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I tried to initialize Mat with some int values, but it yielded error. How can I initialize Mat with some integer values? Here is my code:

int main(...)
{
Mat image(3, 3, CV_8U);

for(int y=0;y<3;y++)
{
  for(int x=0;x<3;x++)
  {
    image.at<int>(y,x)=0;//error here

  }
}
}