[人工智能]opencv读写多图片

#include<iostream>
#include<opencv2/opencv.hpp>
#include<string>
#include<fstream>
#include<vector>
using namespace cv;
int main()
{
	string path="E:/picture/*.jpg";
	vector<string>image_file;//遍历所有文件
	cv::glob(path, image_file);
		if (image_file.size() == 0)
	{
		cout << "no .jpg";
		return 3;
	}
	for (int i = 0; i < image_file.size(); ++i) {
		Mat image = imread(image_file[i]);
		imwrite("D:\\picture\\"+to_string(i)+".png", image);
		imshow(to_string(i),image);
		waitKey(10);
	}
	waitKey(0);
	return 0;	
}