Example #1
0
TEST(Core_IOArray, submat_create)
{
    Mat1f A = Mat1f::zeros(2,2);

    EXPECT_THROW( OutputArray_create1(A.row(0)), cv::Exception );
    EXPECT_THROW( OutputArray_create2(A.row(0)), cv::Exception );
}
void AdaptiveManifoldFilterN::computeEigenVector(const vector<Mat>& X, const Mat1b& mask, Mat1f& vecDst, int num_pca_iterations, const Mat1f& vecRand)
{
    int cnNum = (int)X.size();
    int height = X[0].rows;
    int width = X[0].cols;

    vecDst.create(1, cnNum);
    CV_Assert(vecRand.size() == Size(cnNum, 1) && vecDst.size() == Size(cnNum, 1));
    CV_Assert(mask.rows == height && mask.cols == width);
    
    const float *pVecRand = vecRand.ptr<float>();
    Mat1d vecDstd(1, cnNum, 0.0);
    double *pVecDst = vecDstd.ptr<double>();
    Mat1f Xw(height, width);

    for (int iter = 0; iter < num_pca_iterations; iter++)
    {
        for (int  i = 0; i < height; i++)
        {
            const uchar *maskRow = mask.ptr<uchar>(i);
            float *mulRow = Xw.ptr<float>(i);

            //first multiplication 
            for (int cn = 0; cn < cnNum; cn++)
            {
                const float *srcRow = X[cn].ptr<float>(i);
                const float cnVal = pVecRand[cn];

                if (cn == 0)
                {
                    for (int j = 0; j < width; j++)
                        mulRow[j] = cnVal*srcRow[j];
                }
                else
                {
                    for (int j = 0; j < width; j++)
                        mulRow[j] += cnVal*srcRow[j];
                }
            }

            for (int j = 0; j < width; j++)
                if (!maskRow[j]) mulRow[j] = 0.0f;

            //second multiplication
            for (int cn = 0; cn < cnNum; cn++)
            {
                float curCnSum = 0.0f;
                const float *srcRow = X[cn].ptr<float>(i);

                for (int j = 0; j < width; j++)
                    curCnSum += mulRow[j]*srcRow[j];

                //TODO: parallel reduce 
                pVecDst[cn] += curCnSum;
            }
        }
    }

    divide(vecDstd, norm(vecDstd), vecDst);
}
Example #3
0
Mat DeWAFF::filter(const Mat& A, const Mat& Laplacian, int w, double sigma_d, int sigma_r){
    //Pre-compute Gaussian domain weights.
    Mat1i X,Y;
    Tools::meshgrid(Range(-w,w),Range(-w,w),X,Y);
    pow(X,2,X);
    pow(Y,2,Y);
    Mat1f G = X+Y;
    G.convertTo(G,CV_32F,-1/(2*pow(sigma_d,2)));
    exp(G,G);

    //Apply bilateral filter.
    Mat B = Mat(A.size(),A.type());
    Mat F, H, I, L, dL, da, db;
    int iMin, iMax, jMin, jMax;
    vector<Mat> channels(3);
	Vec3f pixel;
	double norm_F;

	#pragma omp target //OpenMP 4 pragma. Supported in GCC 5
	#pragma omp parallel for\
			private(I,iMin,iMax,jMin,jMax,pixel,channels,dL,da,db,H,F,norm_F,L)\
			shared(A,B,G,Laplacian,w,sigma_d,sigma_r)
    for(int i = 0; i < A.rows; i++){
       for(int j = 0; j < A.cols; j++){
             //Extract local region.
             iMin = max(i - w,0);
             iMax = min(i + w,A.rows-1);
             jMin = max(j - w,0);
             jMax = min(j + w,A.cols-1);

             //Compute Gaussian range weights in the three channels
             I = A(Range(iMin,iMax), Range(jMin,jMax));
             split(I,channels);
             pixel = A.at<Vec3f>(i,j);
             pow(channels[0] - pixel.val[0], 2, dL);
             pow(channels[1] - pixel.val[1], 2, da);
             pow(channels[2] - pixel.val[2], 2, db);
             exp((dL + da + db) / (-2 * pow(sigma_r,2)),H);

