split(const std::string& _sString, const std::string& _sDelims);
+
+	/**
+	 * Cast a string to an integer.
+	 *
+	 * @param _sString The string to cast.
+	 * @param _iValue Output integer parameter.
+	 * @return success?
+	 */
+	static bool toInt(const std::string& _sString, int& _iValue);
+
+	/**
+	 * Cast a string to a float32.
+	 *
+	 * @param _sString The string to cast.
+	 * @param _fValue Output float32 parameter.
+	 * @return success?
+	 */
+	static bool toFloat32(const std::string& _sString, float32& _fValue);
+
+	/**
+	 * Convert a string to lower case.
+	 *
+	 * @param _sString The string to convert.
+	 */
+	static void toLowerCase(std::string& _sString);
+	
+	/**
+	 * Convert a string to upper case.
+	 *
+	 * @param _sString The string to convert.
+	 */
+	static void toUpperCase(std::string& _sString);
+};
+
+/**
+ * This class contains some usefull static utility functions for std strings.
+ */
+class FileSystemUtil {
+
+public:
+	/**
+	 * Get the extensions of a filename.  Always in lower case.
+	 *
+	 * @param _sFilename file to get extensions from.
+	 * @return Extension (lower case).  Empty string if filename is a directory or not a valid file format.
+	 */
+	static std::string getExtension(std::string& _sFilename);
+
+
+};
+
+
+template<typename T, typename S>
+std::map<T,S> mergeMap(std::map<T,S> _mMap1, std::map<T,S> _mMap2) 
+{
+	std::map<T,S> result = _mMap1;
+	for (typename std::map<T,S>::iterator it = _mMap2.begin(); it != _mMap2.end(); it++) {
+		result[(*it).first] = (*it).second;
+	}
+	return result;
+}
+
+} // end namespace
+
+#endif