Update to 2.0.0 tree from current Fremantle build
[opencv] / include / opencv / cv.hpp
diff --git a/include/opencv/cv.hpp b/include/opencv/cv.hpp
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+/*M///////////////////////////////////////////////////////////////////////////////////////
+//
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+//
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+//  copy or use the software.
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+//
+//                           License Agreement
+//                For Open Source Computer Vision Library
+//
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+// Third party copyrights are property of their respective owners.
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+// are permitted provided that the following conditions are met:
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+//     this list of conditions and the following disclaimer.
+//
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+//     this list of conditions and the following disclaimer in the documentation
+//     and/or other materials provided with the distribution.
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+// and on any theory of liability, whether in contract, strict liability,
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+// the use of this software, even if advised of the possibility of such damage.
+//
+//M*/
+
+#ifndef _CV_HPP_
+#define _CV_HPP_
+
+#ifdef __cplusplus
+
+namespace cv
+{
+
+enum { BORDER_REPLICATE=IPL_BORDER_REPLICATE, BORDER_CONSTANT=IPL_BORDER_CONSTANT,
+       BORDER_REFLECT=IPL_BORDER_REFLECT, BORDER_REFLECT_101=IPL_BORDER_REFLECT_101,
+       BORDER_REFLECT101=BORDER_REFLECT_101, BORDER_WRAP=IPL_BORDER_WRAP,
+       BORDER_TRANSPARENT, BORDER_DEFAULT=BORDER_REFLECT_101, BORDER_ISOLATED=16 };
+
+CV_EXPORTS int borderInterpolate( int p, int len, int borderType );
+
+class CV_EXPORTS BaseRowFilter
+{
+public:
+    BaseRowFilter();
+    virtual ~BaseRowFilter();
+    virtual void operator()(const uchar* src, uchar* dst,
+                            int width, int cn) = 0;
+    int ksize, anchor;
+};
+
+
+class CV_EXPORTS BaseColumnFilter
+{
+public:
+    BaseColumnFilter();
+    virtual ~BaseColumnFilter();
+    virtual void operator()(const uchar** src, uchar* dst, int dststep,
+                            int dstcount, int width) = 0;
+    virtual void reset();
+    int ksize, anchor;
+};
+
+
+class CV_EXPORTS BaseFilter
+{
+public:
+    BaseFilter();
+    virtual ~BaseFilter();
+    virtual void operator()(const uchar** src, uchar* dst, int dststep,
+                            int dstcount, int width, int cn) = 0;
+    virtual void reset();
+    Size ksize;
+    Point anchor;
+};
+
+
+class CV_EXPORTS FilterEngine
+{
+public:
+    FilterEngine();
+    FilterEngine(const Ptr<BaseFilter>& _filter2D,
+                 const Ptr<BaseRowFilter>& _rowFilter,
+                 const Ptr<BaseColumnFilter>& _columnFilter,
+                 int srcType, int dstType, int bufType,
+                 int _rowBorderType=BORDER_REPLICATE,
+                 int _columnBorderType=-1,
+                 const Scalar& _borderValue=Scalar());
+    virtual ~FilterEngine();
+    void init(const Ptr<BaseFilter>& _filter2D,
+              const Ptr<BaseRowFilter>& _rowFilter,
+              const Ptr<BaseColumnFilter>& _columnFilter,
+              int srcType, int dstType, int bufType,
+              int _rowBorderType=BORDER_REPLICATE, int _columnBorderType=-1,
+              const Scalar& _borderValue=Scalar());
+    virtual int start(Size wholeSize, Rect roi, int maxBufRows=-1);
+    virtual int start(const Mat& src, const Rect& srcRoi=Rect(0,0,-1,-1),
+                      bool isolated=false, int maxBufRows=-1);
+    virtual int proceed(const uchar* src, int srcStep, int srcCount,
+                        uchar* dst, int dstStep);
+    virtual void apply( const Mat& src, Mat& dst,
+                        const Rect& srcRoi=Rect(0,0,-1,-1),
+                        Point dstOfs=Point(0,0),
+                        bool isolated=false);
+    bool isSeparable() const { return (const BaseFilter*)filter2D == 0; }
+    int remainingInputRows() const;
+    int remainingOutputRows() const;
+    
+    int srcType, dstType, bufType;
+    Size ksize;
+    Point anchor;
+    int maxWidth;
+    Size wholeSize;
+    Rect roi;
+    int dx1, dx2;
+    int rowBorderType, columnBorderType;
+    vector<int> borderTab;
+    int borderElemSize;
+    vector<uchar> ringBuf;
+    vector<uchar> srcRow;
+    vector<uchar> constBorderValue;
+    vector<uchar> constBorderRow;
+    int bufStep, startY, startY0, endY, rowCount, dstY;
+    vector<uchar*> rows;
+    
+    Ptr<BaseFilter> filter2D;
+    Ptr<BaseRowFilter> rowFilter;
+    Ptr<BaseColumnFilter> columnFilter;
+};
+
+enum { KERNEL_GENERAL=0, KERNEL_SYMMETRICAL=1, KERNEL_ASYMMETRICAL=2,
+       KERNEL_SMOOTH=4, KERNEL_INTEGER=8 };
+
+CV_EXPORTS int getKernelType(const Mat& kernel, Point anchor);
+
+CV_EXPORTS Ptr<BaseRowFilter> getLinearRowFilter(int srcType, int bufType,
+                                            const Mat& kernel, int anchor,
+                                            int symmetryType);
+
+CV_EXPORTS Ptr<BaseColumnFilter> getLinearColumnFilter(int bufType, int dstType,
+                                            const Mat& kernel, int anchor,
+                                            int symmetryType, double delta=0,
+                                            int bits=0);
