Hello, i am having a problem when saving the xml file.. Only a single row is being showed in the xml..but, i want to retrieve several rows with valid values to represent the images found in the folder. Can someone please help me with this.
#include "opencv2/imgproc.hpp"
#include "opencv2/highgui.hpp"
#include "opencv2/imgproc/imgproc_c.h"
#include <iostream>
#include <opencv2/core.hpp>
#include <opencv2/opencv.hpp>
#include "opencv2/imgcodecs.hpp"
#include <opencv2/highgui.hpp>
#include <opencv2/ml.hpp>
#include <fstream>
#include<string.h>
using namespace std;
using namespace cv;
vector<String> files;
int main() {
Mat image;
double totalCount = 0;
//Mat image = imread("C:/Users/nuzha/Desktop/Outline.jpg");
cv::glob("C:/Users/nuzha/Desktop/outline/*.jpg", files);
for (size_t i = 0; i < files.size(); i++) {
image = imread(files[i]);
Canny(image, image, 100, 100 * 2, 3, false);
CvChain* chain;
CvMemStorage* storage = 0;
storage = cvCreateMemStorage();
cvFindContours(&IplImage(image), storage, (CvSeq**)(&chain), sizeof(*chain), CV_RETR_EXTERNAL,
CV_CHAIN_CODE);
int total = chain->total;
// 1 row, 8 cols, filled with zeros, (float type, because we want to normalize later):
cv::Mat hist(1, 8, CV_32F, Scalar(0));
for (; chain != NULL; chain = (CvChain*)chain->h_next)
{
CvSeqReader reader;
int i, total = chain->total;
cvStartReadSeq((CvSeq*)chain, &reader, 0);
for (i = 0; i < total; i++)
{
char code;
CV_READ_SEQ_ELEM(code, reader);
int Fchain = (int)code;
// increase the counter for the respective bin:
hist.at<float>(0, Fchain)++;
totalCount++;
}
}
// print the raw histogram:
cout << "Histo: " << hist << endl;
cout << "Total: " << totalCount << endl;
// normalize it:
Mat prob = hist / totalCount;
cout << "Proba: " << prob << endl;
FileStorage fs("freeman.xml", FileStorage::WRITE);
fs << "chain" << prob;
}
waitKey(0);
return 0;
}
This is the xml file that i got: 
This is a similar xml that i want as result: 
