/// <summary>
/// Called when videoPlayer receives a new frame.
/// </summary>
/// <param name="sender"></param>
/// <param name="image"></param>
private void videoPlayer_NewFrame_1(object sender, ref Bitmap frame)
{
//if (cmb_fuente.SelectedIndex==1)
//{
// RotateBicubic filter = new RotateBicubic(90, true);
// frame = filter.Apply(frame);
//}
if (previousFrame != null)
{
// find the thresholded euclidian difference between two subsequent frames
//ThresholdedEuclideanDifference threshold = new ThresholdedEuclideanDifference(40);
ThresholdedEuclideanDifference threshold = new ThresholdedEuclideanDifference(thr);
threshold.OverlayImage = previousFrame;
var difference = threshold.Apply(frame);
// only keep big blobs
var filter = new BlobsFiltering();
filter.CoupledSizeFiltering = true;
filter.MinHeight = int.Parse(txt_tamanio2.Text);
filter.MinWidth = int.Parse(txt_tamanio2.Text);
filter.ApplyInPlace(difference);
//var sobl = new SobelEdgeDetector();
//sobl.ApplyInPlace(difference);
//erode image
var erode = new Erosion3x3();
for (int i = 0; i < int.Parse(txt_ers.Text); i++)
{
erode.ApplyInPlace(difference);
//erode.ApplyInPlace(difference);
//erode.ApplyInPlace(difference);
}
// dilate remaining blobs
var dilate = new BinaryDilation3x3();
for (int i = 0; i < int.Parse(txt_dils.Text); i++)
{
dilate.ApplyInPlace(difference);
//dilate.ApplyInPlace(difference);
//dilate.ApplyInPlace(difference);
//dilate.ApplyInPlace(difference);
}
// put this image in the thresholded picturebox
thresholdedBox.Image = difference.Clone() as Bitmap;
// use this as a mask for the current frame
var mask = new ApplyMask(difference);
var maskedFrame = mask.Apply(frame);
// put this image in the masked picturebox
maskedBox.Image = maskedFrame.Clone() as Bitmap;
// now find all moving blobs
if (frameIndex % 10 == 0)
{
var counter = new BlobCounter();
counter.ProcessImage(difference);
// only keep blobs that:
// - do not overlap with known cars
// - do not overlap with other blobs
// - have crossed the middle of the frame
// - are at least 100 pixels tall
var blobs = counter.GetObjectsRectangles();
var newBlobs = from r in counter.GetObjectsRectangles()
where !trackers.Any(t => t.Tracker.TrackingObject.Rectangle.IntersectsWith(r)) &&
!blobs.Any(b => b.IntersectsWith(r) && b != r) &&
r.Top >= 240 && r.Bottom <= 480 &&
r.Height >= int.Parse(txt_tamanio.Text)
select r;
// set up new camshift trackers for each detected blob
foreach (var rect in newBlobs)
{
trackers.Add(new TrackerType(rect, frameIndex, ++carIndex));
}
}
// now kill all car trackers that have expanded by too much
trackers.RemoveAll(t => t.Tracker.TrackingObject.Rectangle.Height > 360);
// and kill all trackers that have lived for 30 frames
//trackers.RemoveAll(t => frameIndex - t.StartIndex > 30);
trackers.RemoveAll(t => frameIndex - t.StartIndex > frames);
// let all remaining trackers process the current frame
var img = UnmanagedImage.FromManagedImage(maskedFrame);
trackers
.ForEach(t => t.Tracker.ProcessFrame(img));
// remember this frame for next iteration
previousFrame.Dispose();
previousFrame = frame.Clone() as Bitmap;
//escribir etiqueta para cada vehiculo
var outputFrame = frame.Clone() as Bitmap;
trackers
.FindAll(t => !t.Tracker.TrackingObject.IsEmpty)
.ForEach(t => DrawCarLabel(outputFrame, t.Tracker.TrackingObject.Rectangle, t.CarNumber));
// regresar frame procesado
frame = outputFrame;
}
else
{ // recordar para siguiente iteracion
previousFrame = frame.Clone() as Bitmap;
}
frameIndex++;
//if (previousFrame != null)
//{
// // find the thresholded euclidian difference between two subsequent frames