+
+CV_EXPORTS Ptr<BaseFilter> getLinearFilter(int srcType, int dstType,
+                                           const Mat& kernel,
+                                           Point anchor=Point(-1,-1),
+                                           double delta=0, int bits=0);
+
+CV_EXPORTS Ptr<FilterEngine> createSeparableLinearFilter(int srcType, int dstType,
+                          const Mat& rowKernel, const Mat& columnKernel,
+                          Point _anchor=Point(-1,-1), double delta=0,
+                          int _rowBorderType=BORDER_DEFAULT,
+                          int _columnBorderType=-1,
+                          const Scalar& _borderValue=Scalar());
+
+CV_EXPORTS Ptr<FilterEngine> createLinearFilter(int srcType, int dstType,
+                 const Mat& kernel, Point _anchor=Point(-1,-1),
+                 double delta=0, int _rowBorderType=BORDER_DEFAULT,
+                 int _columnBorderType=-1, const Scalar& _borderValue=Scalar());
+
+CV_EXPORTS Mat getGaussianKernel( int ksize, double sigma, int ktype=CV_64F );
+
+CV_EXPORTS Ptr<FilterEngine> createGaussianFilter( int type, Size ksize,
+                                    double sigma1, double sigma2=0,
+                                    int borderType=BORDER_DEFAULT);
+
+CV_EXPORTS void getDerivKernels( Mat& kx, Mat& ky, int dx, int dy, int ksize,
+                                 bool normalize=false, int ktype=CV_32F );
+
+CV_EXPORTS Ptr<FilterEngine> createDerivFilter( int srcType, int dstType,
+                                        int dx, int dy, int ksize,
+                                        int borderType=BORDER_DEFAULT );
+
+CV_EXPORTS Ptr<BaseRowFilter> getRowSumFilter(int srcType, int sumType,
+                                                 int ksize, int anchor=-1);
+CV_EXPORTS Ptr<BaseColumnFilter> getColumnSumFilter(int sumType, int dstType,
+                                                       int ksize, int anchor=-1,
+                                                       double scale=1);
+CV_EXPORTS Ptr<FilterEngine> createBoxFilter( int srcType, int dstType, Size ksize,
+                                                 Point anchor=Point(-1,-1),
+                                                 bool normalize=true,
+                                                 int borderType=BORDER_DEFAULT);
+
+enum { MORPH_ERODE=0, MORPH_DILATE=1, MORPH_OPEN=2, MORPH_CLOSE=3,
+       MORPH_GRADIENT=4, MORPH_TOPHAT=5, MORPH_BLACKHAT=6 };
+
+CV_EXPORTS Ptr<BaseRowFilter> getMorphologyRowFilter(int op, int type, int ksize, int anchor=-1);
+CV_EXPORTS Ptr<BaseColumnFilter> getMorphologyColumnFilter(int op, int type, int ksize, int anchor=-1);
+CV_EXPORTS Ptr<BaseFilter> getMorphologyFilter(int op, int type, const Mat& kernel,
+                                               Point anchor=Point(-1,-1));
+
+static inline Scalar morphologyDefaultBorderValue() { return Scalar::all(DBL_MAX); }
+
+CV_EXPORTS Ptr<FilterEngine> createMorphologyFilter(int op, int type, const Mat& kernel,
+                    Point anchor=Point(-1,-1), int _rowBorderType=BORDER_CONSTANT,
+                    int _columnBorderType=-1,
+                    const Scalar& _borderValue=morphologyDefaultBorderValue());
+
+enum { MORPH_RECT=0, MORPH_CROSS=1, MORPH_ELLIPSE=2 };
+CV_EXPORTS Mat getStructuringElement(int shape, Size ksize, Point anchor=Point(-1,-1));
+
+CV_EXPORTS void copyMakeBorder( const Mat& src, Mat& dst,
+                                int top, int bottom, int left, int right,
+                                int borderType, const Scalar& value=Scalar() );
+
+CV_EXPORTS void medianBlur( const Mat& src, Mat& dst, int ksize );
+CV_EXPORTS void GaussianBlur( const Mat& src, Mat& dst, Size ksize,
+                              double sigma1, double sigma2=0,
+                              int borderType=BORDER_DEFAULT );
+CV_EXPORTS void bilateralFilter( const Mat& src, Mat& dst, int d,
+                                 double sigmaColor, double sigmaSpace,
+                                 int borderType=BORDER_DEFAULT );
+CV_EXPORTS void boxFilter( const Mat& src, Mat& dst, int ddepth,
+                           Size ksize, Point anchor=Point(-1,-1),
+                           bool normalize=true,
+                           int borderType=BORDER_DEFAULT );
+static inline void blur( const Mat& src, Mat& dst,
+                         Size ksize, Point anchor=Point(-1,-1),
+                         int borderType=BORDER_DEFAULT )
+{
+    boxFilter( src, dst, -1, ksize, anchor, true, borderType );
+}
+
+CV_EXPORTS void filter2D( const Mat& src, Mat& dst, int ddepth,
+                          const Mat& kernel, Point anchor=Point(-1,-1),
+                          double delta=0, int borderType=BORDER_DEFAULT );
+
+CV_EXPORTS void sepFilter2D( const Mat& src, Mat& dst, int ddepth,
+                             const Mat& kernelX, const Mat& kernelY,
+                             Point anchor=Point(-1,-1),
+                             double delta=0, int borderType=BORDER_DEFAULT );
+
+CV_EXPORTS void Sobel( const Mat& src, Mat& dst, int ddepth,
+                       int dx, int dy, int ksize=3,
+                       double scale=1, double delta=0,
+                       int borderType=BORDER_DEFAULT );
+
+CV_EXPORTS void Scharr( const Mat& src, Mat& dst, int ddepth,
+                        int dx, int dy, double scale=1, double delta=0,
+                        int borderType=BORDER_DEFAULT );
