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124 lines
2.9 KiB
C++
124 lines
2.9 KiB
C++
#include <iostream>
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#include <string>
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#include "opencv2/core.hpp"
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#include "opencv2/core/ocl.hpp"
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#include "opencv2/core/utility.hpp"
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#include "opencv2/videoio.hpp"
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#include "opencv2/highgui.hpp"
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#include "opencv2/video.hpp"
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using namespace std;
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using namespace cv;
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#define M_MOG2 2
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#define M_KNN 3
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int main(int argc, const char** argv)
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{
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CommandLineParser cmd(argc, argv,
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"{ c camera | false | use camera }"
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"{ f file | ../data/768x576.avi | input video file }"
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"{ t type | mog2 | method's type (knn, mog2) }"
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"{ h help | false | print help message }"
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"{ m cpu_mode | false | press 'm' to switch OpenCL<->CPU}");
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if (cmd.has("help"))
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{
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cout << "Usage : bgfg_segm [options]" << endl;
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cout << "Available options:" << endl;
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cmd.printMessage();
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return EXIT_SUCCESS;
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}
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bool useCamera = cmd.has("camera");
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string file = cmd.get<string>("file");
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string method = cmd.get<string>("type");
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if (method != "mog" && method != "mog2")
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{
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cerr << "Incorrect method" << endl;
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return EXIT_FAILURE;
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}
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int m = method == "mog2" ? M_MOG2 : M_KNN;
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VideoCapture cap;
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if (useCamera)
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cap.open(0);
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else
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cap.open(file);
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if (!cap.isOpened())
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{
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cout << "can not open camera or video file" << endl;
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return EXIT_FAILURE;
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}
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UMat frame, fgmask, fgimg;
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cap >> frame;
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fgimg.create(frame.size(), frame.type());
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Ptr<BackgroundSubtractorKNN> knn = createBackgroundSubtractorKNN();
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Ptr<BackgroundSubtractorMOG2> mog2 = createBackgroundSubtractorMOG2();
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switch (m)
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{
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case M_KNN:
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knn->apply(frame, fgmask);
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break;
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case M_MOG2:
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mog2->apply(frame, fgmask);
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break;
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}
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bool running=true;
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for (;;)
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{
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if(!running)
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break;
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cap >> frame;
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if (frame.empty())
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break;
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int64 start = getTickCount();
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//update the model
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switch (m)
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{
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case M_KNN:
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knn->apply(frame, fgmask);
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break;
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case M_MOG2:
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mog2->apply(frame, fgmask);
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break;
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}
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double fps = getTickFrequency() / (getTickCount() - start);
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std::cout << "FPS : " << fps << std::endl;
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std::cout << fgimg.size() << std::endl;
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fgimg.setTo(Scalar::all(0));
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frame.copyTo(fgimg, fgmask);
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imshow("image", frame);
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imshow("foreground mask", fgmask);
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imshow("foreground image", fgimg);
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char key = (char)waitKey(30);
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switch (key)
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{
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case 27:
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running = false;
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break;
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case 'm':
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case 'M':
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ocl::setUseOpenCL(!ocl::useOpenCL());
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cout << "Switched to " << (ocl::useOpenCL() ? "OpenCL enabled" : "CPU") << " mode\n";
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break;
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}
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}
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return EXIT_SUCCESS;
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}
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