How to fill Matrix with zeros in OpenCV?

Question

The code below causes an exception. Why?

#include 
#include 

using namespace cv;
using namespace std;

void mai         


        

Answer 1

If You are more into programming with templates, You may also do it this way...

template
... some algo ...
cv::Mat mat = cv::Mat_<_Tp>::zeros(rows, cols);
mat.at<_Tp>(i, j) = val;