+
+CV_EXPORTS void Laplacian( const Mat& src, Mat& dst, int ddepth,
+                           int ksize=1, double scale=1, double delta=0,
+                           int borderType=BORDER_DEFAULT );
+
+CV_EXPORTS void Canny( const Mat& image, Mat& edges,
+                       double threshold1, double threshold2,
+                       int apertureSize=3, bool L2gradient=false );
+
+CV_EXPORTS void cornerMinEigenVal( const Mat& src, Mat& dst,
+                                   int blockSize, int ksize=3,
+                                   int borderType=BORDER_DEFAULT );
+
+CV_EXPORTS void cornerHarris( const Mat& src, Mat& dst, int blockSize,
+                              int ksize, double k,
+                              int borderType=BORDER_DEFAULT );
+
+CV_EXPORTS void cornerEigenValsAndVecs( const Mat& src, Mat& dst,
+                                        int blockSize, int ksize,
+                                        int borderType=BORDER_DEFAULT );
+
+CV_EXPORTS void preCornerDetect( const Mat& src, Mat& dst, int ksize,
+                                 int borderType=BORDER_DEFAULT );
+
+CV_EXPORTS void cornerSubPix( const Mat& image, vector<Point2f>& corners,
+                              Size winSize, Size zeroZone,
+                              TermCriteria criteria );
+
+CV_EXPORTS void goodFeaturesToTrack( const Mat& image, vector<Point2f>& corners,
+                                     int maxCorners, double qualityLevel, double minDistance,
+                                     const Mat& mask=Mat(), int blockSize=3,
+                                     bool useHarrisDetector=false, double k=0.04 );
+
+CV_EXPORTS void HoughLines( const Mat& image, vector<Vec2f>& lines,
+                            double rho, double theta, int threshold,
+                            double srn=0, double stn=0 );
+
+CV_EXPORTS void HoughLinesP( Mat& image, vector<Vec4i>& lines,
+                             double rho, double theta, int threshold,
+                             double minLineLength=0, double maxLineGap=0 );
+
+CV_EXPORTS void HoughCircles( const Mat& image, vector<Vec3f>& circles,
+                              int method, double dp, double minDist,
+                              double param1=100, double param2=100,
+                              int minRadius=0, int maxRadius=0 );
+
+CV_EXPORTS void erode( const Mat& src, Mat& dst, const Mat& kernel,
+                       Point anchor=Point(-1,-1), int iterations=1,
+                       int borderType=BORDER_CONSTANT,
+                       const Scalar& borderValue=morphologyDefaultBorderValue() );
+CV_EXPORTS void dilate( const Mat& src, Mat& dst, const Mat& kernel,
+                        Point anchor=Point(-1,-1), int iterations=1,
+                        int borderType=BORDER_CONSTANT,
+                        const Scalar& borderValue=morphologyDefaultBorderValue() );
+CV_EXPORTS void morphologyEx( const Mat& src, Mat& dst, int op, const Mat& kernel,
+                              Point anchor=Point(-1,-1), int iterations=1,
+                              int borderType=BORDER_CONSTANT,
+                              const Scalar& borderValue=morphologyDefaultBorderValue() );
+
+enum { INTER_NEAREST=0, INTER_LINEAR=1, INTER_CUBIC=2, INTER_AREA=3,
+       INTER_LANCZOS4=4, INTER_MAX=7, WARP_INVERSE_MAP=16 };
+
+CV_EXPORTS void resize( const Mat& src, Mat& dst,
+                        Size dsize=Size(), double fx=0, double fy=0,
+                        int interpolation=INTER_LINEAR );
+
+CV_EXPORTS void warpAffine( const Mat& src, Mat& dst,
+                            const Mat& M, Size dsize,
+                            int flags=INTER_LINEAR,
+                            int borderMode=BORDER_CONSTANT,
+                            const Scalar& borderValue=Scalar());
+CV_EXPORTS void warpPerspective( const Mat& src, Mat& dst,
+                                 const Mat& M, Size dsize,
+                                 int flags=INTER_LINEAR,
+                                 int borderMode=BORDER_CONSTANT,
+                                 const Scalar& borderValue=Scalar());
+
+CV_EXPORTS void remap( const Mat& src, Mat& dst, const Mat& map1, const Mat& map2,
+                       int interpolation, int borderMode=BORDER_CONSTANT,
+                       const Scalar& borderValue=Scalar());
+
+CV_EXPORTS void convertMaps( const Mat& map1, const Mat& map2, Mat& dstmap1, Mat& dstmap2,
+                             int dstmap1type, bool nninterpolation=false );
+
+CV_EXPORTS Mat getRotationMatrix2D( Point2f center, double angle, double scale );
+CV_EXPORTS Mat getPerspectiveTransform( const Point2f src[], const Point2f dst[] );
+CV_EXPORTS Mat getAffineTransform( const Point2f src[], const Point2f dst[] );
+CV_EXPORTS void invertAffineTransform(const Mat& M, Mat& iM);
+
+CV_EXPORTS void getRectSubPix( const Mat& image, Size patchSize,
+                               Point2f center, Mat& patch, int patchType=-1 );
+
+CV_EXPORTS void integral( const Mat& src, Mat& sum, int sdepth=-1 );
+CV_EXPORTS void integral( const Mat& src, Mat& sum, Mat& sqsum, int sdepth=-1 );
+CV_EXPORTS void integral( const Mat& src, Mat& sum, Mat& sqsum, Mat& tilted, int sdepth=-1 );
+
+CV_EXPORTS void accumulate( const Mat& src, Mat& dst, const Mat& mask=Mat() );
+CV_EXPORTS void accumulateSquare( const Mat& src, Mat& dst, const Mat& mask=Mat() );
+CV_EXPORTS void accumulateProduct( const Mat& src1, const Mat& src2,