// ThresholdedEuclideanDifference threshold = new ThresholdedEuclideanDifference(40);
// threshold.OverlayImage = previousFrame;
// var difference = threshold.Apply(frame);
// // only keep big blobs
// var filter = new BlobsFiltering();
// filter.CoupledSizeFiltering = true;
// filter.MinHeight = 50;
// filter.MinWidth = 50;
// filter.ApplyInPlace(difference);
// // dilate remaining blobs
// var dilate = new BinaryDilation3x3();
// dilate.ApplyInPlace(difference);
// //dilate.ApplyInPlace(difference);
// //dilate.ApplyInPlace(difference);
// //dilate.ApplyInPlace(difference);
// // put this image in the thresholded picturebox
// thresholdedBox.Image = difference.Clone() as Bitmap;
// // use this as a mask for the current frame
// var mask = new ApplyMask(difference);
// var maskedFrame = mask.Apply(frame);
// // put this image in the masked picturebox
// maskedBox.Image = maskedFrame.Clone() as Bitmap;
// // now find all moving blobs
// if (frameIndex % 10 == 0)
// {
// var counter = new BlobCounter();
// counter.ProcessImage(difference);
// // only keep blobs that:
// // - do not overlap with known cars
// // - do not overlap with other blobs
// // - have crossed the middle of the frame
// // - are at least 100 pixels tall
// var blobs = counter.GetObjectsRectangles();
// var newBlobs = from r in counter.GetObjectsRectangles()
// where !trackers.Any(t => t.Tracker.TrackingObject.Rectangle.IntersectsWith(r))
// && !blobs.Any(b => b.IntersectsWith(r) && b != r)
// && r.Top >= 240 && r.Bottom <= 480
// && r.Height >= 100
// select r;
// // set up new camshift trackers for each detected blob
// foreach (var rect in newBlobs)
// {
// trackers.Add(new TrackerType(rect, frameIndex, ++carIndex));
// }
// }
// // now kill all car trackers that have expanded by too much
// trackers.RemoveAll(t => t.Tracker.TrackingObject.Rectangle.Height > 360);
// // and kill all trackers that have lived for 30 frames
// trackers.RemoveAll(t => frameIndex - t.StartIndex > 30);
// // let all remaining trackers process the current frame
// var img = UnmanagedImage.FromManagedImage(maskedFrame);
// trackers
// .ForEach(t => t.Tracker.ProcessFrame(img));
// // remember this frame for next iteration
// previousFrame.Dispose();
// previousFrame = frame.Clone() as Bitmap;
// // draw labels on all tracked cars
// var outputFrame = frame.Clone() as Bitmap;
// trackers
// .FindAll(t => !t.Tracker.TrackingObject.IsEmpty)
// .ForEach(t => DrawCarLabel(outputFrame, t.Tracker.TrackingObject.Rectangle, t.CarNumber));
// // return the processed frame to the video
// frame = outputFrame;
//}
//// or else just remember this frame for next iteration
//else
// previousFrame = frame.Clone() as Bitmap;
//frameIndex++;
}
static void Main(string[] args)
{
Threshold thresh = new Threshold(10);
Median median = new Median(9);
Erosion3x3 erode = new Erosion3x3();
Dilatation3x3 dilate = new Dilatation3x3();
GrahamConvexHull hullFinder = new GrahamConvexHull();
ConnectedComponentsLabeling ccLabeler = new ConnectedComponentsLabeling();
BorderFollowing contourFinder = new BorderFollowing();
GrayscaleToRGB rgb = new GrayscaleToRGB();
ConvexHullDefects defectFinder = new ConvexHullDefects(10);
Bitmap img = (Bitmap)Bitmap.FromFile("hand3.jpg");
Bitmap image = Grayscale.CommonAlgorithms.BT709.Apply(img);
thresh.ApplyInPlace(image);
//median.ApplyInPlace(image);
erode.ApplyInPlace(image);
dilate.ApplyInPlace(image);
BlobCounter counter = new BlobCounter(image);
counter.ObjectsOrder = ObjectsOrder.Area;
Blob[] blobs = counter.GetObjectsInformation();
if (blobs.Length > 0)
{
counter.ExtractBlobsImage(image, blobs[0], true);
UnmanagedImage hand = blobs[0].Image;
