diff options
Diffstat (limited to '2.3-1/thirdparty/includes/OpenCV/opencv2/nonfree/features2d.hpp')
| -rw-r--r-- | 2.3-1/thirdparty/includes/OpenCV/opencv2/nonfree/features2d.hpp | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/2.3-1/thirdparty/includes/OpenCV/opencv2/nonfree/features2d.hpp b/2.3-1/thirdparty/includes/OpenCV/opencv2/nonfree/features2d.hpp new file mode 100644 index 00000000..f23bec8b --- /dev/null +++ b/2.3-1/thirdparty/includes/OpenCV/opencv2/nonfree/features2d.hpp @@ -0,0 +1,155 @@ +/*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. +// 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_NONFREE_FEATURES_2D_HPP__ +#define __OPENCV_NONFREE_FEATURES_2D_HPP__ + +#include "opencv2/features2d/features2d.hpp" + +#ifdef __cplusplus + +namespace cv +{ + +/*! + SIFT implementation. + + The class implements SIFT algorithm by D. Lowe. +*/ +class CV_EXPORTS_W SIFT : public Feature2D +{ +public: + CV_WRAP explicit SIFT( int nfeatures=0, int nOctaveLayers=3, + double contrastThreshold=0.04, double edgeThreshold=10, + double sigma=1.6); + + //! returns the descriptor size in floats (128) + CV_WRAP int descriptorSize() const; + + //! returns the descriptor type + CV_WRAP int descriptorType() const; + + //! finds the keypoints using SIFT algorithm + void operator()(InputArray img, InputArray mask, + vector<KeyPoint>& keypoints) const; + //! finds the keypoints and computes descriptors for them using SIFT algorithm. + //! Optionally it can compute descriptors for the user-provided keypoints + void operator()(InputArray img, InputArray mask, + vector<KeyPoint>& keypoints, + OutputArray descriptors, + bool useProvidedKeypoints=false) const; + + AlgorithmInfo* info() const; + + void buildGaussianPyramid( const Mat& base, vector<Mat>& pyr, int nOctaves ) const; + void buildDoGPyramid( const vector<Mat>& pyr, vector<Mat>& dogpyr ) const; + void findScaleSpaceExtrema( const vector<Mat>& gauss_pyr, const vector<Mat>& dog_pyr, + vector<KeyPoint>& keypoints ) const; + +protected: + void detectImpl( const Mat& image, vector<KeyPoint>& keypoints, const Mat& mask=Mat() ) const; + void computeImpl( const Mat& image, vector<KeyPoint>& keypoints, Mat& descriptors ) const; + + CV_PROP_RW int nfeatures; + CV_PROP_RW int nOctaveLayers; + CV_PROP_RW double contrastThreshold; + CV_PROP_RW double edgeThreshold; + CV_PROP_RW double sigma; +}; + +typedef SIFT SiftFeatureDetector; +typedef SIFT SiftDescriptorExtractor; + +/*! + SURF implementation. + + The class implements SURF algorithm by H. Bay et al. + */ +class CV_EXPORTS_W SURF : public Feature2D +{ +public: + //! the default constructor + CV_WRAP SURF(); + //! the full constructor taking all the necessary parameters + explicit CV_WRAP SURF(double hessianThreshold, + int nOctaves=4, int nOctaveLayers=2, + bool extended=true, bool upright=false); + + //! returns the descriptor size in float's (64 or 128) + CV_WRAP int descriptorSize() const; + + //! returns the descriptor type + CV_WRAP int descriptorType() const; + + //! finds the keypoints using fast hessian detector used in SURF + void operator()(InputArray img, InputArray mask, + CV_OUT vector<KeyPoint>& keypoints) const; + //! finds the keypoints and computes their descriptors. Optionally it can compute descriptors for the user-provided keypoints + void operator()(InputArray img, InputArray mask, + CV_OUT vector<KeyPoint>& keypoints, + OutputArray descriptors, + bool useProvidedKeypoints=false) const; + + AlgorithmInfo* info() const; + + CV_PROP_RW double hessianThreshold; + CV_PROP_RW int nOctaves; + CV_PROP_RW int nOctaveLayers; + CV_PROP_RW bool extended; + CV_PROP_RW bool upright; + +protected: + + void detectImpl( const Mat& image, vector<KeyPoint>& keypoints, const Mat& mask=Mat() ) const; + void computeImpl( const Mat& image, vector<KeyPoint>& keypoints, Mat& descriptors ) const; +}; + +typedef SURF SurfFeatureDetector; +typedef SURF SurfDescriptorExtractor; + +} /* namespace cv */ + +#endif /* __cplusplus */ + +#endif + +/* End of file. */ |