             //Calculate bilateral filter response.
             F = H.mul(G(Range(iMin-i+w, iMax-i+w), Range(jMin-j+w, jMax-j+w)));
             norm_F = sum(F).val[0];

             //The laplacian deceive consists on weighting the gaussian function with
             //the original image, and using the image values of the laplacian image.
             L = Laplacian(Range(iMin,iMax), Range(jMin,jMax));
             split(L,channels);
             B.at<Vec3f>(i,j)[0] = (sum(sum(F.mul(channels[0])))/norm_F).val[0];
             B.at<Vec3f>(i,j)[1] = (sum(sum(F.mul(channels[1])))/norm_F).val[0];
             B.at<Vec3f>(i,j)[2] = (sum(sum(F.mul(channels[2])))/norm_F).val[0];
       }
    }

    return B;
}
void computeEigenVector(const Mat1f& X, const Mat1b& mask, Mat1f& dst, int num_pca_iterations, const Mat1f& rand_vec)
{
    CV_DbgAssert( X.cols == rand_vec.cols );
    CV_DbgAssert( X.rows == mask.size().area() );
    CV_DbgAssert( rand_vec.rows == 1 );

    dst.create(rand_vec.size());
    rand_vec.copyTo(dst);

    Mat1f t(X.size());

    float* dst_row = dst[0];

    for (int i = 0; i < num_pca_iterations; ++i)
    {
        t.setTo(Scalar::all(0));

        for (int y = 0, ind = 0; y < mask.rows; ++y)
        {
            const uchar* mask_row = mask[y];

            for (int x = 0; x < mask.cols; ++x, ++ind)
            {
                if (mask_row[x])
                {
                    const float* X_row = X[ind];
                    float* t_row = t[ind];

                    float dots = 0.0;
                    for (int c = 0; c < X.cols; ++c)
                        dots += dst_row[c] * X_row[c];

                    for (int c = 0; c < X.cols; ++c)
                        t_row[c] = dots * X_row[c];
                }
            }
        }

        dst.setTo(0.0);
        for (int k = 0; k < X.rows; ++k)
        {
            const float* t_row = t[k];

            for (int c = 0; c < X.cols; ++c)
            {
                dst_row[c] += t_row[c];
            }
        }
    }

    double n = norm(dst);
    divide(dst, n, dst);
}
void AdaptiveManifoldFilterN::computeOrientation(const vector<Mat>& X, const Mat1f& vec, Mat1f& dst)
{
    int height = X[0].rows;
    int width = X[0].cols;
    int cnNum = (int)X.size();
    dst.create(height, width);
    CV_DbgAssert(vec.rows == 1 && vec.cols == cnNum);

    const float *pVec = vec.ptr<float>();

    for (int i = 0; i < height; i++)
    {
        float *dstRow = dst.ptr<float>(i);

        for (int cn = 0; cn < cnNum; cn++)
        {
            const float *srcRow = X[cn].ptr<float>(i);
            const float cnVal = pVec[cn];

            if (cn == 0)
            {
                for (int j = 0; j < width; j++)
                    dstRow[j] = cnVal*srcRow[j];
            }
            else
            {
                for (int j = 0; j < width; j++)
                    dstRow[j] += cnVal*srcRow[j];
            }
        }
    }
}
Example #6
0
void applyMask(Mat1f& mat, const Mat1b& mask){
	Mat1f old = mat.clone();
	mat = Mat1f(1, countNonZero(mask));

	unsigned mat_counter = 0;
	for (int i = 0; i < mask.cols; ++i){
		if (mask.at<char>(i) != 0){
			mat.at<float>(mat_counter) = old.at<float>(i);
			++mat_counter;
		}
	}
}
Example #7
0
Mat DeWAFF::filter(const Mat& A, const Mat& Laplacian, int w, double sigma_d, int sigma_r){
    //Pre-compute Gaussian domain weights.
    Mat1i X,Y;
    Tools::meshgrid(Range(-w,w),Range(-w,w),X,Y);
    pow(X,2,X);
    pow(Y,2,Y);
    Mat1f G = X+Y;
    G.convertTo(G,CV_32F,-1/(2*pow(sigma_d,2)));
    exp(G,G);

