int main(
int argc,
char** argv)
{
const char* filename = argc >=2 ? argv[1] : "smarties.png";
Mat src = imread( samples::findFile( filename ), IMREAD_COLOR );
printf(" Error opening image\n");
printf(" Program Arguments: [image_name -- default %s] \n", filename);
return EXIT_FAILURE;
}
cvtColor(src, gray, COLOR_BGR2GRAY);
medianBlur(gray, gray, 5);
vector<Vec3f> circles;
HoughCircles(gray, circles, HOUGH_GRADIENT, 1,
100, 30, 1, 30
);
for( size_t i = 0; i < circles.size(); i++ )
{
circle( src, center, 1,
Scalar(0,100,100), 3, LINE_AA);
int radius = c[2];
circle( src, center, radius,
Scalar(255,0,255), 3, LINE_AA);
}
imshow("detected circles", src);
waitKey();
return EXIT_SUCCESS;
}
n-dimensional dense array class
Definition mat.hpp:828
bool empty() const
Returns true if the array has no elements.
int rows
the number of rows and columns or (-1, -1) when the matrix has more than 2 dimensions
Definition mat.hpp:2154
int main(int argc, char *argv[])
Definition highgui_qt.cpp:3