public void configure(int numCols, int numRows) {
ConfigChessboard config = new ConfigChessboard(numCols, numRows, 30);
alg = FactoryPlanarCalibrationTarget.detectorChessboard(config).getAlg();
alg.setUserBinaryThreshold(config.binaryGlobalThreshold);
alg.setUserAdaptiveBias(config.binaryAdaptiveBias);
alg.setUserAdaptiveRadius(config.binaryAdaptiveRadius);
}
/**
* Using a camera calibration target verify the robot arm's kinematics.
*
* @author Peter Abeles
*/
public class DRCArmKinematicsCalibration {
FullRobotModel robotModel;
PlanarCalibrationDetector target =
FactoryPlanarCalibrationTarget.detectorChessboard(new ConfigChessboard(5, 6, 0.01));
Zhang99ComputeTargetHomography computeH = new Zhang99ComputeTargetHomography(target.getLayout());
Zhang99DecomposeHomography decomposeH = new Zhang99DecomposeHomography();
ImageFloat32 gray = new ImageFloat32(1, 1);
boolean hasIntrinsic = false;
Se3_F64 targetToOrigin = new Se3_F64();
public DRCArmKinematicsCalibration() {}
public void setIntrinsic(IntrinsicParameters intrinsic) {
DenseMatrix64F K = PerspectiveOps.calibrationMatrix(intrinsic, null);
decomposeH.setCalibrationMatrix(K);
hasIntrinsic = true;
}
public boolean estimateCameraPose(BufferedImage leftEye) {
if (!hasIntrinsic) return false;
gray.reshape(leftEye.getWidth(), leftEye.getHeight());
ConvertBufferedImage.convertFrom(leftEye, gray);
if (!target.process(gray)) return false;
if (!computeH.computeHomography(target.getDetectedPoints())) return false;
DenseMatrix64F H = computeH.getHomography();
targetToOrigin.set(decomposeH.decompose(H));
return true;
}
public Se3_F64 getTargetToOrigin() {
return targetToOrigin;
}
}