+                                   Mat& dst, const Mat& mask=Mat() );
+CV_EXPORTS void accumulateWeighted( const Mat& src, Mat& dst,
+                                    double alpha, const Mat& mask=Mat() );
+
+enum { THRESH_BINARY=0, THRESH_BINARY_INV=1, THRESH_TRUNC=2, THRESH_TOZERO=3,
+       THRESH_TOZERO_INV=4, THRESH_MASK=7, THRESH_OTSU=8 };
+
+CV_EXPORTS double threshold( const Mat& src, Mat& dst, double thresh, double maxval, int type );
+
+enum { ADAPTIVE_THRESH_MEAN_C=0, ADAPTIVE_THRESH_GAUSSIAN_C=1 };
+
+CV_EXPORTS void adaptiveThreshold( const Mat& src, Mat& dst, double maxValue,
+                                   int adaptiveMethod, int thresholdType,
+                                   int blockSize, double C );
+
+CV_EXPORTS void pyrDown( const Mat& src, Mat& dst, const Size& dstsize=Size());
+CV_EXPORTS void pyrUp( const Mat& src, Mat& dst, const Size& dstsize=Size());
+CV_EXPORTS void buildPyramid( const Mat& src, vector<Mat>& dst, int maxlevel );
+
+
+CV_EXPORTS void undistort( const Mat& src, Mat& dst, const Mat& cameraMatrix,
+                           const Mat& distCoeffs, const Mat& newCameraMatrix=Mat() );
+CV_EXPORTS void initUndistortRectifyMap( const Mat& cameraMatrix, const Mat& distCoeffs,
+                           const Mat& R, const Mat& newCameraMatrix,
+                           Size size, int m1type, Mat& map1, Mat& map2 );
+CV_EXPORTS Mat getDefaultNewCameraMatrix( const Mat& cameraMatrix, Size imgsize=Size(),
+                                          bool centerPrincipalPoint=false );
+
+enum { OPTFLOW_USE_INITIAL_FLOW=4, OPTFLOW_FARNEBACK_GAUSSIAN=256 };
+
+CV_EXPORTS void calcOpticalFlowPyrLK( const Mat& prevImg, const Mat& nextImg,
+                           const vector<Point2f>& prevPts, vector<Point2f>& nextPts,
+                           vector<uchar>& status, vector<float>& err,
+                           Size winSize=Size(15,15), int maxLevel=3,
+                           TermCriteria criteria=TermCriteria(
+                            TermCriteria::COUNT+TermCriteria::EPS,
+                            30, 0.01),
+                           double derivLambda=0.5,
+                           int flags=0 );
+
+CV_EXPORTS void calcOpticalFlowFarneback( const Mat& prev0, const Mat& next0,
+                               Mat& flow0, double pyr_scale, int levels, int winsize,
+                               int iterations, int poly_n, double poly_sigma, int flags );
+    
+
+template<> inline void Ptr<CvHistogram>::delete_obj()
+{ cvReleaseHist(&obj); }
+    
+CV_EXPORTS void calcHist( const Mat* images, int nimages,
+                          const int* channels, const Mat& mask,
+                          MatND& hist, int dims, const int* histSize,
+                          const float** ranges, bool uniform=true,
+                          bool accumulate=false );
+
+CV_EXPORTS void calcHist( const Mat* images, int nimages,
+                          const int* channels, const Mat& mask,
+                          SparseMat& hist, int dims, const int* histSize,
+                          const float** ranges, bool uniform=true,
+                          bool accumulate=false );
+    
+CV_EXPORTS void calcBackProject( const Mat* images, int nimages,
+                                 const int* channels, const MatND& hist,
+                                 Mat& backProject, const float** ranges,
+                                 double scale=1, bool uniform=true );
+    
+CV_EXPORTS void calcBackProject( const Mat* images, int nimages,
+                                 const int* channels, const SparseMat& hist,
+                                 Mat& backProject, const float** ranges,
+                                 double scale=1, bool uniform=true );
+
+CV_EXPORTS double compareHist( const MatND& H1, const MatND& H2, int method );
+
+CV_EXPORTS double compareHist( const SparseMat& H1, const SparseMat& H2, int method );
+
+CV_EXPORTS void equalizeHist( const Mat& src, Mat& dst );
+
+CV_EXPORTS void watershed( const Mat& image, Mat& markers );
+
+enum { INPAINT_NS=CV_INPAINT_NS, INPAINT_TELEA=CV_INPAINT_TELEA };
+
+CV_EXPORTS void inpaint( const Mat& src, const Mat& inpaintMask,
+                         Mat& dst, double inpaintRange, int flags );
+
+CV_EXPORTS void distanceTransform( const Mat& src, Mat& dst, Mat& labels,
+                                   int distanceType, int maskSize );
+
+CV_EXPORTS void distanceTransform( const Mat& src, Mat& dst,
+                                   int distanceType, int maskSize );
+
+enum { FLOODFILL_FIXED_RANGE = 1 << 16,
+       FLOODFILL_MASK_ONLY = 1 << 17 };
+
+CV_EXPORTS int floodFill( Mat& image,
+                          Point seedPoint, Scalar newVal, Rect* rect=0,
+                          Scalar loDiff=Scalar(), Scalar upDiff=Scalar(),
+                          int flags=4 );
+
+CV_EXPORTS int floodFill( Mat& image, Mat& mask,
+                          Point seedPoint, Scalar newVal, Rect* rect=0,
+                          Scalar loDiff=Scalar(), Scalar upDiff=Scalar(),
+                          int flags=4 );
+
+CV_EXPORTS void cvtColor( const Mat& src, Mat& dst, int code, int dstCn=0 );
+
+class CV_EXPORTS Moments
+{
+public:
+    Moments();
+    Moments(double m00, double m10, double m01, double m20, double m11,
+            double m02, double m30, double m21, double m12, double m03 );
+    Moments( const CvMoments& moments );
+    operator CvMoments() const;
+    
+    double  m00, m10, m01, m20, m11, m02, m30, m21, m12, m03; // spatial moments
