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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, Willow Garage Inc., all rights reserved.
// 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_HIST_COST_HPP
#define OPENCV_HIST_COST_HPP
#include "opencv2/imgproc.hpp"
namespace cv
{
//! @addtogroup shape
//! @{
/** @brief Abstract base class for histogram cost algorithms.
*/
class CV_EXPORTS_W HistogramCostExtractor : public Algorithm
{
public:
CV_WRAP virtual void buildCostMatrix(InputArray descriptors1, InputArray descriptors2, OutputArray costMatrix) = 0;
CV_WRAP virtual void setNDummies(int nDummies) = 0;
CV_WRAP virtual int getNDummies() const = 0;
CV_WRAP virtual void setDefaultCost(float defaultCost) = 0;
CV_WRAP virtual float getDefaultCost() const = 0;
};
/** @brief A norm based cost extraction. :
*/
class CV_EXPORTS_W NormHistogramCostExtractor : public HistogramCostExtractor
{
public:
CV_WRAP virtual void setNormFlag(int flag) = 0;
CV_WRAP virtual int getNormFlag() const = 0;
};
CV_EXPORTS_W Ptr<HistogramCostExtractor>
createNormHistogramCostExtractor(int flag=DIST_L2, int nDummies=25, float defaultCost=0.2f);
/** @brief An EMD based cost extraction. :
*/
class CV_EXPORTS_W EMDHistogramCostExtractor : public HistogramCostExtractor
{
public:
CV_WRAP virtual void setNormFlag(int flag) = 0;
CV_WRAP virtual int getNormFlag() const = 0;
};
CV_EXPORTS_W Ptr<HistogramCostExtractor>
createEMDHistogramCostExtractor(int flag=DIST_L2, int nDummies=25, float defaultCost=0.2f);
/** @brief An Chi based cost extraction. :
*/
class CV_EXPORTS_W ChiHistogramCostExtractor : public HistogramCostExtractor
{};
CV_EXPORTS_W Ptr<HistogramCostExtractor> createChiHistogramCostExtractor(int nDummies=25, float defaultCost=0.2f);
/** @brief An EMD-L1 based cost extraction. :
*/
class CV_EXPORTS_W EMDL1HistogramCostExtractor : public HistogramCostExtractor
{};
CV_EXPORTS_W Ptr<HistogramCostExtractor>
createEMDL1HistogramCostExtractor(int nDummies=25, float defaultCost=0.2f);
//! @}
} // cv
#endif
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