halcon-fast_threshold快速閾值
阿新 • • 發佈:2022-03-03
在HDevelop中
ma.jpg
dev_update_off() read_image (Image, 'D:/bb/tu/ma.jpg') rgb1_to_gray(Image,Image1) *將RGB影象轉換為灰度影象 get_image_size (Image1, Width, Height) dev_open_window(10,10,Width, Height,'black',WindowHandle) fast_threshold (Image1, Region, 10, 80, 100) *快速閾值 *引數1:輸入影象 *引數2:輸出區域 *引數3:最小閾值 *引數4:最大閾值*引數5:提取畫素的最小大小。預設值:20;忽略小於這個值的區域 dev_display(Region)
在Qt Creator中
HObject ho_Image, ho_Image1, ho_Region;
HTuple hv_Width, hv_Height, hv_WindowHandle;
ReadImage(&ho_Image, "D:/bb/tu/ma.jpg"); Rgb1ToGray(ho_Image, &ho_Image1); //將RGB影象轉換為灰度影象 GetImageSize(ho_Image1,&hv_Width, &hv_Height); SetWindowAttr("background_color","black"); OpenWindow(10,10,hv_Width,hv_Height,0,"visible","",&hv_WindowHandle); HDevWindowStack::Push(hv_WindowHandle); FastThreshold(ho_Image1, &ho_Region, 10, 80, 100); //快速閾值 //引數1:輸入影象 //引數2:輸出區域 //引數3:最小閾值//引數4:最大閾值 //引數5:提取畫素的最小大小。預設值:20;忽略小於這個值的區域 if (HDevWindowStack::IsOpen()) DispObj(ho_Region, HDevWindowStack::GetActive());