+    double  mu20, mu11, mu02, mu30, mu21, mu12, mu03; // central moments
+    double  nu20, nu11, nu02, nu30, nu21, nu12, nu03; // central normalized moments
+};
+
+CV_EXPORTS Moments moments( const Mat& array, bool binaryImage=false );
+
+CV_EXPORTS void HuMoments( const Moments& moments, double hu[7] );
+
+enum { TM_SQDIFF=CV_TM_SQDIFF, TM_SQDIFF_NORMED=CV_TM_SQDIFF_NORMED,
+       TM_CCORR=CV_TM_CCORR, TM_CCORR_NORMED=CV_TM_CCORR_NORMED,
+       TM_CCOEFF=CV_TM_CCOEFF, TM_CCOEFF_NORMED=CV_TM_CCOEFF_NORMED };
+
+CV_EXPORTS void matchTemplate( const Mat& image, const Mat& templ, Mat& result, int method );
+
+enum { RETR_EXTERNAL=CV_RETR_EXTERNAL, RETR_LIST=CV_RETR_LIST,
+       RETR_CCOMP=CV_RETR_CCOMP, RETR_TREE=CV_RETR_TREE };
+
+enum { CHAIN_APPROX_NONE=CV_CHAIN_APPROX_NONE,
+       CHAIN_APPROX_SIMPLE=CV_CHAIN_APPROX_SIMPLE,
+       CHAIN_APPROX_TC89_L1=CV_CHAIN_APPROX_TC89_L1,
+       CHAIN_APPROX_TC89_KCOS=CV_CHAIN_APPROX_TC89_KCOS };
+
+CV_EXPORTS void findContours( const Mat& image, vector<vector<Point> >& contours,
+                              vector<Vec4i>& hierarchy, int mode,
+                              int method, Point offset=Point());
+
+CV_EXPORTS void findContours( const Mat& image, vector<vector<Point> >& contours,
+                              int mode, int method, Point offset=Point());
+
+CV_EXPORTS void drawContours( Mat& image, const vector<vector<Point> >& contours,
+                              int contourIdx, const Scalar& color,
+                              int thickness=1, int lineType=8,
+                              const vector<Vec4i>& hierarchy=vector<Vec4i>(),
+                              int maxLevel=INT_MAX, Point offset=Point() );
+
+CV_EXPORTS void approxPolyDP( const Mat& curve,
+                              vector<Point>& approxCurve,
+                              double epsilon, bool closed );
+CV_EXPORTS void approxPolyDP( const Mat& curve,
+                              vector<Point2f>& approxCurve,
+                              double epsilon, bool closed );
+    
+CV_EXPORTS double arcLength( const Mat& curve, bool closed );
+CV_EXPORTS Rect boundingRect( const Mat& points );
+CV_EXPORTS double contourArea( const Mat& contour );    
+CV_EXPORTS RotatedRect minAreaRect( const Mat& points );
+CV_EXPORTS void minEnclosingCircle( const Mat& points,
+                                    Point2f& center, float& radius );    
+CV_EXPORTS double matchShapes( const Mat& contour1,
+                               const Mat& contour2,
+                               int method, double parameter );
+    
+CV_EXPORTS void convexHull( const Mat& points, vector<int>& hull, bool clockwise=false );
+CV_EXPORTS void convexHull( const Mat& points, vector<Point>& hull, bool clockwise=false );
+CV_EXPORTS void convexHull( const Mat& points, vector<Point2f>& hull, bool clockwise=false );
+
+CV_EXPORTS bool isContourConvex( const Mat& contour );
+
+CV_EXPORTS RotatedRect fitEllipse( const Mat& points );
+
+CV_EXPORTS void fitLine( const Mat& points, Vec4f& line, int distType,
+                         double param, double reps, double aeps );
+CV_EXPORTS void fitLine( const Mat& points, Vec6f& line, int distType,
+                         double param, double reps, double aeps );
+
+CV_EXPORTS double pointPolygonTest( const Mat& contour,
+                                    Point2f pt, bool measureDist );
+
+CV_EXPORTS Mat estimateRigidTransform( const Mat& A, const Mat& B,
+                                       bool fullAffine );
+
+CV_EXPORTS void updateMotionHistory( const Mat& silhouette, Mat& mhi,
+                                     double timestamp, double duration );
+
+CV_EXPORTS void calcMotionGradient( const Mat& mhi, Mat& mask,
+                                    Mat& orientation,
+                                    double delta1, double delta2,
+                                    int apertureSize=3 );
+
+CV_EXPORTS double calcGlobalOrientation( const Mat& orientation, const Mat& mask,
+                                         const Mat& mhi, double timestamp,
+                                         double duration );
+// TODO: need good API for cvSegmentMotion
+
+CV_EXPORTS RotatedRect CamShift( const Mat& probImage, Rect& window,
+                                 TermCriteria criteria );
+
+CV_EXPORTS int meanShift( const Mat& probImage, Rect& window,
+                          TermCriteria criteria );
+
+CV_EXPORTS int estimateAffine3D(const Mat& from, const Mat& to, Mat& out,
+                                vector<uchar>& outliers,
+                                double param1 = 3.0, double param2 = 0.99);
+
+class CV_EXPORTS KalmanFilter
+{
+public:
+    KalmanFilter();
+    KalmanFilter(int dynamParams, int measureParams, int controlParams=0);
+    void init(int dynamParams, int measureParams, int controlParams=0);
+
+    const Mat& predict(const Mat& control=Mat());
+    const Mat& correct(const Mat& measurement);
+
+    Mat statePre;           // predicted state (x'(k)):
+                            //    x(k)=A*x(k-1)+B*u(k)
+    Mat statePost;          // corrected state (x(k)):
+                            //    x(k)=x'(k)+K(k)*(z(k)-H*x'(k))
+    Mat transitionMatrix;   // state transition matrix (A)
+    Mat controlMatrix;      // control matrix (B)
+                            //   (it is not used if there is no control)
+    Mat measurementMatrix;  // measurement matrix (H)
