//----------------------------------------------------------------------
void Tools::save_mat(const MAT& input, const char* name) {
if(VERBOSE) printf("\nvoid Tools::save_mat(const MAT& input, const char* name=%s)\n",name);
// Scale the input matrix to between 0 and 255
float min = input.min();
float max = input.max();
float scale = 255.0/(max-min);
MAT scaled_input = input-min; // Translate to 0
scaled_input = scaled_input*scale; // Scale between 0, 255
cv::Mat img(scaled_input.n_rows,scaled_input.n_cols,CV_32FC1,(void*)scaled_input.memptr());
cv::imwrite( name, img );
}
//----------------------------------------------------------------------
void Tools::show_mat(const MAT& input, const char* name, bool wait) {
if(VERBOSE) printf("\nvoid Tools::show_mat(const MAT& input, const char* name=%s, bool wait=%d)\n",name,wait);
char winName[50];
// Scale the input matrix to between 0 and 1 (OpenCV Requirement)
float min = input.min();
float max = input.max();
printf("min = %f\n", min);
printf("max = %f\n", max);
MAT trans_input = input-min; // Translate to 0
float scale = 1.0/(max-min);
MAT scaled_input = trans_input*scale; // Scale between 0, 1
//cv::Mat img(input.n_rows,input.n_cols,CV_32FC1,(void*)scaled_input.memptr());
cv::Mat img(input.n_cols,input.n_rows,CV_32FC1,(void*)scaled_input.memptr());
img = img.t(); // Armadillo is column-major and OpenCV is row-major
if( img.empty() ) {
printf( "Image %s has no data!\n", name );
exit(EXIT_FAILURE);
}
sprintf( winName, "MAT %s", name );
int winFlag = CV_WINDOW_NORMAL;
cv::namedWindow( winName, winFlag );
// Only to test data... --------
#if 0
printf("OpenCV Rows = %d\n", img.rows);
printf("OpenCV Cols = %d\n", img.cols);
printf("depth = %d\n", img.depth() );
printf("channels = %d\n", img.channels() );
printf("0 |");
for(int y=0; y<img.rows; y++ ) {
if(y!=0) {
printf("%d |", y);
}
for( int x=0; x<img.cols; x++ ) {
printf(" %f ", img.at<float>(y,x)*(max-1)+min);
}
printf("|\n");
}
#endif
// -----------------------------
cv::imshow( winName, img );
if(wait) {
cv::waitKey(0);
}
}