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Diffstat (limited to 'thirdparty1/linux/include/opencv2/tracking/onlineMIL.hpp')
-rw-r--r-- | thirdparty1/linux/include/opencv2/tracking/onlineMIL.hpp | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/thirdparty1/linux/include/opencv2/tracking/onlineMIL.hpp b/thirdparty1/linux/include/opencv2/tracking/onlineMIL.hpp new file mode 100644 index 0000000..78e1372 --- /dev/null +++ b/thirdparty1/linux/include/opencv2/tracking/onlineMIL.hpp @@ -0,0 +1,118 @@ +/*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) 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_ONLINEMIL_HPP__ +#define __OPENCV_ONLINEMIL_HPP__ + +#include "opencv2/core.hpp" +#include <limits> + +namespace cv +{ + +//! @addtogroup tracking +//! @{ + +//TODO based on the original implementation +//http://vision.ucsd.edu/~bbabenko/project_miltrack.shtml + +class ClfOnlineStump; + +class CV_EXPORTS ClfMilBoost +{ + public: + struct CV_EXPORTS Params + { + Params(); + int _numSel; + int _numFeat; + float _lRate; + }; + + ClfMilBoost(); + ~ClfMilBoost(); + void init( const ClfMilBoost::Params ¶meters = ClfMilBoost::Params() ); + void update( const Mat& posx, const Mat& negx ); + std::vector<float> classify( const Mat& x, bool logR = true ); + + inline float sigmoid( float x ) + { + return 1.0f / ( 1.0f + exp( -x ) ); + } + + private: + uint _numsamples; + ClfMilBoost::Params _myParams; + std::vector<int> _selectors; + std::vector<ClfOnlineStump*> _weakclf; + uint _counter; + +}; + +class ClfOnlineStump +{ + public: + float _mu0, _mu1, _sig0, _sig1; + float _q; + int _s; + float _log_n1, _log_n0; + float _e1, _e0; + float _lRate; + + ClfOnlineStump(); + ClfOnlineStump( int ind ); + void init(); + void update( const Mat& posx, const Mat& negx, const cv::Mat_<float> & posw = cv::Mat_<float>(), const cv::Mat_<float> & negw = cv::Mat_<float>() ); + bool classify( const Mat& x, int i ); + float classifyF( const Mat& x, int i ); + std::vector<float> classifySetF( const Mat& x ); + + private: + bool _trained; + int _ind; + +}; + +//! @} + +} /* namespace cv */ + +#endif |