Opencv系列6_opencv指定路径批量读取JPG图像并构建容器显示

短命女 2022-09-03 03:26 191阅读 0赞

#  **实例6：opencv指定路径批量读取JPG图像并构建容器显示** #

#include <iostream>
    #include <io.h>  // 当中含有_finddata_t
    #include <string>
    #include <vector>
    
    #include <opencv2/core/core.hpp>
    #include <opencv2/highgui/highgui.hpp>
    #include <opencv2/imgproc/imgproc.hpp>
    
    #define NUMBER 9 //(CT文件数量为NUMBER-1)
    
    using namespace std;
    using namespace cv;
    
    int main()
    {	
    		vector<Mat> images;
    		for (int a = 1; a < NUMBER;a++)  // a <=Count would do one too many...
    		{
    			string filename = format("F:\\Software\\VTK8.2.0\\vtk1\\helloVtk\\JPG_images\\%d.jpg", a);
    			Mat img = imread(filename); // pgm implies grayscale, maybe even: imread(name,0); to return CV_8U
    			if (img.empty())      // please, *always check* resource-loading.
    			{
    				cerr << "whaa " << filename << " can't be loaded!" << endl;
    				continue;
    			}
    			images.push_back(img);
    		}
    		//将读取在容器中的图像进行逐张显示
    		for(int k=1;k< NUMBER;k++)
    		{
    			imshow("vector", images[k-1]);  
    			waitKey();//等待键盘输入
    		}
    		return 0;
    }

读取JPG图像路径：

![20210421111408147.png][]

图像显示：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzMyODA5MDkz_size_16_color_FFFFFF_t_70][] ![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzMyODA5MDkz_size_16_color_FFFFFF_t_70 1][]

**[本例程配套素材见源码整理文章下载（点击进入）][Link 1]**

[20210421111408147.png]: /images/20220829/0f4ea48b5f2a45688b17d8b1ecad507e.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzMyODA5MDkz_size_16_color_FFFFFF_t_70]: https://img-blog.csdnimg.cn/2021042111035512.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzMyODA5MDkz,size_16,color_FFFFFF,t_70
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzMyODA5MDkz_size_16_color_FFFFFF_t_70 1]: /images/20220829/1b4ccd6d2c40492cbdc229059ece867b.png
[Link 1]: https://blog.csdn.net/qq_32809093/article/details/115689942