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安装OpenCvSharp4

在解决方案资源管理器中，右键单击项目名称，选择“管理 NuGet 包”。搜索并安装以下包：

• OpenCvSharp4
• OpenCvSharp4.Extensions
• OpenCvSharp4.runtime.win
• System.Management
  

using OpenCvSharp;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;namespace OpenCvDemo
{/// <summary>/// Interaction logic for MainWindow.xaml/// </summary>public partial class MainWindow : System.Windows.Window{public MainWindow(){InitializeComponent();OpencvTest();}private void OpencvTest(){string imgPath = "D:\\笔记\\python.jpg";Mat srcImage = Cv2.ImRead(imgPath);if (srcImage.Empty()){}else {Mat hsvImage = new Mat();Cv2.CvtColor(srcImage, hsvImage, ColorConversionCodes.BGR2HSV);// 转为灰度图Mat grayImage = new Mat();Cv2.CvtColor(srcImage, grayImage, ColorConversionCodes.BGR2GRAY);// 高斯模糊，减少噪声Mat blurredImage = new Mat();Cv2.GaussianBlur(grayImage, blurredImage, new OpenCvSharp.Size(5, 5), 1.5);// Cannny算子进行边缘检测Mat edges = new Mat();Cv2.Canny(blurredImage, edges, 100, 200);// 显示图片Cv2.ImShow("原始图片", srcImage);Cv2.ImShow("灰度图片", grayImage);Cv2.ImShow("高斯模糊", blurredImage);Cv2.ImShow("HSV图片", hsvImage);Cv2.ImShow("边缘检测结果", edges);Cv2.WaitKey(0);Cv2.DestroyAllWindows();}}}
}

运行结果：