diff --git a/samples/cpp/stereo_match.cpp b/samples/cpp/stereo_match.cpp index 0cfaba6f70..55cd89c26e 100644 --- a/samples/cpp/stereo_match.cpp +++ b/samples/cpp/stereo_match.cpp @@ -14,15 +14,16 @@ #include "opencv2/core/utility.hpp" #include +#include using namespace cv; static void print_help(char** argv) { printf("\nDemo stereo matching converting L and R images into disparity and point clouds\n"); - printf("\nUsage: %s [--algorithm=bm|sgbm|hh|sgbm3way] [--blocksize=]\n" + printf("\nUsage: %s [--algorithm=bm|sgbm|hh|hh4|sgbm3way] [--blocksize=]\n" "[--max-disparity=] [--scale=scale_factor>] [-i=] [-e=]\n" - "[--no-display] [-o=] [-p=]\n", argv[0]); + "[--no-display] [--color] [-o=] [-p=]\n", argv[0]); } static void saveXYZ(const char* filename, const Mat& mat) @@ -50,16 +51,17 @@ int main(int argc, char** argv) std::string disparity_filename = ""; std::string point_cloud_filename = ""; - enum { STEREO_BM=0, STEREO_SGBM=1, STEREO_HH=2, STEREO_VAR=3, STEREO_3WAY=4 }; + enum { STEREO_BM=0, STEREO_SGBM=1, STEREO_HH=2, STEREO_VAR=3, STEREO_3WAY=4, STEREO_HH4=5 }; int alg = STEREO_SGBM; int SADWindowSize, numberOfDisparities; bool no_display; + bool color_display; float scale; Ptr bm = StereoBM::create(16,9); Ptr sgbm = StereoSGBM::create(0,16,3); cv::CommandLineParser parser(argc, argv, - "{@arg1||}{@arg2||}{help h||}{algorithm||}{max-disparity|0|}{blocksize|0|}{no-display||}{scale|1|}{i||}{e||}{o||}{p||}"); + "{@arg1||}{@arg2||}{help h||}{algorithm||}{max-disparity|0|}{blocksize|0|}{no-display||}{color||}{scale|1|}{i||}{e||}{o||}{p||}"); if(parser.has("help")) { print_help(argv); @@ -74,12 +76,14 @@ int main(int argc, char** argv) _alg == "sgbm" ? STEREO_SGBM : _alg == "hh" ? STEREO_HH : _alg == "var" ? STEREO_VAR : + _alg == "hh4" ? STEREO_HH4 : _alg == "sgbm3way" ? STEREO_3WAY : -1; } numberOfDisparities = parser.get("max-disparity"); SADWindowSize = parser.get("blocksize"); scale = parser.get("scale"); no_display = parser.has("no-display"); + color_display = parser.has("color"); if( parser.has("i") ) intrinsic_filename = parser.get("i"); if( parser.has("e") ) @@ -238,6 +242,8 @@ int main(int argc, char** argv) sgbm->setMode(StereoSGBM::MODE_HH); else if(alg==STEREO_SGBM) sgbm->setMode(StereoSGBM::MODE_SGBM); + else if(alg==STEREO_HH4) + sgbm->setMode(StereoSGBM::MODE_HH4); else if(alg==STEREO_3WAY) sgbm->setMode(StereoSGBM::MODE_SGBM_3WAY); @@ -254,7 +260,7 @@ int main(int argc, char** argv) if (disp.type() == CV_16S) disparity_multiplier = 16.0f; } - else if( alg == STEREO_SGBM || alg == STEREO_HH || alg == STEREO_3WAY ) + else if( alg == STEREO_SGBM || alg == STEREO_HH || alg == STEREO_HH4 || alg == STEREO_3WAY ) { sgbm->compute(img1, img2, disp); if (disp.type() == CV_16S) @@ -268,22 +274,13 @@ int main(int argc, char** argv) disp.convertTo(disp8, CV_8U, 255/(numberOfDisparities*16.)); else disp.convertTo(disp8, CV_8U); - if( !no_display ) - { - namedWindow("left", 1); - imshow("left", img1); - namedWindow("right", 1); - imshow("right", img2); - namedWindow("disparity", 0); - imshow("disparity", disp8); - printf("press any key to continue..."); - fflush(stdout); - waitKey(); - printf("\n"); - } + + Mat disp8_3c; + if (color_display) + cv::applyColorMap(disp8, disp8_3c, COLORMAP_TURBO); if(!disparity_filename.empty()) - imwrite(disparity_filename, disp8); + imwrite(disparity_filename, color_display ? disp8_3c : disp8); if(!point_cloud_filename.empty()) { @@ -297,5 +294,35 @@ int main(int argc, char** argv) printf("\n"); } + if( !no_display ) + { + std::ostringstream oss; + oss << "disparity " << (alg==STEREO_BM ? "bm" : + alg==STEREO_SGBM ? "sgbm" : + alg==STEREO_HH ? "hh" : + alg==STEREO_VAR ? "var" : + alg==STEREO_HH4 ? "hh4" : + alg==STEREO_3WAY ? "sgbm3way" : ""); + oss << " blocksize:" << (alg==STEREO_BM ? SADWindowSize : sgbmWinSize); + oss << " max-disparity:" << numberOfDisparities; + std::string disp_name = oss.str(); + + namedWindow("left", cv::WINDOW_NORMAL); + imshow("left", img1); + namedWindow("right", cv::WINDOW_NORMAL); + imshow("right", img2); + namedWindow(disp_name, cv::WINDOW_AUTOSIZE); + imshow(disp_name, color_display ? disp8_3c : disp8); + + printf("press ESC key or CTRL+C to close..."); + fflush(stdout); + printf("\n"); + while(1) + { + if(waitKey() == 27) //ESC (prevents closing on actions like taking screenshots) + break; + } + } + return 0; }