private void ProcessImage(Image <Bgr, byte> image)
{
Stopwatch watch = Stopwatch.StartNew(); // time the detection process
List <Image <Gray, Byte> > stopSignList = new List <Image <Gray, byte> >();
List <Rectangle> stopSignBoxList = new List <Rectangle>();
_stopSignDetector.DetectStopSign(image, stopSignList, stopSignBoxList);
watch.Stop(); //stop the timer
processTimeLabel.Text = String.Format("Stop Sign Detection time: {0} milli-seconds", watch.Elapsed.TotalMilliseconds);
panel1.Controls.Clear();
Point startPoint = new Point(10, 10);
for (int i = 0; i < stopSignList.Count; i++)
{
Rectangle rect = stopSignBoxList[i];
AddLabelAndImage(
ref startPoint,
String.Format("Stop Sign [{0},{1}]:", rect.Location.Y + rect.Width / 2, rect.Location.Y + rect.Height / 2),
stopSignList[i]);
image.Draw(rect, new Bgr(Color.Aquamarine), 2);
}
imageBox1.Image = image;
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
OnImagePicked += (sender, image) =>
{
using (Mat stopSignModel = new Mat(Assets, "stop-sign-model.png"))
{
if (image == null)
return;
Stopwatch watch = Stopwatch.StartNew(); // time the detection process
List<Mat> stopSignList = new List<Mat>();
List<Rectangle> stopSignBoxList = new List<Rectangle>();
StopSignDetector detector = new StopSignDetector(stopSignModel);
detector.DetectStopSign(image, stopSignList, stopSignBoxList);
watch.Stop(); //stop the timer
SetMessage(String.Format("Detection time: {0} milli-seconds", watch.Elapsed.TotalMilliseconds));
foreach (Rectangle rect in stopSignBoxList)
CvInvoke.Rectangle(image, rect, new Bgr(System.Drawing.Color.Red).MCvScalar, 2);
SetImageBitmap(image.ToBitmap());
image.Dispose();
}
};
OnButtonClick += (sender, args) =>
{
PickImage("stop-sign.jpg");
};
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
ButtonText = "Detect Stop Sign";
OnButtonClick +=
delegate
{
using (Mat stopSignModel = new Mat("stop-sign-model.png"))
using (Mat image = new Mat("stop-sign.jpg"))
{
Stopwatch watch = Stopwatch.StartNew(); // time the detection process
List<Mat> stopSignList = new List<Mat>();
List<Rectangle> stopSignBoxList = new List<Rectangle>();
StopSignDetector detector = new StopSignDetector(stopSignModel);
detector.DetectStopSign(image, stopSignList, stopSignBoxList);
watch.Stop(); //stop the timer
foreach (Rectangle rect in stopSignBoxList)
{
CvInvoke.Rectangle(image, rect, new MCvScalar(0, 0, 255), 2);
}
Size frameSize = FrameSize;
using (Mat resized = new Mat())
{
CvInvoke.ResizeForFrame(image, resized, frameSize);
MessageText = String.Format("Detection time: {0} milli-seconds", watch.Elapsed.TotalMilliseconds);
SetImage(resized);
}
}
};
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
OnButtonClick += delegate
{
using (Image<Bgr, byte> stopSignModel = new Image<Bgr, byte>(Assets, "stop-sign-model.png"))
using (Image<Bgr, Byte> image = PickImage("stop-sign.jpg"))
{
if (image == null)
return;
Stopwatch watch = Stopwatch.StartNew(); // time the detection process
List<Mat> stopSignList = new List<Mat>();
List<Rectangle> stopSignBoxList = new List<Rectangle>();
StopSignDetector detector = new StopSignDetector(stopSignModel);
detector.DetectStopSign(image.Mat, stopSignList, stopSignBoxList);
watch.Stop(); //stop the timer
SetMessage(String.Format("Detection time: {0} milli-seconds", watch.Elapsed.TotalMilliseconds));
foreach (Rectangle rect in stopSignBoxList)
image.Draw(rect, new Bgr(System.Drawing.Color.Red), 2);
SetImageBitmap(image.ToBitmap());
}
};
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
ButtonText = "Detect Stop Sign";
OnButtonClick +=
delegate
{
using (Image<Bgr, byte> stopSignModel = new Image<Bgr, byte>("stop-sign-model.png"))
using (Image<Bgr, Byte> image = new Image<Bgr, Byte>("stop-sign.jpg"))
{
Stopwatch watch = Stopwatch.StartNew(); // time the detection process
List<Image<Gray, Byte>> stopSignList = new List<Image<Gray, byte>>();
List<Rectangle> stopSignBoxList = new List<Rectangle>();
StopSignDetector detector = new StopSignDetector(stopSignModel);
detector.DetectStopSign(image, stopSignList, stopSignBoxList);
watch.Stop(); //stop the timer
foreach (Rectangle rect in stopSignBoxList)
{
image.Draw(rect, new Bgr(Color.Red), 2);
}
Size frameSize = FrameSize;
using (Image<Bgr, byte> resized = image.Resize(frameSize.Width, frameSize.Height, Emgu.CV.CvEnum.Inter.Cubic, true))
{
MessageText = String.Format("Detection time: {0} milli-seconds", watch.Elapsed.TotalMilliseconds);
SetImage(resized);
}
}
};
}
private void ProcessImage()
{
if (tick % 5 == 0)
{
// Stopwatch watch = Stopwatch.StartNew(); // time the detection process
Image <Bgr, byte> image;
image = img0;
List <Image <Gray, Byte> > stopSignList = new List <Image <Gray, byte> >();
List <Rectangle> stopSignBoxList = new List <Rectangle>();
List <String> id = new List <String>();
_stopSignDetector.DetectStopSign(image, stopSignList, stopSignBoxList, id);
// watch.Stop(); //stop the timer
//processTimeLabel.Text = String.Format("Stop Sign Detection time: {0} milli-seconds", watch.Elapsed.TotalMilliseconds);
panel1.Controls.Clear();
Point startPoint = new Point(10, 10);
for (int i = 0; i < stopSignList.Count; i++)
{
Rectangle rect = stopSignBoxList[i];
AddLabelAndImage(
ref startPoint,
String.Format("{0} Sign [{1},{2}]:", id[i], rect.Location.Y + rect.Width / 2, rect.Location.Y + rect.Height / 2),
stopSignList[i]);
last_rectangle[i] = rect;
checks_after_detection[i] = 7;
}
}
for (int i = 0; i < last_rectangle.Length; i++)
{
if (checks_after_detection[i]-- > 0)
{
img0 = add_x(img0, last_rectangle[i]);
}
}
imageBox1.Image = img0;
// imageBox1.Refresh();
}
