Uses of Class
org.opencv.core.MatOfPoint2f

Packages that use MatOfPoint2f

Package	Description
org.opencv.calib3d
org.opencv.core
org.opencv.imgproc
org.opencv.utils
org.opencv.video

Uses of MatOfPoint2f in org.opencv.calib3d

Methods in org.opencv.calib3d with parameters of type MatOfPoint2f

Modifier and Type	Method and Description
static void	Calib3d.drawChessboardCorners(Mat image, Size patternSize, MatOfPoint2f corners, boolean patternWasFound) Renders the detected chessboard corners.
static boolean	Calib3d.findChessboardCorners(Mat image, Size patternSize, MatOfPoint2f corners) Finds the positions of internal corners of the chessboard.
static boolean	Calib3d.findChessboardCorners(Mat image, Size patternSize, MatOfPoint2f corners, int flags) Finds the positions of internal corners of the chessboard.
static Mat	Calib3d.findFundamentalMat(MatOfPoint2f points1, MatOfPoint2f points2) Calculates a fundamental matrix from the corresponding points in two images.
static Mat	Calib3d.findFundamentalMat(MatOfPoint2f points1, MatOfPoint2f points2, int method, double param1, double param2) Calculates a fundamental matrix from the corresponding points in two images.
static Mat	Calib3d.findFundamentalMat(MatOfPoint2f points1, MatOfPoint2f points2, int method, double param1, double param2, Mat mask) Calculates a fundamental matrix from the corresponding points in two images.
static Mat	Calib3d.findHomography(MatOfPoint2f srcPoints, MatOfPoint2f dstPoints) Finds a perspective transformation between two planes.
static Mat	Calib3d.findHomography(MatOfPoint2f srcPoints, MatOfPoint2f dstPoints, int method, double ransacReprojThreshold) Finds a perspective transformation between two planes.
static Mat	Calib3d.findHomography(MatOfPoint2f srcPoints, MatOfPoint2f dstPoints, int method, double ransacReprojThreshold, Mat mask) Finds a perspective transformation between two planes.
static void	Calib3d.projectPoints(MatOfPoint3f objectPoints, Mat rvec, Mat tvec, Mat cameraMatrix, MatOfDouble distCoeffs, MatOfPoint2f imagePoints) Projects 3D points to an image plane.
static void	Calib3d.projectPoints(MatOfPoint3f objectPoints, Mat rvec, Mat tvec, Mat cameraMatrix, MatOfDouble distCoeffs, MatOfPoint2f imagePoints, Mat jacobian, double aspectRatio) Projects 3D points to an image plane.
static boolean	Calib3d.solvePnP(MatOfPoint3f objectPoints, MatOfPoint2f imagePoints, Mat cameraMatrix, MatOfDouble distCoeffs, Mat rvec, Mat tvec) Finds an object pose from 3D-2D point correspondences.
static boolean	Calib3d.solvePnP(MatOfPoint3f objectPoints, MatOfPoint2f imagePoints, Mat cameraMatrix, MatOfDouble distCoeffs, Mat rvec, Mat tvec, boolean useExtrinsicGuess, int flags) Finds an object pose from 3D-2D point correspondences.
static void	Calib3d.solvePnPRansac(MatOfPoint3f objectPoints, MatOfPoint2f imagePoints, Mat cameraMatrix, MatOfDouble distCoeffs, Mat rvec, Mat tvec) Finds an object pose from 3D-2D point correspondences using the RANSAC scheme.
static void	Calib3d.solvePnPRansac(MatOfPoint3f objectPoints, MatOfPoint2f imagePoints, Mat cameraMatrix, MatOfDouble distCoeffs, Mat rvec, Mat tvec, boolean useExtrinsicGuess, int iterationsCount, float reprojectionError, int minInliersCount, Mat inliers, int flags) Finds an object pose from 3D-2D point correspondences using the RANSAC scheme.

Method parameters in org.opencv.calib3d with type arguments of type MatOfPoint2f

Modifier and Type	Method and Description
static Mat	Calib3d.initCameraMatrix2D(List<MatOfPoint3f> objectPoints, List<MatOfPoint2f> imagePoints, Size imageSize) Finds an initial camera matrix from 3D-2D point correspondences.
static Mat	Calib3d.initCameraMatrix2D(List<MatOfPoint3f> objectPoints, List<MatOfPoint2f> imagePoints, Size imageSize, double aspectRatio) Finds an initial camera matrix from 3D-2D point correspondences.

