读取tiff图，并转成彩色PNG图保存（c++，opencv）

#include <iostream>
#include <opencv2/opencv.hpp>

using namespace std;
using namespace cv;

int main()
{
    
    
	std::vector<cv::String> filenames;
	cv::String folder = "/*.tiff";
	cv::glob(folder, filenames);
	for (int i = 0; i < filenames.size(); i++)
	{
    
    
		vector<cv::Mat> Mat_list;
		bool is_empty = cv::imreadmulti(filenames[i], Mat_list);
		
		cv::Mat Image_DH = Mat_list[0];
		cv::Mat Image_R = Mat_list[1];
		cv::Mat Image_G = Mat_list[2];
		cv::Mat Image_B = Mat_list[3];

		int width = Image_DH.cols;
		int height = Image_DH.rows;
		
		//创建一个最终保存的模板
		cv::Mat result;
		//创建一个三通道的图像模板，来接收三个通道的信息，便于调节顺序
		cv::Mat imgs[3];
		imgs[2] = Image_R;
		imgs[1] = Image_G;
		imgs[0] = Image_B;
		
		//合并通道
		cv::merge(imgs, 3, result);

		cv::imwrite("\\" + to_string(i) + ".png", result);
		cout << "第" << i << "张tiff已转成png格式" << endl;
	/*	cv::namedWindow("result", WINDOW_NORMAL);
		cv::imshow("result", result);
		cv::waitKey(0);*/
	}
	cout << "全部转换完毕" << endl;
	return 0;
}