Memory allocation failure

See more:

Emgu-CV

When I do a auto recognition and tracking of the modified Emgu example of a program, the results appear the following error, what reason be excuse me? thank you

private void button1_Click(object sender, EventArgs e)
{
    var dialog = new OpenFileDialog();
    dialog.Filter = "视频文件|*.avi;*.rmvb;*.rm";
    if (dialog.ShowDialog() == DialogResult.OK)
    {
        String fileName = dialog.FileName;
        //cameraCapture = CvInvoke.cvCreateFileCapture(file);
        try
        {
            cameraCapture = new Capture(fileName);
            //cameraCapture.FlipHorizontal = ! cameraCapture.F
        }
        catch (Exception ex)
        {
            MessageBox.Show(ex.Message);
            return;
        }
    }
    detector = new FGDetector<bgr>(FORGROUND_DETECTOR_TYPE.FGD);
    tracker = new BlobTrackerAuto<bgr>();
    Application.Idle += ProcessFrame;
    }
    
    void ProcessFrame(object sender, EventArgs e)
    {
    using (MemStorage stor = new MemStorage())
    //得到视频文件中的一帧
    {
        Image<bgr,> frame = cameraCapture.QueryFrame();
        if (frame != null)
        {
            frame._SmoothGaussian(3); //filter out noises:对于当前的图像进行高斯平滑处理过滤噪声
            #region use the BG/FG detector to find the forground mask
            detector.Update(frame);//更新当前图像
            Image<gray,> forgroundMask = detector.ForegroundMask;//得到前景图像
            #endregion
            try
            {
                //tracker.Process(frame, forgroundMask);//处理图像产生一种色调掩模,调用这句话会出现内存不足异常
                //tracker.Process(frame);
                tracker.Process(cameraCapture.QuerySmallFrame().PyrUp());//只传入一半的图片进行识别和跟踪
    
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
            foreach (MCvBlob blob in tracker)
            {
                frame.Draw((Rectangle)blob, new Bgr(255.0, 255.0, 255.0), 2);
                //frame.Draw(blob.ID.ToString(), ref _font, Point.Round(blob.Center), new Bgr(255.0, 255.0, 255.0));
                vehicleStatTextBox.Text = blob.ID.ToString();//统计车辆数目
            }
            imageBox1.Image = frame;
            //tracker.Dispose();
        }
}