本文整理汇总了C#中System.Matrix.SetZero方法的典型用法代码示例。如果您正苦于以下问题：C# Matrix.SetZero方法的具体用法？C# Matrix.SetZero怎么用？C# Matrix.SetZero使用的例子？那么恭喜您, 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System.Matrix的用法示例。
在下文中一共展示了Matrix.SetZero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C#代码示例。
示例1: testCvSolve1
public void testCvSolve1()
{
Vector3D[] planeVecs = new Vector3D[3];
planeVecs[0] = new Vector3D(.0, .0, .0);
planeVecs[1] = new Vector3D(.0, 1.0, .0);
planeVecs[2] = new Vector3D(1.0, .0, .0);
Matrix<float> A = new Matrix<float>(4, 3);
A.SetZero();
Matrix<float> x = new Matrix<float>(3, 1);
x.SetZero();
Matrix<float> b = new Matrix<float>(4, 1);
//b.SetValue(1.0);
b.SetZero();
for (int i = 0; i < planeVecs.Length; ++i)
{
Vector3D v = planeVecs[i];
A[0, 0] += (float)(v.X * v.X);
A[0, 1] += (float)(v.X * v.Y);
A[0, 2] += (float)(v.X * v.Z);
A[1, 1] += (float)(v.Y * v.Y);
A[1, 2] += (float)(v.Y * v.Z);
A[2, 2] += (float)(v.Z * v.Z);
b[0, 0] += (float)v.X;
b[1, 0] += (float)v.Y;
b[2, 0] += (float)v.Z;
b[3, 0] += (float)1.0;
}
A[1, 0] = A[0, 1];
A[2, 0] = A[0, 2];
A[2, 1] = A[1, 2];
A[3, 0] = b[0, 0];
A[3, 1] = b[1, 0];
A[3, 2] = b[2, 0];
Emgu.CV.CvInvoke.cvSolve(A, b, x, Emgu.CV.CvEnum.SOLVE_METHOD.CV_SVD);
Vector3D bestNormal = new Vector3D();
bestNormal.X = x[0, 0];
bestNormal.Y = x[1, 0];
bestNormal.Z = x[2, 0];
}示例2: KalmanFilter
private bool isInitialized; // true if any data has been fed
public KalmanFilter(int variables)
{
variablesCount = variables;
int measurementVariables = variables;
int dynamicVariables = variables * 2;
float[] state = new float[dynamicVariables];
for (int i = 0; i < dynamicVariables; ++i)
state[i] = 0.0f;
Matrix<float> transitionMatrix = new Matrix<float>(dynamicVariables, dynamicVariables);
transitionMatrix.SetZero();
for (int i = 0; i < dynamicVariables; ++i)
{
transitionMatrix[i, i] = 1.0f;
if (i >= measurementVariables)
transitionMatrix[i - measurementVariables, i] = 1;
}
Matrix<float> measurementMatrix = new Matrix<float>(measurementVariables, dynamicVariables);
measurementMatrix.SetZero();
for (int i = 0; i < measurementVariables; ++i)
measurementMatrix[i, i] = 1.0f;
Matrix<float> processNoise = new Matrix<float>(dynamicVariables, dynamicVariables);
processNoise.SetIdentity(new MCvScalar(1));//1.0e-4));
Matrix<float> measurementNoise = new Matrix<float>(measurementVariables, measurementVariables);
measurementNoise.SetIdentity(new MCvScalar(4));//1.0e-1));
Matrix<float> errorCovariancePost = new Matrix<float>(dynamicVariables, dynamicVariables);
errorCovariancePost.SetIdentity();
kalman = new Kalman(dynamicVariables, measurementVariables, 0);
kalman.CorrectedState = new Matrix<float>(state);
kalman.TransitionMatrix = transitionMatrix;
kalman.MeasurementNoiseCovariance = measurementNoise;
kalman.ProcessNoiseCovariance = processNoise;
kalman.ErrorCovariancePost = errorCovariancePost;
kalman.MeasurementMatrix = measurementMatrix;
}示例3: Recompute
// this is from the blog entry
public void Recompute()
{
if (source == null || dest == null || source.Count != dest.Count)
throw new Exception("Input data null or not equal in length");
// compute covariance matrix
Matrix<double> H = new Matrix<double>(2, 2);
H.SetZero();
for (int i = 0; i < source.Count; i++) {
var a = source[i].ToMatrix() - SourceCentroid;
var b = dest[i].ToMatrix() - DestCentroid;
H += a * b.Transpose();
}
/* perform svd where A = U W VT
* A IntPtr Source MxN matrix
* W IntPtr Resulting singular value matrix (MxN or NxN) or vector (Nx1).