+    Mat processNoiseCov;    // process noise covariance matrix (Q)
+    Mat measurementNoiseCov;// measurement noise covariance matrix (R)
+    Mat errorCovPre;        // priori error estimate covariance matrix (P'(k)):
+                            //    P'(k)=A*P(k-1)*At + Q)*/
+    Mat gain;               // Kalman gain matrix (K(k)):
+                            //    K(k)=P'(k)*Ht*inv(H*P'(k)*Ht+R)
+    Mat errorCovPost;       // posteriori error estimate covariance matrix (P(k)):
+                            //    P(k)=(I-K(k)*H)*P'(k)
+    Mat temp1;              // temporary matrices
+    Mat temp2;
+    Mat temp3;
+    Mat temp4;
+    Mat temp5;
+};
+
+
+///////////////////////////// Object Detection ////////////////////////////
+
+CV_EXPORTS void groupRectangles(vector<Rect>& rectList, int groupThreshold, double eps=0.2);
+        
+class CV_EXPORTS FeatureEvaluator
+{
+public:    
+    enum { HAAR = 0, LBP = 1 };
+    virtual ~FeatureEvaluator();
+    virtual bool read(const FileNode& node);
+    virtual Ptr<FeatureEvaluator> clone() const;
+    virtual int getFeatureType() const;
+    
+    virtual bool setImage(const Mat&, Size origWinSize);
+    virtual bool setWindow(Point p);
+
+    virtual double calcOrd(int featureIdx) const;
+    virtual int calcCat(int featureIdx) const;
+
+    static Ptr<FeatureEvaluator> create(int type);
+};
+    
+template<> inline void Ptr<CvHaarClassifierCascade>::delete_obj()
+{ cvReleaseHaarClassifierCascade(&obj); }    
+   
+class CV_EXPORTS CascadeClassifier
+{
+public:
+    struct CV_EXPORTS DTreeNode
+    {
+        int featureIdx;
+        float threshold; // for ordered features only
+        int left;
+        int right;
+    };
+    
+    struct CV_EXPORTS DTree
+    {
+        int nodeCount;
+    };
+    
+    struct CV_EXPORTS Stage
+    {
+        int first;
+        int ntrees;
+        float threshold;
+    };
+    
+    enum { BOOST = 0 };
+    enum { DO_CANNY_PRUNING = CV_HAAR_DO_CANNY_PRUNING,
+           SCALE_IMAGE = CV_HAAR_SCALE_IMAGE,
+           FIND_BIGGEST_OBJECT = CV_HAAR_FIND_BIGGEST_OBJECT,
+           DO_ROUGH_SEARCH = CV_HAAR_DO_ROUGH_SEARCH };
+
+    CascadeClassifier();
+    CascadeClassifier(const string& filename);
+    ~CascadeClassifier();
+    
+    bool empty() const;
+    bool load(const string& filename);
+    bool read(const FileNode& node);
+    void detectMultiScale( const Mat& image,
+                           vector<Rect>& objects,
+                           double scaleFactor=1.1,
+                           int minNeighbors=3, int flags=0,
+                           Size minSize=Size());
+    bool setImage( Ptr<FeatureEvaluator>&, const Mat& );
+    int runAt( Ptr<FeatureEvaluator>&, Point );
+
+    bool is_stump_based;
+
+    int stageType;
+    int featureType;
+    int ncategories;
+    Size origWinSize;
+    
+    vector<Stage> stages;
+    vector<DTree> classifiers;
+    vector<DTreeNode> nodes;
+    vector<float> leaves;
+    vector<int> subsets;
+
+    Ptr<FeatureEvaluator> feval;
+    Ptr<CvHaarClassifierCascade> oldCascade;
+};
+
+    
+CV_EXPORTS void undistortPoints( const Mat& src, vector<Point2f>& dst,
+                                 const Mat& cameraMatrix, const Mat& distCoeffs,
+                                 const Mat& R=Mat(), const Mat& P=Mat());
+CV_EXPORTS void undistortPoints( const Mat& src, Mat& dst,
+                                 const Mat& cameraMatrix, const Mat& distCoeffs,
+                                 const Mat& R=Mat(), const Mat& P=Mat());
+
+CV_EXPORTS void Rodrigues(const Mat& src, Mat& dst);
+CV_EXPORTS void Rodrigues(const Mat& src, Mat& dst, Mat& jacobian);
+
+enum { LMEDS=4, RANSAC=8 };
+
+CV_EXPORTS Mat findHomography( const Mat& srcPoints,
+                               const Mat& dstPoints,
+                               Mat& mask, int method=0,
+                               double ransacReprojThreshold=0 );
+    
+CV_EXPORTS Mat findHomography( const Mat& srcPoints,
+                               const Mat& dstPoints,
+                               vector<uchar>& mask, int method=0,
+                               double ransacReprojThreshold=0 );
+
+CV_EXPORTS Mat findHomography( const Mat& srcPoints,
+                               const Mat& dstPoints,
+                               int method=0, double ransacReprojThreshold=0 );
+
+/* Computes RQ decomposition for 3x3 matrices */
+CV_EXPORTS void RQDecomp3x3( const Mat& M, Mat& R, Mat& Q );
+CV_EXPORTS Vec3d RQDecomp3x3( const Mat& M, Mat& R, Mat& Q,
+                              Mat& Qx, Mat& Qy, Mat& Qz );
+
+CV_EXPORTS void decomposeProjectionMatrix( const Mat& projMatrix, Mat& cameraMatrix,
+                                           Mat& rotMatrix, Mat& transVect );
+CV_EXPORTS void decomposeProjectionMatrix( const Mat& projMatrix, Mat& cameraMatrix,
+                                           Mat& rotMatrix, Mat& transVect,
+                                           Mat& rotMatrixX, Mat& rotMatrixY,
+                                           Mat& rotMatrixZ, Vec3d& eulerAngles );
+
+CV_EXPORTS void matMulDeriv( const Mat& A, const Mat& B, Mat& dABdA, Mat& dABdB );
+
+CV_EXPORTS void composeRT( const Mat& rvec1, const Mat& tvec1,
+                           const Mat& rvec2, const Mat& tvec2,
+                           Mat& rvec3, Mat& tvec3 );
+
+CV_EXPORTS void composeRT( const Mat& rvec1, const Mat& tvec1,
+                           const Mat& rvec2, const Mat& tvec2,
+                           Mat& rvec3, Mat& tvec3,
