calcOpticalFlowDF.cpp

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#include "mexopencv.hpp"
#include "opencv2/video.hpp"
#include "opencv2/optflow.hpp"
using namespace std;
using namespace cv;
using namespace cv::optflow;

void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
{
    // Check the number of arguments
    nargchk(nrhs==2 && nlhs<=1);

    // Argument vector
    vector<MxArray> rhs(prhs, prhs+nrhs);

    // Process
    Mat from(rhs[0].toMat(CV_8U)), to(rhs[1].toMat(CV_8U)), flow;
    Ptr<DenseOpticalFlow> p = createOptFlow_DeepFlow();
    if (p.empty())
        mexErrMsgIdAndTxt("mexopencv:error",
            "Failed to create OpticalFlowDeepFlow");
    p->calc(from, to, flow);
    plhs[0] = MxArray(flow);
}