public Form1()
{
InitializeComponent();
//try to create the capture
if (_capture == null)
{
try
{
_capture = new Capture();
}
catch (NullReferenceException excpt)
{ //show errors if there is any
MessageBox.Show(excpt.Message);
}
}
if (_capture != null) //if camera capture has been successfully created
{
_motionHistory = new MotionHistory(
1.0, //in second, the duration of motion history you wants to keep
0.05, //in second, parameter for cvCalcMotionGradient
0.5); //in second, parameter for cvCalcMotionGradient
Application.Idle += ProcessFrame;
}
}
public Form1()
{
InitializeComponent();
//try to create the capture
if (_capture == null)
{
try
{
_capture = new Capture();
}
catch (NullReferenceException excpt)
{ //show errors if there is any
MessageBox.Show(excpt.Message);
}
}
if (_capture != null) //if camera capture has been successfully created
{
_motionHistory = new MotionHistory(
6, //number of images to store in buffer, adjust it to fit your camera's frame rate
20, //0-255, the amount of pixel intensity change to consider it as motion pixel
1.0, //in second, the duration of motion history you wants to keep
0.05, //in second, parameter for cvCalcMotionGradient
0.5); //in second, parameter for cvCalcMotionGradient
Application.Idle += new EventHandler(ProcessFrame);
}
}
void FrameGrabber(object sender, EventArgs e)
{
try
{
//Get the current frame form capture device
currentFrame = grabber.QueryFrame().Resize(520, 340, Emgu.CV.CvEnum.INTER.CV_INTER_CUBIC);
}
catch (NullReferenceException e1)
{
_motionHistory = new MotionHistory(2.0, 0.05, 0.5);
_forgroundDetector = null;
motionQueue.Clear(); helpQueue.Clear();
grabber = new Capture(vidlist[excnt]);
excnt++;
if (excnt == 5) { excnt = 0; }
currentFrame = grabber.QueryFrame().Resize(520, 340, Emgu.CV.CvEnum.INTER.CV_INTER_CUBIC);
green1 = false; green2 = false; green3 = false; green4 = false;
red1 = false; red2 = false; red3 = false; red4 = false;
}
//Convert it to Grayscale
gray = currentFrame.Convert<Gray, Byte>();
//Face Detector
MCvAvgComp[][] facesDetected = gray.DetectHaarCascade(
face,
1.2,
10,
Emgu.CV.CvEnum.HAAR_DETECTION_TYPE.DO_CANNY_PRUNING,
new Size(20, 20));
//Action for each element detected
foreach (MCvAvgComp f in facesDetected[0])
{
t = t + 1;
result = currentFrame.Copy(f.rect).Convert<Gray, byte>().Resize(100, 100, Emgu.CV.CvEnum.INTER.CV_INTER_CUBIC);
//MessageBox.Show("wiidth " + f.rect.Width + " height " + f.rect.Height + " area " + f.rect.Width * f.rect.Height);
if (f.rect.Width > 80) continue;
//draw the face detected in the 0th (gray) channel with blue color
if (showHand)
currentFrame.Draw(f.rect, new Bgr(Color.LightGreen), 2);
int nearespos = nearestPosition(f.rect.X, f.rect.Y);
if (helpQueue.ToArray().ToList().IndexOf(nearespos) == -1)
{
//lbAlerts.Items.Add("Help request at #" + nearespos.ToString());
dgAlerts.Rows.Add("Help Request", nearespos.ToString());
DB_Connect.InsertQuery("INSERT INTO alert_tab(exam_id,position_id,alert_type,alert_time) VALUES(" + examid + "," + nearespos.ToString() + ",'H','" + DateTime.Now + "')");
dgAlerts.FirstDisplayedScrollingRowIndex = dgAlerts.RowCount - 1;
//GCM - help
//AndroidGCMPushNotification apnGCM = new AndroidGCMPushNotification();
//string strResponse = apnGCM.SendNotification(regID, nearespos.ToString() + " "+ DateTime.Now, "H");
if (nearespos == 1) green1 = true;
else if (nearespos == 2) green2 = true;
else if (nearespos == 3) green3 = true;
else if (nearespos == 4) green4 = true;
if (helpQueue.Count == 10)
{
helpQueue.Dequeue();
helpQueue.Enqueue(nearespos);
}
else
{
helpQueue.Enqueue(nearespos);
}
}
}
//Show the faces procesed and recognized
imageBoxFrameGrabber.Image = ProcessFrame(currentFrame);
if (captureOutput == null && xdoc.Descendants("RecordVideo").First().Value == "1")
{
MessageBox.Show("reording start");
captureOutput = new VideoWriter(@"video" + examid + ".avi", (int)grabber.GetCaptureProperty(CAP_PROP.CV_CAP_PROP_FOURCC), 15, 520, 340, true);
}
if (currentFrame != null && xdoc.Descendants("RecordVideo").First().Value == "1")
{
captureOutput.WriteFrame<Bgr, Byte>(currentFrame);
}
}
private void button1_Click(object sender, EventArgs e)
