I'm trying to make a Real-Time Tracking Application in C++ using OpenCv. My Code works so far, but the displayed camera Resolution is too small. If I take a picture/video using the Windows Camera Application the Resolution is 1280x720, the displayed resolution in my program is 639x479. This is my code:
using namespace cv;
using namespace std;
int main(int argc)
{
VideoCapture camera(0);
if (!camera.isOpened()) {
cerr << "ERROR: Could not open camera" << endl;
return 1;
}
namedWindow("Webcam");
Mat frame;
while (1) {
camera >> frame;
imshow("Webcam", frame);
if (waitKey(1) >= 0) {
break;
}
}
return 0;
}
I tried using resizeWindow("Webcam", 1280, 720)
but the window autosizes back to 639x479. If I put the Window in Fullscreen, the camera resolution is still 639x479. I think the problem is some VideoCapture default, but I'm not sure. How can I set the captured and displayed resolution to 1280x720?
This could also be a driver problem (see answers.opencv, the problem occurs often). Also you can try camera.set(CAP_PROP_FRAME_WIDTH, 1280.0)
and the same for the height.
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