private void AddDetectedFacesToListViewPanel()
{
try
{
if (its_time_to_pick_perpetrator_faces)
{
if (detected_faces != null && current_frame != null)
{
ImageListView image_list_view = Singleton.SELECT_PERP_FACES.GetImageListView();
for (int i = 0; i < detected_faces.Length; i++)
{
//get face
Image <Bgr, byte> face = FramesManager.CropSelectedFace(detected_faces[i], current_frame.Clone());
//resize face
face = FramesManager.ResizeColoredImage(face, new Size(120, 120));
//add face to image list
Singleton.SELECT_PERP_FACES.suspect_faces.TryAdd(count, face);
//add face to image list view
image_list_view.Invoke(new AddImage(Singleton.SELECT_PERP_FACES.AddImage), new object[] { "face " + count, "face " + count, face.ToBitmap() });
//increment id counter
count++;
}
}
}
}
catch (Exception e)
{
Debug.WriteLine(e.Message);
}
}
//DETECTS FACES IN THE CURRENT FRAME
public bool DetectFacesInFrame()
{
try
{
//try to get a frame from the shared datastore for captured frames
bool sucessfull = Singleton.LIVE_FRAMES_TO_BE_PROCESSED.TryDequeue(out current_frame);
//if ok
if (sucessfull)
{
//detect faces in frame
detected_faces = FramesManager.DetectFacesInFrame(current_frame.Clone(), haarcascade);
if (detected_faces != null)
{
//for each face we have detected in the frame
foreach (var detected_face in detected_faces)
{
//get the face
Image <Bgr, byte> face = FramesManager.CropSelectedFace(detected_face, current_frame.Clone());
//add face to shared datastore so face recog thread can access it
Singleton.FACES_TO_RECOGNIZE.Enqueue(face);
}
detected_faces = null;
}
return(true);
}
//IF NO FRAMES IN DATA STORE THEN CHECK SUPPLIER THREAD FOR LIFE
else
{
CheckForTerminationOfThisThread();
return(true);
}
}
catch (Exception)
{
return(false);
}
}
