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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) 2000-2008, Intel Corporation, all rights reserved.
+// Copyright (C) 2009-2011, Willow Garage Inc., 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_VIDEOSTAB_MOTION_STABILIZING_HPP
+#define OPENCV_VIDEOSTAB_MOTION_STABILIZING_HPP
+
+#include <vector>
+#include <utility>
+#include "opencv2/core.hpp"
+#include "opencv2/videostab/global_motion.hpp"
+
+namespace cv
+{
+namespace videostab
+{
+
+//! @addtogroup videostab_motion
+//! @{
+
+class CV_EXPORTS IMotionStabilizer
+{
+public:
+    virtual ~IMotionStabilizer() {}
+
+    //! assumes that [0, size-1) is in or equals to [range.first, range.second)
+    virtual void stabilize(
+            int size, const std::vector<Mat> &motions, std::pair<int,int> range,
+            Mat *stabilizationMotions) = 0;
+};
+
+class CV_EXPORTS MotionStabilizationPipeline : public IMotionStabilizer
+{
+public:
+    void pushBack(Ptr<IMotionStabilizer> stabilizer) { stabilizers_.push_back(stabilizer); }
+    bool empty() const { return stabilizers_.empty(); }
+
+    virtual void stabilize(
+            int size, const std::vector<Mat> &motions, std::pair<int,int> range,
+            Mat *stabilizationMotions);
+
+private:
+    std::vector<Ptr<IMotionStabilizer> > stabilizers_;
+};
+
+class CV_EXPORTS MotionFilterBase : public IMotionStabilizer
+{
+public:
+    virtual ~MotionFilterBase() {}
+
+    virtual Mat stabilize(
+            int idx, const std::vector<Mat> &motions, std::pair<int,int> range) = 0;
+
+    virtual void stabilize(
+            int size, const std::vector<Mat> &motions, std::pair<int,int> range,
+            Mat *stabilizationMotions);
+};
+
+class CV_EXPORTS GaussianMotionFilter : public MotionFilterBase
+{
+public:
+    GaussianMotionFilter(int radius = 15, float stdev = -1.f);
+
+    void setParams(int radius, float stdev = -1.f);
+    int radius() const { return radius_; }
+    float stdev() const { return stdev_; }
+
+    virtual Mat stabilize(
+            int idx, const std::vector<Mat> &motions, std::pair<int,int> range);
+
+private:
+    int radius_;
+    float stdev_;
+    std::vector<float> weight_;
+};
+
+inline GaussianMotionFilter::GaussianMotionFilter(int _radius, float _stdev) { setParams(_radius, _stdev); }
+
+class CV_EXPORTS LpMotionStabilizer : public IMotionStabilizer
+{
+public:
+    LpMotionStabilizer(MotionModel model = MM_SIMILARITY);
+
+    void setMotionModel(MotionModel val) { model_ = val; }
+    MotionModel motionModel() const { return model_; }
+
+    void setFrameSize(Size val) { frameSize_ = val; }
+    Size frameSize() const { return frameSize_; }
+
+    void setTrimRatio(float val) { trimRatio_ = val; }
+    float trimRatio() const { return trimRatio_; }
+
+    void setWeight1(float val) { w1_ = val; }
+    float weight1() const { return w1_; }
+
+    void setWeight2(float val) { w2_ = val; }
+    float weight2() const { return w2_; }
+
+    void setWeight3(float val) { w3_ = val; }
+    float weight3() const { return w3_; }
+
+    void setWeight4(float val) { w4_ = val; }
+    float weight4() const { return w4_; }
+
+    virtual void stabilize(
+            int size, const std::vector<Mat> &motions, std::pair<int,int> range,
+            Mat *stabilizationMotions);
+
+private:
+    MotionModel model_;
+    Size frameSize_;
+    float trimRatio_;
+    float w1_, w2_, w3_, w4_;
+
+    std::vector<double> obj_, collb_, colub_;
+    std::vector<int> rows_, cols_;
+    std::vector<double> elems_, rowlb_, rowub_;
+
+    void set(int row, int col, double coef)
+    {
+        rows_.push_back(row);
+        cols_.push_back(col);
+        elems_.push_back(coef);
+    }
+};
+
+CV_EXPORTS Mat ensureInclusionConstraint(const Mat &M, Size size, float trimRatio);
+
+CV_EXPORTS float estimateOptimalTrimRatio(const Mat &M, Size size);
+
+//! @}
+
+} // namespace videostab
+} // namespace
+
+#endif