Diff: include/opencv2/shape/hist_cost.hpp

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0:0e0631af0305

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+++ b/include/opencv2/shape/hist_cost.hpp	Fri Jan 29 04:53:38 2021 +0000
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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