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42 #ifndef __OPENCV_PRECOMP_H__
43 #define __OPENCV_PRECOMP_H__
45 #include "opencv2/calib3d.hpp"
46 #include "opencv2/imgproc.hpp"
47 #include "opencv2/features2d.hpp"
48 #include "opencv2/core/utility.hpp"
50 #include "opencv2/core/private.hpp"
52 #include "opencv2/core/ocl.hpp"
54 #define GET_OPTIMIZED(func) (func)
61 * Compute the number of iterations given the confidence, outlier ratio, number
62 * of model points and the maximum iteration number.
64 * @param p confidence value
65 * @param ep outlier ratio
66 * @param modelPoints number of model points required for estimation
67 * @param maxIters maximum number of iterations
70 * \frac{\ln(1-p)}{\ln\left(1-(1-ep)^\mathrm{modelPoints}\right)}
73 * If the computed number of iterations is larger than maxIters, then maxIters is returned.
75 int RANSACUpdateNumIters( double p, double ep, int modelPoints, int maxIters );
77 class CV_EXPORTS LMSolver : public Algorithm
80 class CV_EXPORTS Callback
83 virtual ~Callback() {}
84 virtual bool compute(InputArray param, OutputArray err, OutputArray J) const = 0;
87 virtual void setCallback(const Ptr<LMSolver::Callback>& cb) = 0;
88 virtual int run(InputOutputArray _param0) const = 0;
91 CV_EXPORTS Ptr<LMSolver> createLMSolver(const Ptr<LMSolver::Callback>& cb, int maxIters);
93 class CV_EXPORTS PointSetRegistrator : public Algorithm
96 class CV_EXPORTS Callback
99 virtual ~Callback() {}
100 virtual int runKernel(InputArray m1, InputArray m2, OutputArray model) const = 0;
101 virtual void computeError(InputArray m1, InputArray m2, InputArray model, OutputArray err) const = 0;
102 virtual bool checkSubset(InputArray, InputArray, int) const { return true; }
105 virtual void setCallback(const Ptr<PointSetRegistrator::Callback>& cb) = 0;
106 virtual bool run(InputArray m1, InputArray m2, OutputArray model, OutputArray mask) const = 0;
109 CV_EXPORTS Ptr<PointSetRegistrator> createRANSACPointSetRegistrator(const Ptr<PointSetRegistrator::Callback>& cb,
110 int modelPoints, double threshold,
111 double confidence=0.99, int maxIters=1000 );
113 CV_EXPORTS Ptr<PointSetRegistrator> createLMeDSPointSetRegistrator(const Ptr<PointSetRegistrator::Callback>& cb,
114 int modelPoints, double confidence=0.99, int maxIters=1000 );
116 template<typename T> inline int compressElems( T* ptr, const uchar* mask, int mstep, int count )
119 for( i = j = 0; i < count; i++ )
129 static inline bool haveCollinearPoints( const Mat& m, int count )
131 int j, k, i = count-1;
132 const Point2f* ptr = m.ptr<Point2f>();
134 // check that the i-th selected point does not belong
135 // to a line connecting some previously selected points
136 // also checks that points are not too close to each other
137 for( j = 0; j < i; j++ )
139 double dx1 = ptr[j].x - ptr[i].x;
140 double dy1 = ptr[j].y - ptr[i].y;
141 for( k = 0; k < j; k++ )
143 double dx2 = ptr[k].x - ptr[i].x;
144 double dy2 = ptr[k].y - ptr[i].y;
145 if( fabs(dx2*dy1 - dy2*dx1) <= FLT_EPSILON*(fabs(dx1) + fabs(dy1) + fabs(dx2) + fabs(dy2)))
154 int checkChessboard(const cv::Mat & img, const cv::Size & size);
155 int checkChessboardBinary(const cv::Mat & img, const cv::Size & size);