Example usage for org.opencv.core MatOfPoint3f MatOfPoint3f

Introduction

In this page you can find the example usage for org.opencv.core MatOfPoint3f MatOfPoint3f.

Prototype

public MatOfPoint3f(Point3... a) 

Source Link

Usage

From source file:de.vion.eyetracking.cameracalib.calibration.opencv.CameraCalibrator.java

private double computeReprojectionErrors(List<Mat> objectPoints, List<Mat> rvecs, List<Mat> tvecs,
        Mat perViewErrors) {//w w  w.  j a v  a 2  s. c  om
    MatOfPoint2f cornersProjected = new MatOfPoint2f();
    double totalError = 0;
    double error;
    float viewErrors[] = new float[objectPoints.size()];

    MatOfDouble distortionCoefficients = new MatOfDouble(this.mDistortionCoefficients);
    int totalPoints = 0;
    for (int i = 0; i < objectPoints.size(); i++) {
        MatOfPoint3f points = new MatOfPoint3f(objectPoints.get(i));
        Calib3d.projectPoints(points, rvecs.get(i), tvecs.get(i), this.mCameraMatrix, distortionCoefficients,
                cornersProjected);
        error = Core.norm(this.mCornersBuffer.get(i), cornersProjected, Core.NORM_L2);

        int n = objectPoints.get(i).rows();
        viewErrors[i] = (float) Math.sqrt(error * error / n);
        totalError += error * error;
        totalPoints += n;
    }
    perViewErrors.create(objectPoints.size(), 1, CvType.CV_32FC1);
    perViewErrors.put(0, 0, viewErrors);

    return Math.sqrt(totalError / totalPoints);
}

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From source file:org.usfirst.frc.team2084.CMonster2016.vision.CameraCalibration.java

License:Open Source License

/**
 * Calculate the corner positions of the board in world units.
 * /*from   ww  w.j  a  v a2s. c o  m*/
 * @return the calculated corners
 */
private MatOfPoint3f calcBoardCornerPositions() {
    Point3[] cornersArr = new Point3[(int) boardSize.area()];

    for (int i = 0; i < boardSize.height; ++i) {
        for (int j = 0; j < boardSize.width; ++j) {
            cornersArr[(int) ((i * boardSize.width) + j)] = new Point3(j * squareSize, i * squareSize, 0);
        }
    }
    MatOfPoint3f corners = new MatOfPoint3f(cornersArr);
    System.out.println(corners);
    return corners;
}

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