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+/*M///////////////////////////////////////////////////////////////////////////////////////
+ //
+ //  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
+ //
+ //  By downloading, copying, installing or using the software you agree to this license.
+ //  If you do not agree to this license, do not download, install,
+ //  copy or use the software.
+ //
+ //
+ //                           License Agreement
+ //                For Open Source Computer Vision Library
+ //
+ // Copyright (C) 2013, OpenCV Foundation, all rights reserved.
+ // Third party copyrights are property of their respective owners.
+ //
+ // Redistribution and use in source and binary forms, with or without modification,
+ // are permitted provided that the following conditions are met:
+ //
+ //   * Redistribution's of source code must retain the above copyright notice,
+ //     this list of conditions and the following disclaimer.
+ //
+ //   * Redistribution's in binary form must reproduce the above copyright notice,
+ //     this list of conditions and the following disclaimer in the documentation
+ //     and/or other materials provided with the distribution.
+ //
+ //   * The name of the copyright holders may not be used to endorse or promote products
+ //     derived from this software without specific prior written permission.
+ //
+ // This software is provided by the copyright holders and contributors "as is" and
+ // any express or implied warranties, including, but not limited to, the implied
+ // warranties of merchantability and fitness for a particular purpose are disclaimed.
+ // In no event shall the Intel Corporation or contributors be liable for any direct,
+ // indirect, incidental, special, exemplary, or consequential damages
+ // (including, but not limited to, procurement of substitute goods or services;
+ // loss of use, data, or profits; or business interruption) however caused
+ // and on any theory of liability, whether in contract, strict liability,
+ // or tort (including negligence or otherwise) arising in any way out of
+ // the use of this software, even if advised of the possibility of such damage.
+ //
+ //M*/
+
+#ifndef __OPENCV_ONLINEMIL_HPP__
+#define __OPENCV_ONLINEMIL_HPP__
+
+#include "opencv2/core.hpp"
+#include <limits>
+
+namespace cv
+{
+
+//! @addtogroup tracking
+//! @{
+
+//TODO based on the original implementation
+//http://vision.ucsd.edu/~bbabenko/project_miltrack.shtml
+
+class ClfOnlineStump;
+
+class CV_EXPORTS ClfMilBoost
+{
+ public:
+  struct CV_EXPORTS Params
+  {
+    Params();
+    int _numSel;
+    int _numFeat;
+    float _lRate;
+  };
+
+  ClfMilBoost();
+  ~ClfMilBoost();
+  void init( const ClfMilBoost::Params &parameters = ClfMilBoost::Params() );
+  void update( const Mat& posx, const Mat& negx );
+  std::vector<float> classify( const Mat& x, bool logR = true );
+
+  inline float sigmoid( float x )
+  {
+    return 1.0f / ( 1.0f + exp( -x ) );
+  }
+
+ private:
+  uint _numsamples;
+  ClfMilBoost::Params _myParams;
+  std::vector<int> _selectors;
+  std::vector<ClfOnlineStump*> _weakclf;
+  uint _counter;
+
+};
+
+class ClfOnlineStump
+{
+ public:
+  float _mu0, _mu1, _sig0, _sig1;
+  float _q;
+  int _s;
+  float _log_n1, _log_n0;
+  float _e1, _e0;
+  float _lRate;
+
+  ClfOnlineStump();
+  ClfOnlineStump( int ind );
+  void init();
+  void update( const Mat& posx, const Mat& negx, const cv::Mat_<float> & posw = cv::Mat_<float>(), const cv::Mat_<float> & negw = cv::Mat_<float>() );
+  bool classify( const Mat& x, int i );
+  float classifyF( const Mat& x, int i );
+  std::vector<float> classifySetF( const Mat& x );
+
+ private:
+  bool _trained;
+  int _ind;
+
+};
+
+//! @}
+
+} /* namespace cv */
+
+#endif