Mat 使用总结

1.Mat 参数修改注意

Mat a = Mat::ones(3, 4, CV_64F);

Mat b = a;//a change,b change
Mat c = Mat::zeros(3, 4, CV_64F);
c = a;//a change, c change
Mat d = a.clone();//a change, d not change
a.at<double>(1, 1) = 3;
a.at<double>(2, 2) = 4;

print(a);
print(b);
print(c);
print(d);