+                           Mat& dr3dr1, Mat& dr3dt1,
+                           Mat& dr3dr2, Mat& dr3dt2,
+                           Mat& dt3dr1, Mat& dt3dt1,
+                           Mat& dt3dr2, Mat& dt3dt2 );
+
+CV_EXPORTS void projectPoints( const Mat& objectPoints,
+                               const Mat& rvec, const Mat& tvec,
+                               const Mat& cameraMatrix,
+                               const Mat& distCoeffs,
+                               vector<Point2f>& imagePoints );
+
+CV_EXPORTS void projectPoints( const Mat& objectPoints,
+                               const Mat& rvec, const Mat& tvec,
+                               const Mat& cameraMatrix,
+                               const Mat& distCoeffs,
+                               vector<Point2f>& imagePoints,
+                               Mat& dpdrot, Mat& dpdt, Mat& dpdf,
+                               Mat& dpdc, Mat& dpddist,
+                               double aspectRatio=0 );
+
+CV_EXPORTS void solvePnP( const Mat& objectPoints,
+                          const Mat& imagePoints,
+                          const Mat& cameraMatrix,
+                          const Mat& distCoeffs,
+                          Mat& rvec, Mat& tvec,
+                          bool useExtrinsicGuess=false );
+
+CV_EXPORTS Mat initCameraMatrix2D( const vector<vector<Point3f> >& objectPoints,
+                                   const vector<vector<Point2f> >& imagePoints,
+                                   Size imageSize, double aspectRatio=1. );
+
+enum { CALIB_CB_ADAPTIVE_THRESH = CV_CALIB_CB_ADAPTIVE_THRESH,
+       CALIB_CB_NORMALIZE_IMAGE = CV_CALIB_CB_NORMALIZE_IMAGE,
+       CALIB_CB_FILTER_QUADS = CV_CALIB_CB_FILTER_QUADS };
+
+CV_EXPORTS bool findChessboardCorners( const Mat& image, Size patternSize,
+                                       vector<Point2f>& corners,
+                                       int flags=CV_CALIB_CB_ADAPTIVE_THRESH+
+                                            CV_CALIB_CB_NORMALIZE_IMAGE );
+
+CV_EXPORTS void drawChessboardCorners( Mat& image, Size patternSize,
+                                       const Mat& corners,
+                                       bool patternWasFound );
+
+enum
+{
+    CALIB_USE_INTRINSIC_GUESS = CV_CALIB_USE_INTRINSIC_GUESS,
+    CALIB_FIX_ASPECT_RATIO = CV_CALIB_FIX_ASPECT_RATIO,
+    CALIB_FIX_PRINCIPAL_POINT = CV_CALIB_FIX_PRINCIPAL_POINT,
+    CALIB_ZERO_TANGENT_DIST = CV_CALIB_ZERO_TANGENT_DIST,
+    CALIB_FIX_FOCAL_LENGTH = CV_CALIB_FIX_FOCAL_LENGTH,
+    CALIB_FIX_K1 = CV_CALIB_FIX_K1,
+    CALIB_FIX_K2 = CV_CALIB_FIX_K2,
+    CALIB_FIX_K3 = CV_CALIB_FIX_K3,
+    // only for stereo
+    CALIB_FIX_INTRINSIC = CV_CALIB_FIX_INTRINSIC,
+    CALIB_SAME_FOCAL_LENGTH = CV_CALIB_SAME_FOCAL_LENGTH,
+    // for stereo rectification
+    CALIB_ZERO_DISPARITY = CV_CALIB_ZERO_DISPARITY
+};
+
+CV_EXPORTS void calibrateCamera( const vector<vector<Point3f> >& objectPoints,
+                                 const vector<vector<Point2f> >& imagePoints,
+                                 Size imageSize,
+                                 Mat& cameraMatrix, Mat& distCoeffs,
+                                 vector<Mat>& rvecs, vector<Mat>& tvecs,
+                                 int flags=0 );
+
+CV_EXPORTS void calibrationMatrixValues( const Mat& cameraMatrix,
+                                Size imageSize,
+                                double apertureWidth,
+                                double apertureHeight,
+                                double& fovx,
+                                double& fovy,
+                                double& focalLength,
+                                Point2d& principalPoint,
+                                double& aspectRatio );
+
+CV_EXPORTS void stereoCalibrate( const vector<vector<Point3f> >& objectPoints,
+                                 const vector<vector<Point2f> >& imagePoints1,
+                                 const vector<vector<Point2f> >& imagePoints2,
+                                 Mat& cameraMatrix1, Mat& distCoeffs1,
+                                 Mat& cameraMatrix2, Mat& distCoeffs2,
+                                 Size imageSize, Mat& R, Mat& T,
+                                 Mat& E, Mat& F,
+                                 TermCriteria criteria = TermCriteria(TermCriteria::COUNT+
+                                    TermCriteria::EPS, 30, 1e-6),
+                                 int flags=CALIB_FIX_INTRINSIC );
+
+CV_EXPORTS void stereoRectify( const Mat& cameraMatrix1, const Mat& distCoeffs1,
+                               const Mat& cameraMatrix2, const Mat& distCoeffs2,
+                               Size imageSize, const Mat& R, const Mat& T,
+                               Mat& R1, Mat& R2, Mat& P1, Mat& P2, Mat& Q,
+                               int flags=CALIB_ZERO_DISPARITY );
+
+CV_EXPORTS bool stereoRectifyUncalibrated( const Mat& points1,
+                                           const Mat& points2,
+                                           const Mat& F, Size imgSize,
+                                           Mat& H1, Mat& H2,
+                                           double threshold=5 );
+
+CV_EXPORTS void convertPointsHomogeneous( const Mat& src, vector<Point3f>& dst );
+CV_EXPORTS void convertPointsHomogeneous( const Mat& src, vector<Point2f>& dst );
+
+enum
+{ 
+    FM_7POINT = CV_FM_7POINT,
+    FM_8POINT = CV_FM_8POINT,
+    FM_LMEDS = CV_FM_LMEDS,
+    FM_RANSAC = CV_FM_RANSAC
