198 lines
4.1 KiB
C++
198 lines
4.1 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/utility.hpp"
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#include "opencv2/gpu.hpp"
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#include "opencv2/highgui.hpp"
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using namespace std;
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using namespace cv;
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using namespace cv::gpu;
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enum Method
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{
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FGD_STAT,
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MOG,
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MOG2,
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#ifdef HAVE_OPENCV_NONFREE
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VIBE,
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#endif
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GMG
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};
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int main(int argc, const char** argv)
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{
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cv::CommandLineParser cmd(argc, argv,
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"{ c camera | | use camera }"
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"{ f file | 768x576.avi | input video file }"
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"{ m method | mog | method (fgd, mog, mog2, vibe, gmg) }"
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"{ h help | | print help message }");
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if (cmd.has("help") || !cmd.check())
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{
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cmd.printMessage();
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cmd.printErrors();
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return 0;
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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>("method");
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if (method != "fgd"
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&& method != "mog"
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&& method != "mog2"
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#ifdef HAVE_OPENCV_NONFREE
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&& method != "vibe"
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#endif
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&& method != "gmg")
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{
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cerr << "Incorrect method" << endl;
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return -1;
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}
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Method m = method == "fgd" ? FGD_STAT :
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method == "mog" ? MOG :
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method == "mog2" ? MOG2 :
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#ifdef HAVE_OPENCV_NONFREE
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method == "vibe" ? VIBE :
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#endif
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GMG;
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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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cerr << "can not open camera or video file" << endl;
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return -1;
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}
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Mat frame;
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cap >> frame;
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GpuMat d_frame(frame);
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FGDStatModel fgd_stat;
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MOG_GPU mog;
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MOG2_GPU mog2;
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#ifdef HAVE_OPENCV_NONFREE
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VIBE_GPU vibe;
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#endif
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GMG_GPU gmg;
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gmg.numInitializationFrames = 40;
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GpuMat d_fgmask;
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GpuMat d_fgimg;
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GpuMat d_bgimg;
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Mat fgmask;
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Mat fgimg;
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Mat bgimg;
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switch (m)
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{
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case FGD_STAT:
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fgd_stat.create(d_frame);
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break;
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case MOG:
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mog(d_frame, d_fgmask, 0.01f);
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break;
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case MOG2:
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mog2(d_frame, d_fgmask);
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break;
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#ifdef HAVE_OPENCV_NONFREE
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case VIBE:
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vibe.initialize(d_frame);
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break;
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#endif
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case GMG:
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gmg.initialize(d_frame.size());
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break;
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}
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namedWindow("image", WINDOW_NORMAL);
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namedWindow("foreground mask", WINDOW_NORMAL);
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namedWindow("foreground image", WINDOW_NORMAL);
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if (m != GMG
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#ifdef HAVE_OPENCV_NONFREE
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&& m != VIBE
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#endif
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)
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{
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namedWindow("mean background image", WINDOW_NORMAL);
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}
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for(;;)
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{
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cap >> frame;
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if (frame.empty())
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break;
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d_frame.upload(frame);
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int64 start = cv::getTickCount();
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//update the model
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switch (m)
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{
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case FGD_STAT:
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fgd_stat.update(d_frame);
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d_fgmask = fgd_stat.foreground;
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d_bgimg = fgd_stat.background;
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break;
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case MOG:
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mog(d_frame, d_fgmask, 0.01f);
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mog.getBackgroundImage(d_bgimg);
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break;
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case MOG2:
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mog2(d_frame, d_fgmask);
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mog2.getBackgroundImage(d_bgimg);
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break;
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#ifdef HAVE_OPENCV_NONFREE
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case VIBE:
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vibe(d_frame, d_fgmask);
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break;
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#endif
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case GMG:
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gmg(d_frame, d_fgmask);
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break;
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}
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double fps = cv::getTickFrequency() / (cv::getTickCount() - start);
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std::cout << "FPS : " << fps << std::endl;
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d_fgimg.setTo(Scalar::all(0));
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d_frame.copyTo(d_fgimg, d_fgmask);
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d_fgmask.download(fgmask);
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d_fgimg.download(fgimg);
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if (!d_bgimg.empty())
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d_bgimg.download(bgimg);
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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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if (!bgimg.empty())
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imshow("mean background image", bgimg);
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int key = waitKey(30);
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if (key == 27)
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break;
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}
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return 0;
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}
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