var contour = contourFinder.FindContour(hand);
if (contour.Count() > 0)
{
var initialHull = hullFinder.FindHull(contour);
var defects = defectFinder.FindDefects(contour, initialHull);
var filteredHull = initialHull.ClusterHullPoints().FilterLinearHullPoints();
var palmCenter = defects.Centroid(contour);
var wristPoints = filteredHull.SelectWristPoints(defects, contour);
Bitmap color = rgb.Apply(hand).ToManagedImage();
//BitmapData data = color.LockBits(new Rectangle(0, 0, color.Width, color.Height), ImageLockMode.ReadWrite, color.PixelFormat);
//Drawing.Polyline(data, contour, Color.Blue);
//Drawing.Polygon(data, filteredHull, Color.Red);
//color.UnlockBits(data);
Graphics gr = Graphics.FromImage(color);
gr.DrawPolygon(new Pen(Brushes.Red, 3), filteredHull.ToPtArray());
gr.DrawLines(new Pen(Brushes.Blue, 3), contour.ToPtArray());
gr.DrawEllipse(new Pen(Brushes.Red, 3), palmCenter.X - 10, palmCenter.Y - 10, 20, 20);
foreach (ConvexityDefect defect in defects)
{
gr.DrawEllipse(new Pen(Brushes.Green, 6), contour[defect.Point].X - 10, contour[defect.Point].Y - 10, 20, 20);
}
foreach (AForge.IntPoint pt in filteredHull)
{
gr.DrawEllipse(new Pen(Brushes.Yellow, 6), pt.X - 10, pt.Y - 10, 20, 20);
}
foreach (AForge.IntPoint pt in wristPoints)
{
gr.DrawEllipse(new Pen(Brushes.PowderBlue, 6), pt.X - 10, pt.Y - 10, 20, 20);
}
ImageBox.Show(color);
}
}
}
private void Cap_ImageGrabbed(object sender, EventArgs e)
{
try
{
Mat imagen = new Mat();
cap.Retrieve(imagen);
//pb_lprptzanalitica.Image = imagen.Bitmap;
Bitmap frame = new Bitmap(imagen.Bitmap);
//pb_ipcam.Image = frame.Clone() as Bitmap;
if (previousFrame != null)
{
// find the thresholded euclidian difference between two subsequent frames
//ThresholdedEuclideanDifference threshold = new ThresholdedEuclideanDifference(40);
ThresholdedEuclideanDifference threshold = new ThresholdedEuclideanDifference(thr);
threshold.OverlayImage = previousFrame;
var difference = threshold.Apply(frame.Clone() as Bitmap);
// only keep big blobs
var filter = new BlobsFiltering();
filter.CoupledSizeFiltering = true;
filter.MinHeight = int.Parse(txt_tamanio2.Text);
filter.MinWidth = int.Parse(txt_tamanio2.Text);
filter.ApplyInPlace(difference);
//var sobl = new SobelEdgeDetector();
//sobl.ApplyInPlace(difference);
//erode image
var erode = new Erosion3x3();
for (int i = 0; i < int.Parse(txt_ers.Text); i++)
{
erode.ApplyInPlace(difference);
//erode.ApplyInPlace(difference);
//erode.ApplyInPlace(difference);
}
// dilate remaining blobs
var dilate = new BinaryDilation3x3();
for (int i = 0; i < int.Parse(txt_dils.Text); i++)
{
dilate.ApplyInPlace(difference);
//dilate.ApplyInPlace(difference);
//dilate.ApplyInPlace(difference);
//dilate.ApplyInPlace(difference);
}
// put this image in the thresholded picturebox
thresholdedBox.Image = difference.Clone() as Bitmap;
// use this as a mask for the current frame
var mask = new ApplyMask(difference);
var maskedFrame = mask.Apply(frame);
// put this image in the masked picturebox
maskedBox.Image = maskedFrame.Clone() as Bitmap;
// now find all moving blobs
if (frameIndex % 10 == 0)
{
var counter = new BlobCounter();
counter.ProcessImage(difference);
// only keep blobs that:
// - do not overlap with known cars
// - do not overlap with other blobs
// - have crossed the middle of the frame
// - are at least 100 pixels tall
var blobs = counter.GetObjectsRectangles();
var newBlobs = from r in counter.GetObjectsRectangles()
where !trackers.Any(t => t.Tracker.TrackingObject.Rectangle.IntersectsWith(r)) &&
!blobs.Any(b => b.IntersectsWith(r) && b != r) &&
r.Top >= 240 && r.Bottom <= 480 &&
r.Height >= int.Parse(txt_tamanio.Text)
