ReadImage(&ho_Image, "D:/bb/tu/1.jpg");
Rgb1ToGray(ho_Image, &ho_GrayImage);
EdgesSubPix(ho_GrayImage, &ho_Edges, "canny", 1, 5, 10);
//亚像素边缘
UnionAdjacentContoursXld(ho_Edges, &ho_UnionContours, 10, 1, "attr_keep");
//合并轮廓
//参数1:需要合并的轮廓集
//参数2:输出轮廓
//参数3:两个轮廓之间可接受的最大绝对距离。沿参考轮廓的回归线测量距离。因此,它是两条轮廓线之间的间隙投影到参考回归线上的长度。看下面图理解
//参数4:两个轮廓之间可接受的最大相对距离。通过将距离a除以参考轮廓的长度b来计算相对距离.看下面图理解
//参数5:默认即可
GetImageSize(ho_GrayImage, &hv_Width, &hv_Height);
SetWindowAttr("background_color","black");
OpenWindow(10,10,hv_Width,hv_Height,0,"visible","",&hv_WindowHandle);
HDevWindowStack::Push(hv_WindowHandle);
if (HDevWindowStack::IsOpen())
DispObj(ho_Edges, HDevWindowStack::GetActive());
SetWindowAttr("background_color","black");
OpenWindow(10,10,hv_Width,hv_Height,0,"visible","",&hv_WindowHandle1);
HDevWindowStack::Push(hv_WindowHandle1);
if (HDevWindowStack::IsOpen())
DispObj(ho_UnionContours, HDevWindowStack::GetActive());