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dependency/opencv/opencv-linux-aarch64/include/opencv2/shape/hist_cost.hpp

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+/*M///////////////////////////////////////////////////////////////////////////////////////
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+//  copy or use the software.
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+//                          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.
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+//
+// Redistribution and use in source and binary forms, with or without modification,
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+//     this list of conditions and the following disclaimer.
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+//
+//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