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118 lines
3.5 KiB
118 lines
3.5 KiB
/*M/////////////////////////////////////////////////////////////////////////////////////// |
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// |
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. |
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// |
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// By downloading, copying, installing or using the software you agree to this license. |
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// If you do not agree to this license, do not download, install, |
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// copy or use the software. |
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// |
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// |
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// License Agreement |
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// For Open Source Computer Vision Library |
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// |
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// Copyright (C) 2013, OpenCV Foundation, all rights reserved. |
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// Third party copyrights are property of their respective owners. |
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// |
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// Redistribution and use in source and binary forms, with or without modification, |
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// are permitted provided that the following conditions are met: |
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// |
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// * Redistribution's of source code must retain the above copyright notice, |
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// this list of conditions and the following disclaimer. |
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// |
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// * Redistribution's in binary form must reproduce the above copyright notice, |
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// this list of conditions and the following disclaimer in the documentation |
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// and/or other materials provided with the distribution. |
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// |
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// * The name of the copyright holders may not be used to endorse or promote products |
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// derived from this software without specific prior written permission. |
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// |
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// This software is provided by the copyright holders and contributors "as is" and |
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// any express or implied warranties, including, but not limited to, the implied |
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// warranties of merchantability and fitness for a particular purpose are disclaimed. |
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// In no event shall the Intel Corporation or contributors be liable for any direct, |
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// indirect, incidental, special, exemplary, or consequential damages |
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// (including, but not limited to, procurement of substitute goods or services; |
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// loss of use, data, or profits; or business interruption) however caused |
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// and on any theory of liability, whether in contract, strict liability, |
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// or tort (including negligence or otherwise) arising in any way out of |
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// the use of this software, even if advised of the possibility of such damage. |
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// |
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//M*/ |
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#ifndef __OPENCV_ONLINEMIL_HPP__ |
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#define __OPENCV_ONLINEMIL_HPP__ |
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#include "opencv2/core.hpp" |
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#include <limits> |
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namespace cv |
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{ |
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//! @addtogroup tracking |
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//! @{ |
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//TODO based on the original implementation |
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//http://vision.ucsd.edu/~bbabenko/project_miltrack.shtml |
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class ClfOnlineStump; |
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class CV_EXPORTS ClfMilBoost |
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{ |
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public: |
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struct CV_EXPORTS Params |
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{ |
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Params(); |
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int _numSel; |
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int _numFeat; |
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float _lRate; |
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}; |
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ClfMilBoost(); |
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~ClfMilBoost(); |
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void init( const ClfMilBoost::Params ¶meters = ClfMilBoost::Params() ); |
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void update( const Mat& posx, const Mat& negx ); |
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std::vector<float> classify( const Mat& x, bool logR = true ); |
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inline float sigmoid( float x ) |
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{ |
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return 1.0f / ( 1.0f + exp( -x ) ); |
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} |
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private: |
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uint _numsamples; |
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ClfMilBoost::Params _myParams; |
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std::vector<int> _selectors; |
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std::vector<ClfOnlineStump*> _weakclf; |
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uint _counter; |
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}; |
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class ClfOnlineStump |
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{ |
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public: |
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float _mu0, _mu1, _sig0, _sig1; |
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float _q; |
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int _s; |
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float _log_n1, _log_n0; |
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float _e1, _e0; |
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float _lRate; |
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ClfOnlineStump(); |
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ClfOnlineStump( int ind ); |
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void init(); |
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void update( const Mat& posx, const Mat& negx, const cv::Mat_<float> & posw = cv::Mat_<float>(), const cv::Mat_<float> & negw = cv::Mat_<float>() ); |
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bool classify( const Mat& x, int i ); |
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float classifyF( const Mat& x, int i ); |
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std::vector<float> classifySetF( const Mat& x ); |
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private: |
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bool _trained; |
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int _ind; |
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}; |
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//! @} |
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} /* namespace cv */ |
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#endif
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