C++ (Cpp) Mat1f::reshape Examples

Example #1

File: adaptive_manifold_filter_n.cpp Project: 23pointsNorth/opencv_contrib

void AdaptiveManifoldFilterN::computeClusters(Mat1b& cluster, Mat1b& cluster_minus, Mat1b& cluster_plus)
{
    Mat difEtaSrc;
    {
        vector<Mat> eta_difCn(jointCnNum);
        for (int i = 0; i < jointCnNum; i++)
            subtract(jointCn[i], etaFull[i], eta_difCn[i]);

        merge(eta_difCn, difEtaSrc);
        difEtaSrc = difEtaSrc.reshape(1, (int)difEtaSrc.total());
        CV_DbgAssert(difEtaSrc.cols == jointCnNum);
    }

    Mat1f initVec(1, jointCnNum);
    if (useRNG)
    {
        rnd.fill(initVec, RNG::UNIFORM, -0.5, 0.5);
    }
    else
    {
        for (int i = 0; i < (int)initVec.total(); i++)
            initVec(0, i) = (i % 2 == 0) ? 0.5f : -0.5f;
    }

    Mat1f eigenVec(1, jointCnNum);
    computeEigenVector(difEtaSrc, cluster, eigenVec, num_pca_iterations_, initVec);

    Mat1f difOreientation;
    gemm(difEtaSrc, eigenVec, 1, noArray(), 0, difOreientation, GEMM_2_T);
    difOreientation = difOreientation.reshape(1, srcSize.height);
    CV_DbgAssert(difOreientation.size() == srcSize);

    compare(difOreientation, 0, cluster_minus, CMP_LT);
    bitwise_and(cluster_minus, cluster, cluster_minus);

    compare(difOreientation, 0, cluster_plus, CMP_GE);
    bitwise_and(cluster_plus, cluster, cluster_plus);
}