{
isStarted = true;
lblRemianingTime.Visible = true;
button2.Enabled = true;
button1.Enabled = false;
xdoc = XDocument.Load("AEISConfig.xml");
grabber = new Capture(path + "vids\\MVI_3649_1_1.avi");
// grabber.QueryFrame();
//Initialize the FrameGraber event
Application.Idle += new EventHandler(FrameGrabber);
button1.Enabled = false;
button2.Enabled = true;
///motion detection start
if (grabber == null)
{
try
{
grabber = new Capture();
}
catch (NullReferenceException excpt)
{ //show errors if there is any
MessageBox.Show(excpt.Message);
}
}
if (grabber != null) //if camera capture has been successfully created
{
_motionHistory = new MotionHistory(
2.0, //in second, the duration of motion history you wants to keep
0.05, //in second, parameter for cvCalcMotionGradient
0.5); //in second, parameter for cvCalcMotionGradient
//Application.Idle += ProcessFrame;
}
///motion detection end
}
public FaceCapture(string faceTrainingFile, string eyeTrainingFile, double scale, int neighbors, int minSize)
{
loadConfig();
FaceTrainingFile = faceTrainingFile;
EyeTrainingFile = eyeTrainingFile;
Scale = scale;
Neighbors = neighbors;
FaceMinSize = minSize;
FaceMaxSize = 200;
try
{
if (HasCuda && CudaInvoke.HasCuda)
{
FaceDetector = new FaceDetectCuda();
}
else
{
FaceDetector = new FaceDetect();
}
}
catch (Exception errCuda)
{
Console.WriteLine("ERROR - FaceCapture CudaInvoke.HasCuda errCuda: " + errCuda);
FaceDetector = new FaceDetect();
}
_motionHistory = new MotionHistory(
motionHistoryDuration, //in second, the duration of motion history you wants to keep
maxDelta, //in second, maxDelta for cvCalcMotionGradient
minDelta); //in second, minDelta for cvCalcMotionGradient
//capture = new Capture();
}
public void StartCapture()
{
Console.WriteLine("StartCapture");
Faces = new List<Face>();
capture = new Capture();
_motionHistory = new MotionHistory(1.0, 0.05, 0.5);
Application.Idle += ProcessFrame;
}
public List<Face> GetFaces(int numFaces, int minScore)
{
int frameCount = 0;
capture = new Capture();
_motionHistory = new MotionHistory(1.0, 0.05, 0.5);
List<Face> foundfaces = new List<Face>();
while (foundfaces.Count() < numFaces)
{
Mat mat = capture.QueryFrame();
Image<Bgr, Byte> ImageFrame = mat.ToImage<Bgr, Byte>();
frameCount = frameCount + 1;
MotionInfo motion = this.GetMotionInfo(mat);
List<Face> detectedFaces = FaceDetector.FindFaces(ImageFrame, this.FaceTrainingFile, this.EyeTrainingFile, this.Scale, this.Neighbors, this.FaceMinSize);
if (frameCount > 2)
{
foreach (Face face in detectedFaces)
{
face.MotionObjects = motion.MotionObjects;
face.MotionPixels = motion.MotionPixels;
if (face.FaceScore > minScore)
{
foundfaces.Add(face);
}
}
}
}
capture.Dispose();
capture = null;
return foundfaces;
}
private void StartCapture()
{
if (_capture == null)
{
try
{
if (SourceComboBox.SelectedIndex == 0)
{
_capture = new Capture();
}
else if (SourceComboBox.SelectedIndex == 1)
{
_capture = new Capture(videoSource);
}
}
catch (NullReferenceException excpt)
{ //show errors if there is any
MessageBox.Show(excpt.Message);
}
}
if (_capture != null) //if camera capture has been successfully created
{
_motionHistory = new MotionHistory(
1.0, //in second, the duration of motion history you wants to keep 1.0
0.05, //in second, maxDelta for cvCalcMotionGradient 0.05
0.5); //in second, minDelta for cvCalcMotionGradient 0.5
_capture.ImageGrabbed += ProcessFrame;
_capture.Start();
}
}
/// <summary>
/// Motion Detector Constructor
/// </summary>
/// <param name="imagingData">Common Image Processing Imaging Data</param>
public MotionDetector(IImageData imagingData )
{
ImagingData = imagingData;
//Set values for properties
MinMotionAreaThreshold = DEFAULT_MIN_MOTION_AREA_THRESHOLD;
MinMotionPixelFactor = DEFAULT_MIN_MOTION_PIXEL_FACTOR;
GrayThreshold = DEFAULT_GRAY_THRESHOLD;
//Instantiate private members
_motionHistory = new MotionHistory(MOTION_HISTORY_DURATION, MOTION_HISTORY_MAX_DELTA, MOTION_HISTORY_MIN_DELTA);
_forgroundDetector = new BackgroundSubtractorMOG2();
_segMask = new Mat();
_foreground = new Mat();
ComputerVisionMonitors = new Dictionary<eComputerVisionMonitor, IComputerVisionMonitor>();
}
