基于CodeBook的背景差分算法(C++)

/***********************************************************//从文本文件中读取数据，并以矩阵Mat的形式存储到YML文件;//文件中一行数据代表一组特征向量，且相邻分量的默认分割符为一个空格;//该函数接受参数：文本文件名和分割符;***********************************************************/void txtConvertToMat(string& Filename, char& delimiter, OutputArray dst){    fstream fs(Filename.data(),ios::in);    char data[500];    fs.getline(data,500);    bool flags = false;    vector<vector<double>> hu;    int N = 8;    while(data != NULL)    {        int count = 0;        int pos = 0;        int length = sizeof(data);        char tmp[20] = "\0";        cout.setf(ios::fixed);        cout.precision(6);        vector<double> huTmp;        for(int i = 0; i < length; i++)        {            if(data[i] == '\0')            {                if(count == 0)                {                    flags = true;                    break;                }                tmp[pos+1] = '\0';                double d = atof(tmp);                huTmp.push_back(d);                hu.push_back(huTmp);                huTmp.clear();                pos = 0;                count = 0;                break;            }else if(data[i] == delimiter)            {                tmp[pos+1] = '\0';                double d = atof(tmp);                huTmp.push_back(d);                pos = 0;                count++;            }else            {                tmp[pos] = data[i];                pos++;            }        }        //cout << "------------------------" << endl;        if(flags)            break;        fs.getline(data,500);    }    int huSize = hu.size();    dst.create(huSize,N,CV_32FC1);    Mat m = dst.getMat();    for(int i = 0; i < huSize; i++)    {        for(int j = 0; j < N; j++)        {            m.row(i).col(j) = hu[i][j];        }    }    char xmlFilename[100];    cout << Filename << endl;    int filenameLength = Filename.size();    string tmpp = Filename.substr(0,filenameLength-4);    tmpp = tmpp + ".xml";    cout << tmpp << endl;    FileStorage filel(tmpp,FileStorage::WRITE);    filel << "Hu" << m;    filel.release();}/***********************************************************