VOC数据txt文本分解读取各类图片数据

最新推荐文章于 2024-09-28 16:48:32 发布

rj_monck

最新推荐文章于 2024-09-28 16:48:32 发布

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本文链接：https://blog.youkuaiyun.com/rj1457365980/article/details/88591893

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本文介绍了一个使用C++和OpenCV进行图像处理的控制台应用实例，该程序从文本文件读取图像路径及区域坐标，对指定图像进行裁剪，并根据不同类别保存到相应目录，展示了图像识别与处理的基本流程。

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// ConsoleApplication44.cpp : 定义控制台应用程序的入口点。
//

#include "stdafx.h"
#include <stdio.h>
#include <string.h>
#include <iostream>
#include <opencv2\opencv.hpp>
using namespace std;
using namespace cv;
int main()
{
   int k1 = 0, k2 = 0, k3 = 0, k4 = 0, k5 = 0;
   string s1;
   ifstream qa; qa.open("D:/procedure/ConsoleApplication44/ConsoleApplication44/2007_test.txt");
   while (getline(qa,s1)) {
       //cout << s << endl;
       char s[256];
       strcpy(s, s1.c_str());
       //char s[] = "C:\\Users\\lbn\\Desktop\\VOC2007\\VOCtest_06-Nov-2007\\VOCdevkit\\VOC2007\\JPEGImages\\000059.jpg 110,210,328,500,3 72,272,115,356,3 125,274,171,353,3";
       char* delim = "' ',";
       char* tmp, *tmpNext = NULL;
       tmp = strtok_s(s, delim, &tmpNext);
       vector<string> a;
       char saveName[256];
       while (tmp != NULL) {
           printf("%s\n", tmp);
           //cout << tmp << endl;
           if(tmp!=NULL){
           a.push_back((string)tmp);
           tmp = strtok_s(NULL, delim, &tmpNext);}
       }
       Mat src = imread(a.at(0));
       if (a.size() == 1)
           continue;
       for (size_t i = 1; i < a.size(); i = i + 5)
       {
           int n0 = atoi(a.at(i).c_str());
           int n1 = atoi(a.at(i + 1).c_str());
           int n2 = atoi(a.at(i + 2).c_str());
           int n3 = atoi(a.at(i + 3).c_str());
           int n4 = atoi(a.at(i + 4).c_str());
           Mat b = src(Range(n1, n3), Range(n0, n2));
           switch (n4) {
           case 0:
               sprintf(saveName, "D:\\procedure\\ConsoleApplication44\\ConsoleApplication44\\0\\%06d.jpg", k1++);
               imwrite(saveName, b);
               break;
           case 1:
               sprintf(saveName, "D:\\procedure\\ConsoleApplication44\\ConsoleApplication44\\1\\%06d.jpg", k2++);
               imwrite(saveName, b);
               break;
           case 2:
               sprintf(saveName, "D:\\procedure\\ConsoleApplication44\\ConsoleApplication44\\2\\%06d.jpg", k3++);
               imwrite(saveName, b);
               break;
           case 3:
               sprintf(saveName, "D:\\procedure\\ConsoleApplication44\\ConsoleApplication44\\3\\%06d.jpg", k4++);
               imwrite(saveName, b);
               break;
           case 4:
               sprintf(saveName, "D:\\procedure\\ConsoleApplication44\\ConsoleApplication44\\4\\%06d.jpg", k5++);
               imwrite(saveName, b);
               break;

           }
       }
   }
   //cout << a.size() <<" "<<a.at(0)<< endl;
return 0;
}
//int main()
//{
//   int k1 = 0, k2 = 0, k3 = 0, k4 = 0, k5 = 0;
//   char s[] = "C:\\Users\\lbn\\Desktop\\VOC2007\\VOCtest_06-Nov-2007\\VOCdevkit\\VOC2007\\JPEGImages\\000059.jpg 110,210,328,500,3 72,272,115,356,3 125,274,171,353,3";
//   char* delim = "' ',";
//   char* tmp, *tmpNext = NULL;
//   tmp = strtok_s(s, delim, &tmpNext);
//   vector<string> a;
//   char saveName[256];
//   while (tmp != NULL) {
//       printf("%s\n", tmp);
//       //cout << tmp << endl;
//
//       a.push_back((string)tmp);
//       tmp = strtok_s(NULL, delim, &tmpNext);
//   }
//   Mat src = imread(a.at(0));
//
//   for (size_t i = 1; i<a.size(); i = i + 5)
//   {
//       int n0 = atoi(a.at(i).c_str());
//       int n1 = atoi(a.at(i + 1).c_str());
//       int n2 = atoi(a.at(i + 2).c_str());
//       int n3 = atoi(a.at(i + 3).c_str());
//       int n4 = atoi(a.at(i + 4).c_str());
//       Mat b = src(Range(n1, n3), Range(n0, n2));
//       switch (n4) {
//       case 0:
//           sprintf(saveName, "D:\\procedure\\ConsoleApplication44\\ConsoleApplication44\\0\\%06d.jpg", k1++);
//           imwrite(saveName, b);
//       case 1:
//           sprintf(saveName, "D:\\procedure\\ConsoleApplication44\\ConsoleApplication44\\1\\%06d.jpg", k2++);
//           imwrite(saveName, b);
//       case 2:
//           sprintf(saveName, "D:\\procedure\\ConsoleApplication44\\ConsoleApplication44\\2\\%06d.jpg", k3++);
//           imwrite(saveName, b);
//       case 3:
//           sprintf(saveName, "D:\\procedure\\ConsoleApplication44\\ConsoleApplication44\\3\\%06d.jpg", k4++);
//           imwrite(saveName, b);
//       case 4:
//           sprintf(saveName, "D:\\procedure\\ConsoleApplication44\\ConsoleApplication44\\4\\%06d.jpg", k5++);
//           imwrite(saveName, b);
//
//       }
//   }
//   //cout << a.size() <<" "<<a.at(0)<< endl;
//   return 0;
//}