* U IntPtr Optional left orthogonal matrix (MxM or MxN). If CV_SVD_U_T is specified, the number of rows and columns in the sentence above should be swapped
* V IntPtr Optional right orthogonal matrix (NxN)
*/
Matrix<double> U = new Matrix<double>(2, 2);
Matrix<double> W = new Matrix<double>(2, 2);
Matrix<double> V = new Matrix<double>(2, 2);
CvInvoke.cvSVD(H.Ptr, W.Ptr, U.Ptr, V.Ptr, SVD_TYPE.CV_SVD_DEFAULT);
// compute rotational matrix R=V*UT
Rotation = V * U.Transpose();
// find translation
//Offset = DestCentroid - ( Rotation * SourceCentroid);
Offset = DestCentroid - SourceCentroid;
if (Angle > 5) {
Global.Instance.mainForm.ShowSimpleMessageBox("Excessive Angle Detected - Problem detecting rotation\nOffset = " + new PartLocation(Offset-DestCentroid) + "\nAngle=" + Angle);
}
}示例4: button7_Click
private void button7_Click(object sender, EventArgs e)
{
Matrix<double> K = new Matrix<double>(3, 3);
K.SetZero();
Matrix<double> D = new Matrix<double>(8, 1);
D.SetZero();
if (calibrator != null)
{
int i, j;
for (i = 0; i < 3; i++)
for (j = 0; j < 3; j++)
K.Data[i, j] = calibrator.Intrinsics.IntrinsicMatrix.Data[i, j];
for (i = 0; i < 4; i++)
D.Data[i, 0] = calibrator.Intrinsics.DistortionCoeffs.Data[i, 0];
calibrator.stopCalibration();
// saving calibration parameters
StreamWriter sw = new StreamWriter("CalibParams.txt");
string intrinsicsStr = Convert.ToString(K.Data[0, 0]) + ",";
intrinsicsStr += Convert.ToString(K.Data[0, 1]) + ",";
intrinsicsStr += Convert.ToString(K.Data[0, 2]) + ",";
intrinsicsStr += Convert.ToString(K.Data[1, 0]) + ",";
intrinsicsStr += Convert.ToString(K.Data[1, 1]) + ",";
intrinsicsStr += Convert.ToString(K.Data[1, 2]) + ",";
intrinsicsStr += Convert.ToString(K.Data[2, 0]) + ",";
intrinsicsStr += Convert.ToString(K.Data[2, 1]) + ",";
intrinsicsStr += Convert.ToString(K.Data[2, 2]);
sw.WriteLine(intrinsicsStr);
string distcoeffsStr = Convert.ToString(D.Data[0, 0]) + "," +
Convert.ToString(D.Data[1, 0]) + "," +
Convert.ToString(D.Data[2, 0]) + "," +
Convert.ToString(D.Data[3, 0]);
sw.WriteLine(distcoeffsStr);
sw.Close();
LatestCamIntrinsics.IntrinsicMatrix.Data[0, 0] = K.Data[0, 0];
LatestCamIntrinsics.IntrinsicMatrix.Data[0, 2] = K.Data[0, 2];
LatestCamIntrinsics.IntrinsicMatrix.Data[1, 1] = K.Data[1, 1];
