public static void Calc(this ISparseOpticalFlow sparseFlow, IInputArray prevImg, IInputArray nextImg, IInputArray prevPts, IInputOutputArray nextPts, IOutputArray status = null, IOutputArray err = null, Stream stream = null)
{
using (InputArray iaPrevImg = prevImg.GetInputArray())
using (InputArray iaNextImg = nextImg.GetInputArray())
using (InputArray iaPrevPts = prevPts.GetInputArray())
using (InputOutputArray ioaNextPts = nextPts.GetInputOutputArray())
using (OutputArray oaStatus = (status == null ? OutputArray.GetEmpty() : status.GetOutputArray()))
using (OutputArray oaErr = (err == null ? OutputArray.GetEmpty() : err.GetOutputArray()))
cudaSparseOpticalFlowCalc(sparseFlow.SparseOpticalFlowPtr, iaPrevImg, iaNextImg, iaPrevPts, ioaNextPts,
oaStatus, oaErr, (stream == null) ? IntPtr.Zero : stream.Ptr);
}
/// <summary>
/// Calculates a sparse optical flow.
/// </summary>
/// <param name="opticalFlow">The sparse optical flow</param>
/// <param name="prevImg">First input image.</param>
/// <param name="nextImg">Second input image of the same size and the same type as prevImg.</param>
/// <param name="prevPts">Vector of 2D points for which the flow needs to be found.</param>
/// <param name="nextPts">Output vector of 2D points containing the calculated new positions of input features in the second image.</param>
/// <param name="status">Output status vector. Each element of the vector is set to 1 if the flow for the corresponding features has been found.Otherwise, it is set to 0.</param>
/// <param name="error">Optional output vector that contains error response for each point (inverse confidence).</param>
public static void Calc(
this ISparseOpticalFlow opticalFlow,
IInputArray prevImg, IInputArray nextImg,
IInputArray prevPts, IInputOutputArray nextPts,
IOutputArray status,
IOutputArray error = null
)
{
using (InputArray iaPreImg = prevImg.GetInputArray())
using (InputArray iaNextImg = nextImg.GetInputArray())
using (InputArray iaPrevPts = prevPts.GetInputArray())
using (InputOutputArray ioaNextPts = nextPts.GetInputOutputArray())
using (OutputArray oaStatus = status.GetOutputArray())
using (OutputArray oaError = error == null ? OutputArray.GetEmpty() : error.GetOutputArray())
CvInvoke.cveSparseOpticalFlowCalc(
opticalFlow.SparseOpticalFlowPtr,
iaPreImg, iaNextImg,
iaPrevPts, ioaNextPts,
oaStatus, oaError
);
}
