本文整理汇总了Java中org.opencv.calib3d.Calib3d.projectPoints方法的典型用法代码示例。如果您正苦于以下问题：Java Calib3d.projectPoints方法的具体用法？Java Calib3d.projectPoints怎么用？Java Calib3d.projectPoints使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.opencv.calib3d.Calib3d的用法示例。
在下文中一共展示了Calib3d.projectPoints方法的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: computeReprojectionErrors
import org.opencv.calib3d.Calib3d; //导入方法依赖的package包/类
private double computeReprojectionErrors(List<Mat> objectPoints,
List<Mat> rvecs, List<Mat> tvecs, Mat perViewErrors) {
MatOfPoint2f cornersProjected = new MatOfPoint2f();
double totalError = 0;
double error;
float viewErrors[] = new float[objectPoints.size()];
MatOfDouble distortionCoefficients = new MatOfDouble(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),
mCameraMatrix, distortionCoefficients, cornersProjected);
error = Core.norm(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);
}
示例2: draw3dCube
import org.opencv.calib3d.Calib3d; //导入方法依赖的package包/类
public void draw3dCube(Mat frame, CameraParameters cp, Scalar color){
MatOfPoint3f objectPoints = new MatOfPoint3f();
double halfSize = ssize/2.0;
Vector<Point3> points = new Vector<Point3>();
points.add(new Point3(-halfSize, -halfSize, 0));
points.add(new Point3(-halfSize, halfSize, 0));
points.add(new Point3( halfSize, halfSize, 0));
points.add(new Point3( halfSize, -halfSize, 0));
points.add(new Point3(-halfSize, -halfSize, ssize));
points.add(new Point3(-halfSize, halfSize, ssize));
points.add(new Point3( halfSize, halfSize, ssize));
points.add(new Point3( halfSize, -halfSize, ssize));
objectPoints.fromList(points);
MatOfPoint2f imagePoints = new MatOfPoint2f();
Calib3d.projectPoints(objectPoints, Rvec, Tvec, cp.getCameraMatrix(), cp.getDistCoeff(), imagePoints);
List<Point> pts = new Vector<Point>();
pts = imagePoints.toList();
// draw
for (int i=0;i<4;i++){
Core.line(frame ,pts.get(i),pts.get((i+1)%4), color, 2);
Core.line(frame,pts.get(i+4),pts.get(4+(i+1)%4), color, 2);
Core.line(frame,pts.get(i),pts.get(i+4), color, 2);
}
}
示例3: draw3dAxis
import org.opencv.calib3d.Calib3d; //导入方法依赖的package包/类
public static void draw3dAxis(Mat frame, CameraParameters cp, Scalar color, double height, Mat Rvec, Mat Tvec){
// Mat objectPoints = new Mat(4,3,CvType.CV_32FC1);
MatOfPoint3f objectPoints = new MatOfPoint3f();
Vector<Point3> points = new Vector<Point3>();
points.add(new Point3(0, 0, 0));
points.add(new Point3(height,0, 0));
points.add(new Point3(0, height,0));
points.add(new Point3(0, 0, height));
objectPoints.fromList(points);
MatOfPoint2f imagePoints = new MatOfPoint2f();
Calib3d.projectPoints( objectPoints, Rvec, Tvec,
cp.getCameraMatrix(), cp.getDistCoeff(), imagePoints);
List<Point> pts = new Vector<Point>();
Converters.Mat_to_vector_Point(imagePoints, pts);
Core.line(frame ,pts.get(0),pts.get(1), color, 2);
Core.line(frame ,pts.get(0),pts.get(2), color, 2);
Core.line(frame ,pts.get(0),pts.get(3), color, 2);
Core.putText(frame, "X", pts.get(1), Core.FONT_HERSHEY_SIMPLEX, 0.5, color,2);
Core.putText(frame, "Y", pts.get(2), Core.FONT_HERSHEY_SIMPLEX, 0.5, color,2);
Core.putText(frame, "Z", pts.get(3), Core.FONT_HERSHEY_SIMPLEX, 0.5, color,2);
}
示例4: draw3dCube
import org.opencv.calib3d.Calib3d; //导入方法依赖的package包/类
public void draw3dCube(Mat frame, CameraParameters cp, Scalar color){
MatOfPoint3f objectPoints = new MatOfPoint3f();
double halfSize = ssize/2.0;
Vector<Point3> points = new Vector<Point3>();