select r;
// set up new camshift trackers for each detected blob
foreach (var rect in newBlobs)
{
trackers.Add(new TrackerType(rect, frameIndex, ++carIndex));
}
}
// now kill all car trackers that have expanded by too much
trackers.RemoveAll(t => t.Tracker.TrackingObject.Rectangle.Height > 360);
// and kill all trackers that have lived for 30 frames
//trackers.RemoveAll(t => frameIndex - t.StartIndex > 30);
trackers.RemoveAll(t => frameIndex - t.StartIndex > frames);
// let all remaining trackers process the current frame
var img = UnmanagedImage.FromManagedImage(maskedFrame);
trackers
.ForEach(t => t.Tracker.ProcessFrame(img));
// remember this frame for next iteration
previousFrame.Dispose();
previousFrame = frame.Clone() as Bitmap;
//escribir etiqueta para cada vehiculo
var outputFrame = frame.Clone() as Bitmap;
trackers
.FindAll(t => !t.Tracker.TrackingObject.IsEmpty)
.ForEach(t => DrawCarLabel(outputFrame, t.Tracker.TrackingObject.Rectangle, t.CarNumber));
// regresar frame procesado
frame = outputFrame;
//pb_ipcam.Image = outputFrame;
pb_lprptzanalitica.Image = outputFrame;
}
else
{ // recordar para siguiente iteracion
previousFrame = frame.Clone() as Bitmap;
}
frameIndex++;
}
catch (Exception)
{
MessageBox.Show("Error al decodificar video de PTZ, LPR o ANALITICA");
}
}
public void Video_NewFrame(object sender, NewFrameEventArgs eventArgs)
{
UnmanagedImage image = UnmanagedImage.FromManagedImage((Bitmap)eventArgs.Frame.Clone());
var extractChannel = new ExtractChannel(RGB.R);
UnmanagedImage channel = extractChannel.Apply(image);
// UnmanagedImage originalRed = channel.Clone();
if (true)
{
var threshold = new Threshold(200);
threshold.ApplyInPlace(channel);
////filter to convert RGB image to 8bpp gray scale for image processing
//IFilter gray_filter = new GrayscaleBT709();
//gray_image = gray_filter.Apply(gray_image);
////thresholding a image
//Threshold th_filter = new Threshold(color_data.threshold);
//th_filter.ApplyInPlace(gray_image);
//erosion filter to filter out small unwanted pixels
Erosion3x3 erosion = new Erosion3x3();
erosion.ApplyInPlace(channel);
//dilation filter
//Dilatation3x3 dilatation = new Dilatation3x3();
//dilatation.ApplyInPlace(channel);
//GrayscaleToRGB filter = new GrayscaleToRGB();
//image = filter.Apply(channel);
//ReplaceChannel replaceFilter = new ReplaceChannel(RGB.B, channel);
//replaceFilter.ApplyInPlace(image);
}
BlobCounter bc = new BlobCounter();
//arrange blobs by area
bc.ObjectsOrder = ObjectsOrder.Area;
bc.FilterBlobs = true;
bc.MinHeight = minObjectSize;
bc.MinWidth = minObjectSize;
bc.MaxHeight = maxObjectSize;
bc.MaxWidth = maxObjectSize;
//process image for blobs
bc.ProcessImage(channel);
channel.Dispose();
// if (motionDetector.ProcessFrame(image) > 0.02) {
// for (int i = 0; i < blobCountingObjectsProcessing.ObjectRectangles.Length; i++) {
Rectangle[] rectangles = bc.GetObjectsRectangles();
Blob[] blobs = bc.GetObjectsInformation();
for (int i = 0; i < bc.ObjectsCount; i++)
{
Rectangle rectangle = rectangles[i];
int width = rectangle.Width;
int height = rectangle.Height;
// if (width < maxObjectSize && height < maxObjectSize && width > minObjectSize && height > minObjectSize) {
Drawing.Rectangle(image, rectangle, colorList[i % colorList.Length]);
if (i == 0)
{
Position = GetCenterOfMass(image, rectangle);
Drawing.FillRectangle(image, rectangle, Color.BlanchedAlmond);
Drawing.FillRectangle(image, new Rectangle((int)Position.U - dotSize, (int)Position.V - dotSize, dotSize * 3, dotSize * 3), Color.Indigo);
}
// }
}
// }
Image = image.ToManagedImage();
// videoForm.ImageDestination.Image = image.ToManagedImage();
}