+};
+
+CV_EXPORTS Mat findFundamentalMat( const Mat& points1, const Mat& points2,
+                                   vector<uchar>& mask, int method=FM_RANSAC,
+                                   double param1=3., double param2=0.99 );
+
+CV_EXPORTS Mat findFundamentalMat( const Mat& points1, const Mat& points2,
+                                   int method=FM_RANSAC,
+                                   double param1=3., double param2=0.99 );
+
+CV_EXPORTS void computeCorrespondEpilines( const Mat& points1,
+                                           int whichImage, const Mat& F,
+                                           vector<Vec3f>& lines );
+
+template<> inline void Ptr<CvStereoBMState>::delete_obj()
+{ cvReleaseStereoBMState(&obj); }
+
+// Block matching stereo correspondence algorithm
+class CV_EXPORTS StereoBM
+{
+public:
+    enum { NORMALIZED_RESPONSE = CV_STEREO_BM_NORMALIZED_RESPONSE,
+        BASIC_PRESET=CV_STEREO_BM_BASIC,
+        FISH_EYE_PRESET=CV_STEREO_BM_FISH_EYE,
+        NARROW_PRESET=CV_STEREO_BM_NARROW };
+    
+    StereoBM();
+    StereoBM(int preset, int ndisparities=0, int SADWindowSize=21);
+    void init(int preset, int ndisparities=0, int SADWindowSize=21);
+    void operator()( const Mat& left, const Mat& right, Mat& disparity );
+
+    Ptr<CvStereoBMState> state;
+};
+
+CV_EXPORTS void reprojectImageTo3D( const Mat& disparity,
+                                    Mat& _3dImage, const Mat& Q,
+                                    bool handleMissingValues=false );
+
+class CV_EXPORTS KeyPoint
+{
+public:    
+    KeyPoint() : pt(0,0), size(0), angle(-1), response(0), octave(0), class_id(-1) {}
+    KeyPoint(Point2f _pt, float _size, float _angle=-1,
+            float _response=0, int _octave=0, int _class_id=-1)
+            : pt(_pt), size(_size), angle(_angle),
+            response(_response), octave(_octave), class_id(_class_id) {}
+    KeyPoint(float x, float y, float _size, float _angle=-1,
+            float _response=0, int _octave=0, int _class_id=-1)
+            : pt(x, y), size(_size), angle(_angle),
+            response(_response), octave(_octave), class_id(_class_id) {}
+    
+    Point2f pt;
+    float size;
+    float angle;
+    float response;
+    int octave;
+    int class_id;
+};
+
+CV_EXPORTS void write(FileStorage& fs, const string& name, const vector<KeyPoint>& keypoints);
+CV_EXPORTS void read(const FileNode& node, vector<KeyPoint>& keypoints);    
+
+class CV_EXPORTS SURF : public CvSURFParams
+{
+public:
+    SURF();
+    SURF(double _hessianThreshold, int _nOctaves=4,
+         int _nOctaveLayers=2, bool _extended=false);
+
+    int descriptorSize() const;
+    void operator()(const Mat& img, const Mat& mask,
+                    vector<KeyPoint>& keypoints) const;
+    void operator()(const Mat& img, const Mat& mask,
+                    vector<KeyPoint>& keypoints,
+                    vector<float>& descriptors,
+                    bool useProvidedKeypoints=false) const;
+};
+
+
+class CV_EXPORTS MSER : public CvMSERParams
+{
+public:
+    MSER();
+    MSER( int _delta, int _min_area, int _max_area,
+          float _max_variation, float _min_diversity,
+          int _max_evolution, double _area_threshold,
+          double _min_margin, int _edge_blur_size );
+    void operator()(Mat& image, vector<vector<Point> >& msers, const Mat& mask) const;
+};
+
+
+class CV_EXPORTS StarDetector : CvStarDetectorParams
+{
+public:
+    StarDetector();
+    StarDetector(int _maxSize, int _responseThreshold,
+                 int _lineThresholdProjected,
+                 int _lineThresholdBinarized,
+                 int _suppressNonmaxSize);
+
+    void operator()(const Mat& image, vector<KeyPoint>& keypoints) const;
+};
+    
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////
+
+class CV_EXPORTS CvLevMarq
+{
+public:
+    CvLevMarq();
+    CvLevMarq( int nparams, int nerrs, CvTermCriteria criteria=
+        cvTermCriteria(CV_TERMCRIT_EPS+CV_TERMCRIT_ITER,30,DBL_EPSILON),
+        bool completeSymmFlag=false );
+    ~CvLevMarq();
+    void init( int nparams, int nerrs, CvTermCriteria criteria=
+        cvTermCriteria(CV_TERMCRIT_EPS+CV_TERMCRIT_ITER,30,DBL_EPSILON),
+        bool completeSymmFlag=false );
+    bool update( const CvMat*& param, CvMat*& J, CvMat*& err );
+    bool updateAlt( const CvMat*& param, CvMat*& JtJ, CvMat*& JtErr, double*& errNorm );
+
+    void clear();
+    void step();
+    enum { DONE=0, STARTED=1, CALC_J=2, CHECK_ERR=3 };
+
+    CvMat* mask;
+    CvMat* prevParam;
+    CvMat* param;
+    CvMat* J;
+    CvMat* err;
+    CvMat* JtJ;
+    CvMat* JtJN;
+    CvMat* JtErr;
+    CvMat* JtJV;
+    CvMat* JtJW;
+    double prevErrNorm, errNorm;
+    int lambdaLg10;
+    CvTermCriteria criteria;
+    int state;
+    int iters;
+    bool completeSymmFlag;
+};
+
+
+// 2009-01-12, Xavier Delacour <xavier.delacour@gmail.com>
+
+struct lsh_hash {
+  int h1, h2;
+};
+
+struct CvLSHOperations
+{
+  virtual ~CvLSHOperations() {}
+
+  virtual int vector_add(const void* data) = 0;
+  virtual void vector_remove(int i) = 0;
+  virtual const void* vector_lookup(int i) = 0;
+  virtual void vector_reserve(int n) = 0;
+  virtual unsigned int vector_count() = 0;
+
+  virtual void hash_insert(lsh_hash h, int l, int i) = 0;
+  virtual void hash_remove(lsh_hash h, int l, int i) = 0;
+  virtual int hash_lookup(lsh_hash h, int l, int* ret_i, int ret_i_max) = 0;
+};
+
+
+#endif /* __cplusplus */
+
+#endif /* _CV_HPP_ */
+
+/* End of file. */