Uses of MatOfPoint2f in org.opencv.core

Methods in org.opencv.core that return MatOfPoint2f

Modifier and Type	Method and Description
static MatOfPoint2f	MatOfPoint2f.fromNativeAddr(long addr)

Uses of MatOfPoint2f in org.opencv.imgproc

Methods in org.opencv.imgproc with parameters of type MatOfPoint2f

Modifier and Type	Method and Description
static void	Imgproc.approxPolyDP(MatOfPoint2f curve, MatOfPoint2f approxCurve, double epsilon, boolean closed) Approximates a polygonal curve(s) with the specified precision.
static double	Imgproc.arcLength(MatOfPoint2f curve, boolean closed) Calculates a contour perimeter or a curve length.
static void	Imgproc.cornerSubPix(Mat image, MatOfPoint2f corners, Size winSize, Size zeroZone, TermCriteria criteria) Refines the corner locations.
static RotatedRect	Imgproc.fitEllipse(MatOfPoint2f points) Fits an ellipse around a set of 2D points.
static Mat	Imgproc.getAffineTransform(MatOfPoint2f src, MatOfPoint2f dst) Calculates an affine transform from three pairs of the corresponding points.
void	Subdiv2D.getVoronoiFacetList(MatOfInt idx, List<MatOfPoint2f> facetList, MatOfPoint2f facetCenters)
void	Subdiv2D.insert(MatOfPoint2f ptvec)
static RotatedRect	Imgproc.minAreaRect(MatOfPoint2f points) Finds a rotated rectangle of the minimum area enclosing the input 2D point set.
static void	Imgproc.minEnclosingCircle(MatOfPoint2f points, Point center, float[] radius) Finds a circle of the minimum area enclosing a 2D point set.
static double	Imgproc.pointPolygonTest(MatOfPoint2f contour, Point pt, boolean measureDist) Performs a point-in-contour test.
static void	Imgproc.undistortPoints(MatOfPoint2f src, MatOfPoint2f dst, Mat cameraMatrix, Mat distCoeffs) Computes the ideal point coordinates from the observed point coordinates.
static void	Imgproc.undistortPoints(MatOfPoint2f src, MatOfPoint2f dst, Mat cameraMatrix, Mat distCoeffs, Mat R, Mat P) Computes the ideal point coordinates from the observed point coordinates.

Method parameters in org.opencv.imgproc with type arguments of type MatOfPoint2f

Modifier and Type	Method and Description
void	Subdiv2D.getVoronoiFacetList(MatOfInt idx, List<MatOfPoint2f> facetList, MatOfPoint2f facetCenters)

Uses of MatOfPoint2f in org.opencv.utils

Method parameters in org.opencv.utils with type arguments of type MatOfPoint2f

Modifier and Type	Method and Description
static void	Converters.Mat_to_vector_vector_Point2f(Mat m, List<MatOfPoint2f> pts)
static Mat	Converters.vector_vector_Point2f_to_Mat(List<MatOfPoint2f> pts, List<Mat> mats)

Uses of MatOfPoint2f in org.opencv.video

Methods in org.opencv.video with parameters of type MatOfPoint2f

Modifier and Type	Method and Description
static void	Video.calcOpticalFlowPyrLK(Mat prevImg, Mat nextImg, MatOfPoint2f prevPts, MatOfPoint2f nextPts, MatOfByte status, MatOfFloat err) Calculates an optical flow for a sparse feature set using the iterative Lucas-Kanade method with pyramids.
static void	Video.calcOpticalFlowPyrLK(Mat prevImg, Mat nextImg, MatOfPoint2f prevPts, MatOfPoint2f nextPts, MatOfByte status, MatOfFloat err, Size winSize, int maxLevel) Calculates an optical flow for a sparse feature set using the iterative Lucas-Kanade method with pyramids.
static void	Video.calcOpticalFlowPyrLK(Mat prevImg, Mat nextImg, MatOfPoint2f prevPts, MatOfPoint2f nextPts, MatOfByte status, MatOfFloat err, Size winSize, int maxLevel, TermCriteria criteria, int flags, double minEigThreshold) Calculates an optical flow for a sparse feature set using the iterative Lucas-Kanade method with pyramids.