函数定义

图像上下阈值的确定是一门技术活

#include <vector>
#include <stdio.h>
#include<opencv2/opencv.hpp>
using namespace cv;
using namespace std;int main()
{Mat Img = imread("../picture/pic.jpg");imshow("原图",Img);Mat  dstImage,grayImage, edge,cannyImage;//复制的待变换图，灰度图，边缘图//创建原图同类型同大小的矩阵dstImage.create(Img.size(), Img.type());cannyImage.create(Img.size(), Img.type());//转灰度cvtColor(Img, grayImage, COLOR_BGR2GRAY);//高斯滤波降噪blur(grayImage, edge, Size(3,3));Canny(edge,cannyImage,3,9,3);imshow("3-9-3canny算子", cannyImage);blur(grayImage, edge, Size(3, 3));Canny(edge, cannyImage, 3, 100, 3);imshow("3-100-3canny算子", cannyImage);waitKey(0);return 0;
}