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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 "opencv2/core/core.hpp"
namespace cv
{
namespace videostab
{
class CV_EXPORTS IMotionStabilizer
{
public:
virtual void stabilize(const Mat *motions, int size, Mat *stabilizationMotions) const = 0;
#ifdef OPENCV_CAN_BREAK_BINARY_COMPATIBILITY
virtual ~IMotionStabilizer() {}
#endif
};
class CV_EXPORTS MotionFilterBase : public IMotionStabilizer
{
public:
MotionFilterBase() : radius_(0) {}
virtual ~MotionFilterBase() {}
virtual void setRadius(int val) { radius_ = val; }
virtual int radius() const { return radius_; }
virtual void update() {}
virtual Mat stabilize(int index, const Mat *motions, int size) const = 0;
virtual void stabilize(const Mat *motions, int size, Mat *stabilizationMotions) const;
protected:
int radius_;
};
class CV_EXPORTS GaussianMotionFilter : public MotionFilterBase
{
public:
GaussianMotionFilter() : stdev_(-1.f) {}
void setStdev(float val) { stdev_ = val; }
float stdev() const { return stdev_; }
virtual void update();
virtual Mat stabilize(int index, const Mat *motions, int size) const;
private:
float stdev_;
std::vector<float> weight_;
};
CV_EXPORTS Mat ensureInclusionConstraint(const Mat &M, Size size, float trimRatio);
CV_EXPORTS float estimateOptimalTrimRatio(const Mat &M, Size size);
} // namespace videostab
} // namespace
#endif
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