void ViBe::init(Mat img)

    {

        imgcol = img.cols;

        imgrow = img.rows;

        // 动态分配三维数组，samples[][][num_samples]存储前景被连续检测的次数

        // Dynamic Assign 3-D Array.

        // sample[img.rows][img.cols][num_samples] is a 3-D Array which includes all pixels' samples.

        samples = new unsigned char **[img.rows];

        for (int i = ; i < img.rows; i++)

        {

            samples[i] = new uchar *[img.cols];

            for (int j = ; j < img.cols; j++)

            {

                // 数组中，在num_samples之外多增的一个值，用于统计该像素点连续成为前景的次数；

                // the '+ 1' in 'num_samples + 1', it's used to count times of this pixel regarded as foreground pixel.

                samples[i][j] = new uchar[num_samples + ];

                for (int k = ; k < num_samples + ; k++)

                {

                    // 创建样本库时，所有样本全部初始化为0

                    // All Samples init as 0 When Creating Sample Library.

                    samples[i][j][k] = ;

                }

            }

        }

        FGModel = Mat::zeros(img.size(), CV_8UC1);

    }

void ViBe::deleteSamples()

{

    delete samples;

}

ViBe::~ViBe()

{

    deleteSamples();

}

void ViBe::deleteSamples()

    {

        for (int i = ; i < imgrow; i++)

        {

            for (int j = ; j < imgcol; j++)

            {

                delete samples[i][j];

            }

            delete samples[i];

        }

        delete[] samples;

    }