LatestCamIntrinsics.IntrinsicMatrix.Data[1, 2] = K.Data[1, 2];
LatestCamIntrinsics.IntrinsicMatrix.Data[2, 2] = 1;
LatestCamIntrinsics.DistortionCoeffs.Data[0, 0] = D.Data[0, 0];
LatestCamIntrinsics.DistortionCoeffs.Data[1, 0] = D.Data[1, 0];
LatestCamIntrinsics.DistortionCoeffs.Data[2, 0] = D.Data[2, 0];
LatestCamIntrinsics.DistortionCoeffs.Data[3, 0] = D.Data[3, 0];
}
}示例5: testSVD
public void testSVD()
{
Vector3D[] planeVecs = new Vector3D[3];
planeVecs[0] = new Vector3D(.0, .0, 2.0);
planeVecs[1] = new Vector3D(.0, 2.0, .0);
planeVecs[2] = new Vector3D(2.0, .0, .0);
Matrix<float> A = new Matrix<float>(4, 4);
A.SetZero();
Matrix<float> x = new Matrix<float>(4, 1);
x.SetZero();
Matrix<float> U = new Matrix<float>(4, 4);
//b.SetValue(1.0);
U.SetZero();
Matrix<float> V = new Matrix<float>(4, 4);
//b.SetValue(1.0);
U.SetZero();
for (int i = 0; i < planeVecs.Length; ++i)
{
Vector3D v = planeVecs[i];
A[0, 0] += (float)(v.X * v.X);
A[0, 1] += (float)(v.X * v.Y);
A[0, 2] += (float)(v.X * v.Z);
A[1, 1] += (float)(v.Y * v.Y);
A[1, 2] += (float)(v.Y * v.Z);
A[2, 2] += (float)(v.Z * v.Z);
A[0, 3] -= (float)(v.X);
A[1, 3] -= (float)(v.Y);
A[2, 3] -= (float)(v.Z);
A[3, 3] -= (float)1.0;
}
A[1, 0] = A[0, 1];
A[2, 0] = A[0, 2];
A[2, 1] = A[1, 2];
A[3, 0] = -A[0, 3];
A[3, 1] = -A[1, 3];
A[3, 2] = -A[2, 3];
CvInvoke.cvSVD(A, x, U, V, Emgu.CV.CvEnum.SVD_TYPE.CV_SVD_DEFAULT );
}示例6: testEigen
public void testEigen()
{
Vector3D[] planeVecs = new Vector3D[3];
planeVecs[0] = new Vector3D(.0, .0, 1.0);
planeVecs[1] = new Vector3D(.0, 1.0, .0);
planeVecs[2] = new Vector3D(.0, .0, .0);
Matrix<float> A = new Matrix<float>(4, 4);
A.SetZero();
Matrix<float> x = new Matrix<float>(4, 1);
x.SetZero();
Matrix<float> ev = new Matrix<float>(4, 4);
//b.SetValue(1.0);
ev.SetZero();
for (int i = 0; i < planeVecs.Length; ++i)
{
Vector3D v = planeVecs[i];
A[0, 0] += (float)(v.X * v.X);
A[0, 1] += (float)(v.X * v.Y);
A[0, 2] += (float)(v.X * v.Z);
A[1, 1] += (float)(v.Y * v.Y);
A[1, 2] += (float)(v.Y * v.Z);
A[2, 2] += (float)(v.Z * v.Z);
A[0, 3] -= (float)(v.X);
A[1, 3] -= (float)(v.Y);
A[2, 3] -= (float)(v.Z);
A[3, 3] -= (float)1.0;
}
A[1, 0] = A[0, 1];
A[2, 0] = A[0, 2];
A[2, 1] = A[1, 2];
A[3, 0] = - A[0, 3];
A[3, 1] = - A[1, 3];
A[3, 2] = - A[2, 3];
CvInvoke.cvEigenVV(A, ev, x, 1e-4, -1, -1);
}