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I have a cv::Mat color and to print the color I use cout << color.at<cv::vec3b>(row,col); It gives me [100,100,100].

but when I use cout << color.at<cv::vec3b>(row,col)[0] I get weird characters.

I have a cv::Mat color and to print the color I use cout << color.at<cv::vec3b>(row,col); It gives me [100,100,100].

but when I use cout << color.at<cv::vec3b>(row,col)[0] I get weird characters.

uint8_t r = color.at<cv::Vec3b>(row,col)[0]
cout << unsigned(r);