Question

opencv如何给单通道的Mat赋值

Mat dist(10,10,CV_8UC1);
循环体的赋值语句怎么写

Answer 1

RNG rng;
Mat dist(10, 10, CV_8UC1);
for (int i = 0; i<dist.rows; ++i)
{
for (int j = 0; j<dist.cols; ++j)
{
uchar& val = dist.at<uchar>(i, j);
val = rng.uniform(0, 255);
}
}