mirror of
https://github.com/opencv/opencv.git
synced 2024-11-24 03:00:14 +08:00
75 lines
2.1 KiB
C++
75 lines
2.1 KiB
C++
#include "opencv2/imgproc.hpp"
|
|
#include "opencv2/highgui.hpp"
|
|
#include <iostream>
|
|
|
|
using namespace std;
|
|
using namespace cv;
|
|
|
|
int main( int argc, const char** argv )
|
|
{
|
|
CommandLineParser parser(argc, argv,
|
|
"{ i | lena_tmpl.jpg |image name }"
|
|
"{ t | tmpl.png |template name }"
|
|
"{ m | mask.png |mask name }"
|
|
"{ cm| 3 |comparison method }");
|
|
|
|
cout << "This program demonstrates the use of template matching with mask." << endl
|
|
<< endl
|
|
<< "Available methods: https://docs.opencv.org/4.x/df/dfb/group__imgproc__object.html#ga3a7850640f1fe1f58fe91a2d7583695d" << endl
|
|
<< " TM_SQDIFF = " << (int)TM_SQDIFF << endl
|
|
<< " TM_SQDIFF_NORMED = " << (int)TM_SQDIFF_NORMED << endl
|
|
<< " TM_CCORR = " << (int)TM_CCORR << endl
|
|
<< " TM_CCORR_NORMED = " << (int)TM_CCORR_NORMED << endl
|
|
<< " TM_CCOEFF = " << (int)TM_CCOEFF << endl
|
|
<< " TM_CCOEFF_NORMED = " << (int)TM_CCOEFF_NORMED << endl
|
|
<< endl;
|
|
|
|
parser.printMessage();
|
|
|
|
string filename = samples::findFile(parser.get<string>("i"));
|
|
string tmplname = samples::findFile(parser.get<string>("t"));
|
|
string maskname = samples::findFile(parser.get<string>("m"));
|
|
Mat img = imread(filename);
|
|
Mat tmpl = imread(tmplname);
|
|
Mat mask = imread(maskname);
|
|
Mat res;
|
|
|
|
if(img.empty())
|
|
{
|
|
cout << "can not open " << filename << endl;
|
|
return -1;
|
|
}
|
|
|
|
if(tmpl.empty())
|
|
{
|
|
cout << "can not open " << tmplname << endl;
|
|
return -1;
|
|
}
|
|
|
|
if(mask.empty())
|
|
{
|
|
cout << "can not open " << maskname << endl;
|
|
return -1;
|
|
}
|
|
|
|
int method = parser.get<int>("cm"); // default 3 (cv::TM_CCORR_NORMED)
|
|
matchTemplate(img, tmpl, res, method, mask);
|
|
|
|
double minVal, maxVal;
|
|
Point minLoc, maxLoc;
|
|
Rect rect;
|
|
minMaxLoc(res, &minVal, &maxVal, &minLoc, &maxLoc);
|
|
|
|
if(method == TM_SQDIFF || method == TM_SQDIFF_NORMED)
|
|
rect = Rect(minLoc, tmpl.size());
|
|
else
|
|
rect = Rect(maxLoc, tmpl.size());
|
|
|
|
rectangle(img, rect, Scalar(0, 255, 0), 2);
|
|
|
|
imshow("detected template", img);
|
|
waitKey();
|
|
|
|
return 0;
|
|
}
|