varvalidImage1 =newMat; varvalidImage2 =newMat; image1.ConvertTo(validImage1, MatType.CV_32F);//数据类型转换为 float,防止后续计算出现错误 image2.ConvertTo(validImage2, MatType.CV_32F); Mat image1_1 = validImage1.Mul(validImage1);//图像乘积 Mat image2_2 = validImage2.Mul(validImage...
ImreadModes.GrayScale);Vec4f[]lines;double[]widths;double[]precisions;double[]nfas;ls.Detect(image,outlines,outwidths,outprecisions,outnfas);// Do something with the lines, widths, precisions and nfasusingOpenCvSharp;LineSegmentDetectorls=LineSegmentDetector.Create();Matimage=newMat("input...
2. 读取图像并转换格式 Mat img = Cv2.ImRead("path_to_image.jpg"); if (img.Empty()) { Console.WriteLine("Error loading image!"); return; } img.ConvertTo(img, MatType.CV_8UC3); // 确保图像是3通道的 3. 调用检测函数 using (var vector = new VectorOfRect()) { hog.DetectMultiScal...
复制 using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;using OpenCvSharp;// 导入OpenCvSharp命名空间namespace ReadImageUseOpenCvSharp4{publicclassProgram{staticvoidMain(string[]args){Mat img=Cv2.ImRead("images/lena.png");// 读取本地图像Cv2.I...
点击搜索结果中的 “OpenCvSharp4.runtime.win”-》到 右边 点击 “安装” 安装完成之后,验证程序: usingSystem;usingOpenCvSharp;classProgram{staticvoidMain(){Matimg=Cv2.ImRead("path/to/image.jpg",ImreadModes.Unchanged);Cv2.ImWrite("path/to/image_new.jpg",img);}} ...
using System; using OpenCvSharp; class Program { static void Main(string[] args) { // 读取图片 Mat src = Cv2.ImRead("path_to_your_image.jpg", ImreadModes.Color); if (src.Empty()) { Console.WriteLine("Could not open or find the image!"); return; } // 转换为灰度图像 Mat dst =...
cout << "could not load image...\n" << endl; return -1; } imshow("input", src); Mat dst; dst.create(src.size(), src.type());//构造一张与src大小类型一致的图片dst int height = src.rows; int width = src.cols; int nc = src.channels(); ...
/// 摘要:// Loads an image from a file./// 参数:// fileName:// Name of file to be loaded./// flags:// Specifies color type of the loaded imagepublicstaticMatImRead(stringfileName,ImreadModesflags=ImreadModes.Color);/// 摘要:// Specifies colorness and Depth of the loaded image[Fla...
边缘Mat imgCanny=newMat();Cv2.Canny(imgMedian,imgCanny,50,150);// 膨胀边缘Mat kernel=Cv2.GetStructuringElement(MorphShapes.Rect,newSize(2,2));Cv2.Dilate(imgCanny,imgCanny,kernel);// 反转,变成黑色,保证边缘是黑色imgCanny=255-imgCanny;Mat imgCannyF=newMat();imgCanny.ConvertTo(imgCannyF,Mat...
using OpenCvSharp;using System;namespace OpenCVExample{publicclassProgram{/// /// 绘制直线、矩形、圆、文字/// publicstaticvoidDrawShapes(){Mat img=newMat(512,512,MatType.CV_8UC3,newScalar(0,0,0));// 高度512,宽度512,颜色为黑色int height=img.Height;int width=img.Width;int channels=img...