points.add(new Point3(-halfSize, -halfSize, 0));
points.add(new Point3(-halfSize, halfSize, 0));
points.add(new Point3( halfSize, halfSize, 0));
points.add(new Point3( halfSize, -halfSize, 0));
points.add(new Point3(-halfSize, -halfSize, ssize));
points.add(new Point3(-halfSize, halfSize, ssize));
points.add(new Point3( halfSize, halfSize, ssize));
points.add(new Point3( halfSize, -halfSize, ssize));
objectPoints.fromList(points);
MatOfPoint2f imagePoints = new MatOfPoint2f();
Calib3d.projectPoints(objectPoints, Rvec, Tvec, cp.getCameraMatrix(), cp.getDistCoeff(), imagePoints);
List<Point> pts = new Vector<Point>();
pts = imagePoints.toList();
// draw
for (int i=0;i<4;i++){
Core.line(frame ,pts.get(i),pts.get((i+1)%4), color, 2);
Core.line(frame,pts.get(i+4),pts.get(4+(i+1)%4), color, 2);
Core.line(frame,pts.get(i),pts.get(i+4), color, 2);
}
}
示例5: draw3dAxis
import org.opencv.calib3d.Calib3d; //导入方法依赖的package包/类
public static void draw3dAxis(Mat frame, CameraParameters cp, Scalar color, double height, Mat Rvec, Mat Tvec){
// Mat objectPoints = new Mat(4,3,CvType.CV_32FC1);;
MatOfPoint3f objectPoints = new MatOfPoint3f();
Vector<Point3> points = new Vector<Point3>();
points.add(new Point3(0, 0, 0));
points.add(new Point3(height,0, 0));
points.add(new Point3(0, height,0));
points.add(new Point3(0, 0, height));
objectPoints.fromList(points);
MatOfPoint2f imagePoints = new MatOfPoint2f();
Calib3d.projectPoints(objectPoints, Rvec, Tvec,
cp.getCameraMatrix(), cp.getDistCoeff(), imagePoints);
List<Point> pts = new Vector<Point>();
Converters.Mat_to_vector_Point(imagePoints, pts);
Core.line(frame ,pts.get(0),pts.get(1), color, 2);
Core.line(frame ,pts.get(0),pts.get(2), color, 2);
Core.line(frame ,pts.get(0),pts.get(3), color, 2);
Core.putText(frame, "X", pts.get(1), Core.FONT_HERSHEY_SIMPLEX, 2.0, color,2);
Core.putText(frame, "Y", pts.get(2), Core.FONT_HERSHEY_SIMPLEX, 2.0, color,2);
Core.putText(frame, "Z", pts.get(3), Core.FONT_HERSHEY_SIMPLEX, 2.0, color,2);
}
示例6: onCameraFrame
import org.opencv.calib3d.Calib3d; //导入方法依赖的package包/类
public Mat onCameraFrame(CvCameraViewFrame inputFrame) {
//Convert input to rgba
Mat rgba = inputFrame.rgba();
//Setup required parameters for detect method
MarkerDetector mDetector = new MarkerDetector();
Vector<Marker> detectedMarkers = new Vector<>();
CameraParameters camParams = new CameraParameters();
camParams.readFromFile(Environment.getExternalStorageDirectory().toString() + DATA_FILEPATH);
//Populate detectedMarkers
mDetector.detect(rgba, detectedMarkers, camParams, MARKER_SIZE);
//Draw Axis for each marker detected
if (detectedMarkers.size() != 0) {
for (int i = 0; i < detectedMarkers.size(); i++) {
Marker marker = detectedMarkers.get(i);
detectedMarkers.get(i).draw3dAxis(rgba, camParams, new Scalar(0,0,0));
if (SHOW_MARKERID) {
//Setup
int idValue = detectedMarkers.get(i).getMarkerId();
Vector<Point3> points = new Vector<>();
points.add(new Point3(0, 0, 0));
MatOfPoint3f pointMat = new MatOfPoint3f();
pointMat.fromList(points);
MatOfPoint2f outputPoints = new MatOfPoint2f();
//Project point to marker origin
Calib3d.projectPoints(pointMat, marker.getRvec(), marker.getTvec(), camParams.getCameraMatrix(), camParams.getDistCoeff(), outputPoints);
List<Point> pts = new Vector<>();
pts = outputPoints.toList();
//Draw id number
Core.putText(rgba, Integer.toString(idValue), pts.get(0), Core.FONT_HERSHEY_SIMPLEX, 2, new Scalar(0,0,1));
}
}
}
return rgba;
}