开运算：对区域先进行腐蚀操作，然后对腐蚀的结果再进行膨胀操作，称为开运算
开运算特点：具有与腐蚀相似的特点，但是能够防止区域腐蚀过度，能够很好的保持区域的形状。
效果：能去除毛刺
opening_circle区域圆开运算
在HDevelop中
dev_update_off()
read_image (Image, 'D:/bb/tu/1.jpg')
rgb1_to_gray(Image,Image1)
threshold (Image1, Region, 200, 230)
opening_circle (Region, RegionOpening, 2.5)
*区域圆开运算
*参数1：要开运算的区域
*参数2：输出区域
*结构圆半径
get_image_size (Image1, Width, Height)
dev_open_window(10,10,Width, Height,'black',WindowHandle)
dev_display(Region)
dev_open_window(10,100,Width, Height,'black',WindowHandle1)
dev_display(RegionOpening)
在QtCreator中
HObject ho_Image, ho_Image1, ho_Region, ho_RegionOpening;
HTuple hv_Width, hv_Height, hv_WindowHandle;
HTuple hv_WindowHandle1;
ReadImage(&ho_Image, "D:/bb/tu/1.jpg");
Rgb1ToGray(ho_Image, &ho_Image1);
Threshold(ho_Image1, &ho_Region, 200, 230);
OpeningCircle(ho_Region, &ho_RegionOpening, 2.5);
//区域圆开运算
//参数1：要开运算的区域
//参数2：输出区域
//结构圆半径
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);
if (HDevWindowStack::IsOpen())
DispObj(ho_Region, HDevWindowStack::GetActive());
SetWindowAttr("background_color","black");
OpenWindow(10,100,hv_Width,hv_Height,0,"visible","",&hv_WindowHandle1);
HDevWindowStack::Push(hv_WindowHandle1);
if (HDevWindowStack::IsOpen())
DispObj(ho_RegionOpening, HDevWindowStack::GetActive());
opening_rectangle1区域矩形开运算
在HDevelop中
dev_update_off()
read_image (Image, 'D:/bb/tu/2.jpg')
rgb1_to_gray(Image,Image1)
threshold (Image1, Region, 200, 230)
opening_rectangle1 (Region, RegionOpening, 10, 10)
*区域矩形开运算
*参数1：要开运算的区域
*参数2：输出区域
*结构矩形的宽和高
get_image_size (Image1, Width, Height)
dev_open_window(10,10,Width, Height,'black',WindowHandle)
dev_display(Region)
dev_open_window(10,100,Width, Height,'black',WindowHandle1)
dev_display(RegionOpening)
在Qt Creator中
HObject ho_Image, ho_Image1, ho_Region, ho_RegionOpening;
HTuple hv_Width, hv_Height, hv_WindowHandle;
HTuple hv_WindowHandle1;
ReadImage(&ho_Image, "D:/bb/tu/2.jpg");
Rgb1ToGray(ho_Image, &ho_Image1);
Threshold(ho_Image1, &ho_Region, 200, 230);
OpeningRectangle1(ho_Region, &ho_RegionOpening, 10, 10);
//区域矩形开运算
//参数1：要开运算的区域
//参数2：输出区域
//结构矩形的宽和高
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);
if (HDevWindowStack::IsOpen())
DispObj(ho_Region, HDevWindowStack::GetActive());
SetWindowAttr("background_color","black");
OpenWindow(10,100,hv_Width,hv_Height,0,"visible","",&hv_WindowHandle1);
HDevWindowStack::Push(hv_WindowHandle1);
if (HDevWindowStack::IsOpen())
DispObj(ho_RegionOpening, HDevWindowStack::GetActive());
gray_opening_rect图像开运算
在HDevelop中
dev_update_off()
read_image (Image, 'D:/bb/tu/2.jpg')
rgb1_to_gray(Image,Image1)
gray_opening_rect (Image1, ImageOpening, 11, 11)
*图像开运算
*参数1：要开运算的单通道图像
*参数2：输出图像
*结构矩形的宽和高
get_image_size (Image1, Width, Height)
dev_open_window(10,100,Width, Height,'black',WindowHandle)
dev_display(Image1)
dev_open_window(10,100,Width, Height,'black',WindowHandle1)
dev_display(ImageOpening)
在Qt Creator中
HObject ho_Image, ho_Image1, ho_ImageOpening;
HTuple hv_Width, hv_Height, hv_WindowHandle;
HTuple hv_WindowHandle1;
ReadImage(&ho_Image, "D:/bb/tu/2.jpg");
Rgb1ToGray(ho_Image, &ho_Image1);
GrayOpeningRect(ho_Image1, &ho_ImageOpening, 11, 11);
//图像开运算
//参数1：要开运算的单通道图像
//参数2：输出图像
//结构矩形的宽和高
GetImageSize(ho_Image1, &hv_Width, &hv_Height);
SetWindowAttr("background_color","black");
OpenWindow(10,100,hv_Width,hv_Height,0,"visible","",&hv_WindowHandle);
HDevWindowStack::Push(hv_WindowHandle);
if (HDevWindowStack::IsOpen())
DispObj(ho_Image1, HDevWindowStack::GetActive());
SetWindowAttr("background_color","black");
OpenWindow(10,100,hv_Width,hv_Height,0,"visible","",&hv_WindowHandle1);
HDevWindowStack::Push(hv_WindowHandle1);
if (HDevWindowStack::IsOpen())
DispObj(ho_ImageOpening, HDevWindowStack::GetActive());
gray_opening_shape图像开运算
在HDevelop中
dev_update_off()
read_image (Image, 'D:/bb/tu/2.jpg')
rgb1_to_gray(Image,Image1)
gray_opening_shape (Image1, ImageOpening, 11, 11, 'octagon')
*图像开运算
*参数1：要开运算的单通道图像
*参数2：输出图像
*参数3和参数4：结构矩形的宽和高
*参数5：结构元形状
* 'octagon' 八角形
* 'rectangle' 矩形
* 'rhombus' 棱形
get_image_size (Image1, Width, Height)
dev_open_window(10,100,Width, Height,'black',WindowHandle)
dev_display(Image1)
dev_open_window(10,100,Width, Height,'black',WindowHandle1)
dev_display(ImageOpening)
在Qt Creator中
HObject ho_Image, ho_Image1, ho_ImageOpening;
HTuple hv_Width, hv_Height, hv_WindowHandle;
HTuple hv_WindowHandle1;
ReadImage(&ho_Image, "D:/bb/tu/2.jpg");
Rgb1ToGray(ho_Image, &ho_Image1);
GrayOpeningShape(ho_Image1, &ho_ImageOpening, 11, 11, "octagon");
//图像开运算
//参数1：要开运算的单通道图像
//参数2：输出图像
//参数3和参数4：结构矩形的宽和高
//参数5：结构元形状
// 'octagon' 八角形
// 'rectangle' 矩形
// 'rhombus' 棱形
GetImageSize(ho_Image1, &hv_Width, &hv_Height);
SetWindowAttr("background_color","black");
OpenWindow(10,100,hv_Width,hv_Height,0,"visible","",&hv_WindowHandle);
HDevWindowStack::Push(hv_WindowHandle);
if (HDevWindowStack::IsOpen())
DispObj(ho_Image1, HDevWindowStack::GetActive());
SetWindowAttr("background_color","black");
OpenWindow(10,100,hv_Width,hv_Height,0,"visible","",&hv_WindowHandle1);
HDevWindowStack::Push(hv_WindowHandle1);
if (HDevWindowStack::IsOpen())
DispObj(ho_ImageOpening, HDevWindowStack::GetActive());
