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Open Source Computer Vision Library
https://opencv.org/
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136 lines
2.8 KiB
136 lines
2.8 KiB
11 years ago
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#include <iostream>
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#include <string>
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#include "opencv2/core/core.hpp"
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#include "opencv2/ocl/ocl.hpp"
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#include "opencv2/highgui/highgui.hpp"
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using namespace std;
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using namespace cv;
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using namespace cv::ocl;
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#define M_MOG 1
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#define M_MOG2 2
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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 | false | use camera }"
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"{ f | file | 768x576.avi | input video file }"
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"{ m | method | mog | method (mog, mog2) }"
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"{ h | help | false | print help message }");
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if (cmd.get<bool>("help"))
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{
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cout << "Usage : bgfg_segm [options]" << endl;
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cout << "Avaible options:" << endl;
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cmd.printParams();
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return 0;
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}
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bool useCamera = cmd.get<bool>("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 != "mog" && method != "mog2")
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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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int m = method == "mog" ? M_MOG : M_MOG2;
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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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std::vector<cv::ocl::Info>info;
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cv::ocl::getDevice(info);
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Mat frame;
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cap >> frame;
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oclMat d_frame(frame);
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cv::ocl::MOG mog;
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cv::ocl::MOG2 mog2;
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oclMat d_fgmask;
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oclMat d_fgimg;
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oclMat d_bgimg;
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d_fgimg.create(d_frame.size(), d_frame.type());
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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 M_MOG:
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mog(d_frame, d_fgmask, 0.01f);
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break;
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case M_MOG2:
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mog2(d_frame, d_fgmask);
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break;
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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 M_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 M_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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}
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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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