#include "opencv2/imgcodecs.hpp"
#include "opencv2/highgui/highgui.hpp"
#include "opencv2/imgproc/imgproc.hpp"
#include <iostream>
using namespace std; using namespace cv;
//function template matching
void tmpMatch(Mat camFrame, vector<Mat> tmpPlates, vector<Mat> result, int tmpNr)
{
matchTemplate(camFrame, tmpPlates[tmpNr], result[tmpNr], CV_TM_CCOEFF_NORMED);
}
int main()
{
//declare variables
double minVal;
double maxVal;
Point minLoc;
Point maxLoc;
Point matchLoc;
string adressTmpPlateFolder = "D:\\opencv\\opencvtry1\\opencvtry1";
vector<string> tmpPlateFileNames = { "1.jpg" }; // template file names
vector<Mat> tmpPlates;
vector<Mat> result;
Mat camFrame;
vector<int> tmpWidth;
vector<int> tmpHeight;
for (int i = 0; i < tmpPlateFileNames.size(); ++i)
{
std::string tempString = adressTmpPlateFolder + tmpPlateFileNames[i];
Mat tempP = imread(tempString);
if (!tempP.empty()) cout << "succeded" << endl;
tmpPlates.push_back(tempP);
std::cout << tempString << std::endl; tempP.release();
}
// open the default camera
cv::VideoCapture cap(0);
// set screen properties
cap.set(CV_CAP_PROP_FRAME_WIDTH, 640);
cap.set(CV_CAP_PROP_FRAME_HEIGHT, 480);
cap.set(CAP_PROP_FPS, 30);

for (auto i = 0; i < tmpPlates.size(); i++)
{ //tmpWidth.push_back(camFrame.cols - tmpPlates[tmpNr].cols + 1);
tmpWidth.push_back(640 - tmpPlates[i].cols + 1);
//tmpHeight.push_back(camFrame.rows - tmpPlates[tmpNr].rows + 1); tmpHeight.push_back(480 - tmpPlates[i].rows + 1);
Mat result1(tmpHeight[i], tmpWidth[i], CV_32FC1); result.push_back(result1);
}
// check if it's all is wrong
if (!cap.isOpened())
{ // check if we succeeded
std::cout << ("Failure to open camera") << "\n";
}
// if it's all is good then:
else {
for (;;) {
// get a new frame from camera
cap >> camFrame;
//GetPresentationAttribute();
for (int tmpNr = 0; tmpNr < tmpPlates.size(); tmpNr++)
{ //set frame properties
tmpMatch(camFrame, tmpPlates, result, tmpNr);
//enhance the chance pow(result[tmpNr], 5, result[tmpNr]);
// find the best match with minMaxLoc
minMaxLoc(result[tmpNr], &minVal, &maxVal, &minLoc, &maxLoc, Mat());
matchLoc = maxLoc;
//create a rectangle to indicate most likely area
rectangle(camFrame, matchLoc, Point(matchLoc.x + tmpPlates[tmpNr].cols, matchLoc.y + tmpPlates[tmpNr].rows), Scalar::all(0), 2, 8, 0);
if (maxVal >= 0.05)
{ Mat imgPanelRoi(camFrame, Rect(matchLoc.x, matchLoc.y, tmpPlates[tmpNr].cols, tmpPlates[tmpNr].rows)); tmpPlates[tmpNr].copyTo(imgPanelRoi); }
}
//setOpenGlContext("CamStill");
cout << matchLoc.x << endl;
imshow("CamStill", camFrame);
camFrame.release();
//use the esc botton to quit
if (waitKey(1) == 27) break;
}
return 0;
}
}