    //Apply bilateral filter.
    Mat B = Mat(A.size(),A.type());
    Mat F, H, I, L, dL, da, db;
    int iMin, iMax, jMin, jMax;
    vector<Mat> channels(3);
	Vec3f pixel;
	double norm_F;

	//#pragma omp target
	//#pragma omp parallel for\
			private(I,iMin,iMax,jMin,jMax,pixel,channels,dL,da,db,H,F,norm_F,L)\
void AdaptiveManifoldFilterN::h_filter(const Mat1f& src, Mat& dst, float sigma)
{
    CV_DbgAssert(src.depth() == CV_32F);

    const float a = exp(-sqrt(2.0f) / sigma);

    dst.create(src.size(), CV_32FC1);

    for (int y = 0; y < src.rows; ++y)
    {
        const float* src_row = src[y];
        float* dst_row = dst.ptr<float>(y);

        dst_row[0] = src_row[0];
        for (int x = 1; x < src.cols; ++x)
        {
            dst_row[x] = src_row[x] + a * (dst_row[x - 1] - src_row[x]);
        }
        for (int x = src.cols - 2; x >= 0; --x)
        {
            dst_row[x] = dst_row[x] + a * (dst_row[x + 1] - dst_row[x]);
        }
    }

    for (int y = 1; y < src.rows; ++y)
    {
        float* dst_cur_row = dst.ptr<float>(y);
        float* dst_prev_row = dst.ptr<float>(y-1);

        rf_vert_row_pass(dst_cur_row, dst_prev_row, a, src.cols);
    }
    for (int y = src.rows - 2; y >= 0; --y)
    {
        float* dst_cur_row = dst.ptr<float>(y);
        float* dst_prev_row = dst.ptr<float>(y+1);

        rf_vert_row_pass(dst_cur_row, dst_prev_row, a, src.cols);
    }
}
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);
}
void AdaptiveManifoldFilterN::computeClusters(Mat1b& cluster, Mat1b& cluster_minus, Mat1b& cluster_plus)
{
    
    Mat1f difOreientation;
    if (jointCnNum > 1)
    {
        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;
        }

        vector<Mat> difEtaSrc(jointCnNum);
        for (int i = 0; i < jointCnNum; i++)
            subtract(jointCn[i], etaFull[i], difEtaSrc[i]);

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

        computeOrientation(difEtaSrc, eigenVec, difOreientation);
        CV_DbgAssert(difOreientation.size() == srcSize);
    }
    else
    {
        subtract(jointCn[0], etaFull[0], difOreientation);
    }

    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);
}
Example #11
0
TEST(Core_IOArray, submat_assignment)
{
    Mat1f A = Mat1f::zeros(2,2);
    Mat1f B = Mat1f::ones(1,3);

    EXPECT_THROW( B.colRange(0,3).copyTo(A.row(0)), cv::Exception );

    EXPECT_NO_THROW( B.colRange(0,2).copyTo(A.row(0)) );

    EXPECT_EQ( 1.0f, A(0,0) );
    EXPECT_EQ( 1.0f, A(0,1) );
}
Example #12
0
void smoothDepth( const Mat1f &scale_map,
    const Mat1d &ii_depth_map,
    const Mat_<uint32_t>& ii_depth_count,
    float base_scale,
    Mat1f &depth_out )
{
  float nan = std::numeric_limits<float>::quiet_NaN();
  depth_out.create( ii_depth_map.rows-1, ii_depth_map.cols-1 );
  for ( int y = 0; y < ii_depth_map.rows-1; y++ )
  {
    for ( int x = 0; x < ii_depth_map.cols-1; ++x )
    {
      float s = scale_map[y][x] * base_scale + 0.5f;

      if ( isnan(s) )
      {
        depth_out(y,x) = nan;
        continue;
      }

      if ( s < 5 ) s=5;

      const int s_floor = s;
      const float t = s - s_floor;

      if ( !checkBounds( ii_depth_map, x, y, 1 ) )
      {
        depth_out(y,x) = nan;
        continue;
      }

      depth_out(y,x) = (1.0-t) * meanDepth( ii_depth_map, ii_depth_count, x, y, s_floor )
          + t * meanDepth( ii_depth_map, ii_depth_count, x, y, s_floor+1 );
    }
  }
}
    void callback(const CloudXYZ::ConstPtr& cld,
                  const sensor_msgs::ImageConstPtr& img,
                  const sensor_msgs::ImageConstPtr& img_seg)
    {
        namespace img_enc=sensor_msgs::image_encodings;

