halcon-hom_mat2d_translate計算平移變換矩陣

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)
*創建一個仿射變換矩陣
hom_mat2d_translate (HomMat2D, -140, 0, HomMat2DTranslate)
*計算平移變換矩陣
*參數1：輸入變換矩陣
*參數2：Row方向(y方向)的平移量
*參數3：Column方向(x方向)的平移量
*參數4：輸出變換矩陣

affine_trans_region (Region, RegionAffineTrans, HomMat2DTranslate, 'nearest_neighbor')
*對區域應用任意仿射2D變換
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);
    //創建一個仿射變換矩陣
    HomMat2dTranslate(hv_HomMat2D, -140, 0, &hv_HomMat2DTranslate);
    //計算平移變換矩陣
    //參數1：輸入變換矩陣
    //參數2：Row方向(y方向)的平移量
    //參數3：Column方向(x方向)的平移量
    //參數4：輸出變換矩陣

    AffineTransRegion(ho_Region, &ho_RegionAffineTrans, hv_HomMat2DTranslate, "nearest_neighbor");
    //對區域應用任意仿射2D變換
    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());