private void InitializeStoredFrame()
{
stopwatch.Reset(); stopwatch.Start();
camera.Retrieve(storedFrame, 0);
CvInvoke.CvtColor(storedFrame, storedFrame, ColorConversion.Bgr2Gray);
OneSecondIntervalPictureBox.Invoke(new MethodInvoker(delegate() { OneSecondIntervalPictureBox.Image = storedFrame.Bitmap; }));
maxIntensityPerIteration = 0;
}
private void ProcessFrame(object sender, EventArgs e)
{
if (camera != null && camera.Ptr != IntPtr.Zero)
{
camera.Retrieve(frame, 0);
if (storedFrame.Bitmap == null)
{
InitializeStoredFrame();
}
CvInvoke.CvtColor(frame, frame, ColorConversion.Bgr2Gray);
DefaultCameraPictureBox.Invoke(new MethodInvoker(delegate() { DefaultCameraPictureBox.Image = frame.Bitmap; }));
//It has been timeperstoredupdateinmilliseconds milliseconds
if (stopwatch.ElapsedMilliseconds > timePerStoredUpdateInMilliseconds)
{
stopwatch.Reset(); stopwatch.Start();
camera.Retrieve(storedFrame, 0);
CvInvoke.CvtColor(storedFrame, storedFrame, ColorConversion.Bgr2Gray);
OneSecondIntervalPictureBox.Invoke(new MethodInvoker(delegate() { OneSecondIntervalPictureBox.Image = storedFrame.Bitmap; }));
maxIntensityPerIteration = 0;
}
Image <Gray, byte> diff = new Image <Gray, byte>(frame.Bitmap);
diff = diff.AbsDiff(new Image <Gray, byte>(storedFrame.Bitmap));
diff = diff.Erode(2);
intensityContainer.Add(diff.GetAverage().Intensity);
if (!isRecording && intensityContainer.GetAverage() > intensityToTriggerRecording)
{
InitializeRecording();
isRecording = true;
if (!emailStopwatch.IsRunning)
{
SendWarningEmail();
}
emailStopwatch.Reset();
}
else if (isRecording && intensityContainer.GetAverage() < intensityToTriggerRecording / 2)
{
DisableRecordingAndSaveVideo();
isRecording = false;
emailStopwatch.Start();
}
textBox1.Invoke(new MethodInvoker(delegate()
{
if (diff.GetAverage().Intensity > maxIntensityPerIteration)
{
maxIntensityPerIteration = diff.GetAverage().Intensity;
textBox1.Text = diff.GetAverage().Intensity.ToString();
}
IntensityContainerAverageTextBox.Text = intensityContainer.GetAverage().ToString();
}));
DifferencePictureBox.Invoke(new MethodInvoker(delegate() { DifferencePictureBox.Image = diff.Bitmap; }));
//Handle emails
if (emailStopwatch.ElapsedMilliseconds > timeToCollectBeforeEmailInMilliseconds)
{
SendWarningEmail(true);
fileNames.Clear();
emailStopwatch.Reset();
}
}
}
