halconhom_mat2d_translate计算平移变换矩阵

在HDevelop中

5.png

dev_update_window ('off')
read_image(Image,'D:/bb/tu/5.jpg')
rgb1_to_gray(Image,Image1)
threshold (Image1, Region, 70, 100)

hom_mat2d_identity (HomMat2D)
*创建一个仿射变换矩阵
hom_mat2d_translate (HomMat2D, -140, 0, HomMat2DTranslate)
*计算平移变换矩阵
*参数1：输入变换矩阵
*参数2：Row方向(y方向)的平移量
*参数3：Column方向(x方向)的平移量
*参数4：输出变换矩阵

affine_trans_region (Region, RegionAffineTrans, HomMat2DTranslate, 'nearest_neighbor')
*对区域应用任意仿射2D变换
dev_open_window(0,0,521,338,'black',WindowHandle)
dev_display(RegionAffineTrans)

在QtCreator中

    HObject  ho_Image, ho_Image1, ho_Region, ho_RegionAffineTrans;
    HTuple  hv_HomMat2D, hv_HomMat2DTranslate, hv_WindowHandle;

    ReadImage(&ho_Image, "D:/bb/tu/5.jpg");
    Rgb1ToGray(ho_Image, &ho_Image1);
    Threshold(ho_Image1, &ho_Region, 70, 100);

    HomMat2dIdentity(&hv_HomMat2D);
    //创建一个仿射变换矩阵
    HomMat2dTranslate(hv_HomMat2D, -140, 0, &hv_HomMat2DTranslate);
    //计算平移变换矩阵
    //参数1：输入变换矩阵
    //参数2：Row方向(y方向)的平移量
    //参数3：Column方向(x方向)的平移量
    //参数4：输出变换矩阵

    AffineTransRegion(ho_Region, &ho_RegionAffineTrans, hv_HomMat2DTranslate, "nearest_neighbor");
    //对区域应用任意仿射2D变换
    SetWindowAttr("background_color","black");
    OpenWindow(0,0,521,338,0,"visible","",&hv_WindowHandle);
    HDevWindowStack::Push(hv_WindowHandle);
    if (HDevWindowStack::IsOpen())
      DispObj(ho_RegionAffineTrans, HDevWindowStack::GetActive());