        // Solve all of perception here...
        mtx_.lock ();
        {
            cloud_.reset(new CloudXYZ(*cld)); ///< @todo avoid copy

            try {
                cv_bridge::CvImageConstPtr cv_img_ptr;
                cv_img_ptr = cv_bridge::toCvShare(img, img_enc::BGR8);

                ni::normalizeColors(cv_img_ptr->image, img_normalized_colors_);
                //img_normalized_colors_.convertTo(img_normalized_colors_8bit_, CV_8UC3, 255.f);
            }
            catch (cv_bridge::Exception& e) {

                ROS_ERROR("cv_bridge exception for img message: %s", e.what());
                return;
            }

            try {
                cv_bridge::CvImageConstPtr cv_img_ptr;
                cv_img_ptr = cv_bridge::toCvShare(img_seg, img_enc::MONO8);
                cv_img_ptr->image.convertTo(img_seg_, CV_32FC1);
            }
            catch (cv_bridge::Exception& e) {

                ROS_ERROR("cv_bridge exception for img_seg message: %s", e.what());
                return;
            }

            // External inputs from messages extracted...
            // Now to processing...

            sig_.Clear();
            sig_.Append(name_in_cld_, cloud_);
            sig_.Append(name_in_img_, static_cast<Mat1f>(img_normalized_colors_));
            sig_.Append(name_in_seg_, img_seg_);

            for(size_t i=0; i<layers_.size(); i++) {

                layers_[i]->Activate(sig_);
                layers_[i]->Response(sig_);
            }

            //imshow("depth_map", ConvertTo8U(sig_.MostRecentMat1f("depth_map")));
            imshow("map_gray_", ConvertTo8U(sig_.MostRecentMat1f("map_gray_")));

            {
                Mat1f tmp = sig_.MostRecentMat1f("map_gray_");
                std::set<int> seg;
                for(size_t i=0; i<tmp.total(); i++) {

                    seg.insert(static_cast<int>(tmp(i)));
                }

                VecI vtmp;
                std::copy(seg.begin(), seg.end(), std::back_inserter(vtmp));

                ELM_COUT_VAR(elm::to_string(vtmp));
            }

            imshow("img_seg_", ConvertTo8U(img_seg_));
            //imshow("nes", ConvertTo8U(sig_.MostRecentMat1f("map_gray_")) != ConvertTo8U(img_seg_));
            imshow("out",  ConvertTo8U(sig_.MostRecentMat1f(name_out_)));
//            imshow("net", ConvertTo8U(sig_.MostRecentMat1f(name_out_)) != ConvertTo8U(sig_.MostRecentMat1f("name_out_2")));
            //imshow("out2",  ConvertTo8U(sig_.MostRecentMat1f("name_out_2")));

            Mat1f img = sig_.MostRecentMat1f(name_out_);
            img(0) = 12.f;

            Mat mask_not_assigned = img <= 0.f;

            Mat img_color;

            applyColorMap(ConvertTo8U(img),
                          img_color,
                          COLORMAP_HSV);

            img_color.setTo(Scalar(0), mask_not_assigned);

            imshow("img_color", img_color);
            waitKey(0);

            // convert in preparation to publish depth map image
            sensor_msgs::ImagePtr img_msg = cv_bridge::CvImage(
                        std_msgs::Header(),
                        sensor_msgs::image_encodings::BGR8,
                        img_color).toImageMsg();

            img_pub_.publish(img_msg);
        }
        mtx_.unlock (); // release mutex
    }