1 /*M/////////////////////////////////////////////////////////////////////////////////////// 2 // 3 // IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. 4 // 5 // By downloading, copying, installing or using the software you agree to this license. 6 // If you do not agree to this license, do not download, install, 7 // copy or use the software. 8 // 9 // 10 // License Agreement 11 // For Open Source Computer Vision Library 12 // 13 // Copyright (C) 2000-2008, Intel Corporation, all rights reserved. 14 // Copyright (C) 2009, Willow Garage Inc., all rights reserved. 15 // Copyright (C) 2013, OpenCV Foundation, all rights reserved. 16 // Third party copyrights are property of their respective owners. 17 // 18 // Redistribution and use in source and binary forms, with or without modification, 19 // are permitted provided that the following conditions are met: 20 // 21 // * Redistribution's of source code must retain the above copyright notice, 22 // this list of conditions and the following disclaimer. 23 // 24 // * Redistribution's in binary form must reproduce the above copyright notice, 25 // this list of conditions and the following disclaimer in the documentation 26 // and/or other materials provided with the distribution. 27 // 28 // * The name of the copyright holders may not be used to endorse or promote products 29 // derived from this software without specific prior written permission. 30 // 31 // This software is provided by the copyright holders and contributors "as is" and 32 // any express or implied warranties, including, but not limited to, the implied 33 // warranties of merchantability and fitness for a particular purpose are disclaimed. 34 // In no event shall the Intel Corporation or contributors be liable for any direct, 35 // indirect, incidental, special, exemplary, or consequential damages 36 // (including, but not limited to, procurement of substitute goods or services; 37 // loss of use, data, or profits; or business interruption) however caused 38 // and on any theory of liability, whether in contract, strict liability, 39 // or tort (including negligence or otherwise) arising in any way out of 40 // the use of this software, even if advised of the possibility of such damage. 41 // 42 //M*/ 43 44 #ifndef __OPENCV_HIST_COST_HPP__ 45 #define __OPENCV_HIST_COST_HPP__ 46 47 #include "opencv2/imgproc.hpp" 48 49 namespace cv 50 { 51 52 //! @addtogroup shape 53 //! @{ 54 55 /** @brief Abstract base class for histogram cost algorithms. 56 */ 57 class CV_EXPORTS_W HistogramCostExtractor : public Algorithm 58 { 59 public: 60 CV_WRAP virtual void buildCostMatrix(InputArray descriptors1, InputArray descriptors2, OutputArray costMatrix) = 0; 61 62 CV_WRAP virtual void setNDummies(int nDummies) = 0; 63 CV_WRAP virtual int getNDummies() const = 0; 64 65 CV_WRAP virtual void setDefaultCost(float defaultCost) = 0; 66 CV_WRAP virtual float getDefaultCost() const = 0; 67 }; 68 69 /** @brief A norm based cost extraction. : 70 */ 71 class CV_EXPORTS_W NormHistogramCostExtractor : public HistogramCostExtractor 72 { 73 public: 74 CV_WRAP virtual void setNormFlag(int flag) = 0; 75 CV_WRAP virtual int getNormFlag() const = 0; 76 }; 77 78 CV_EXPORTS_W Ptr<HistogramCostExtractor> 79 createNormHistogramCostExtractor(int flag=DIST_L2, int nDummies=25, float defaultCost=0.2f); 80 81 /** @brief An EMD based cost extraction. : 82 */ 83 class CV_EXPORTS_W EMDHistogramCostExtractor : public HistogramCostExtractor 84 { 85 public: 86 CV_WRAP virtual void setNormFlag(int flag) = 0; 87 CV_WRAP virtual int getNormFlag() const = 0; 88 }; 89 90 CV_EXPORTS_W Ptr<HistogramCostExtractor> 91 createEMDHistogramCostExtractor(int flag=DIST_L2, int nDummies=25, float defaultCost=0.2f); 92 93 /** @brief An Chi based cost extraction. : 94 */ 95 class CV_EXPORTS_W ChiHistogramCostExtractor : public HistogramCostExtractor 96 {}; 97 98 CV_EXPORTS_W Ptr<HistogramCostExtractor> createChiHistogramCostExtractor(int nDummies=25, float defaultCost=0.2f); 99 100 /** @brief An EMD-L1 based cost extraction. : 101 */ 102 class CV_EXPORTS_W EMDL1HistogramCostExtractor : public HistogramCostExtractor 103 {}; 104 105 CV_EXPORTS_W Ptr<HistogramCostExtractor> 106 createEMDL1HistogramCostExtractor(int nDummies=25, float defaultCost=0.2f); 107 108 //! @} 109 110 } // cv 111 #endif 112