我试图在OpenCV Mat中绘制一个简单的矩形,但程序在调用rectangle函数时崩溃。
void wxFrameFrame::OnButton1Click(wxCommandEvent& event)
{
Mat A(480,640,CV_32F);
Point p1(10, 10);
Point p2(20,200);
rectangle(A, p1, p2, Scalar(255,0,255,0), 0);
// Show what you got
namedWindow( "src", CV_WINDOW_