static void Main(string[] args)
{
string path = Path.Combine(typeof(Program).Assembly.CodeBase.Replace("file:///", "").Replace("/", "\\"), "..");
string fileName = args.Length > 0 ? args[0] : string.Empty;
if (!string.IsNullOrEmpty(fileName))
{
EllipseDetector detector = new EllipseDetector(fileName);
Tuple <Size, List <EllipseResult> > res = detector.Search();
List <EllipseResult> resultEllipses = res.Item2;
using (var bitmap = new Bitmap(fileName))
using (Graphics graphics = Graphics.FromImage(bitmap))
{
Brush aBrushCenter = Brushes.Blue;
int i = 0;
foreach (var result in resultEllipses)
{
var aBrush = i % 2 == 0 ? Brushes.Red : Brushes.Green;
graphics.FillRectangle(aBrushCenter, result.Center.X, result.Center.Y, 5, 5);
for (double angle = 0.0f; angle < Math.PI * 2; angle += 0.01f)
{
var v2X = result.RadiusA * Math.Cos(angle);
var v2Y = result.RadiusB * Math.Sin(angle);
var vx = v2X * Math.Cos(result.Radian) - v2Y * Math.Sin(result.Radian) + result.Center.X;
var vy = v2Y * Math.Cos(result.Radian) + v2X * Math.Sin(result.Radian) + result.Center.Y;
var points2 = new[] { new PointF(), new PointF() };
points2[0].X = (float)vx;
points2[0].Y = (float)vy;
points2[1].X = (float)vx;
points2[1].Y = (float)vy;
graphics.FillRectangle(aBrush, points2[0].X, points2[0].Y, 3, 3);
}
i++;
}
var fi = new FileInfo(fileName);
bitmap.Save(Path.Combine(path, "output" + fi.Name), bitmap.RawFormat);
Console.WriteLine("--------------------------------");
Console.WriteLine("Execution Time: ");
var times = detector.Execution;
Console.WriteLine("Edge Detection: \t{0}", times.EdgeDetection);
Console.WriteLine("Pre processing: \t{0}", times.PreProcessing);
Console.WriteLine("Grouping: \t{0}", times.Grouping);
Console.WriteLine("Estimation: \t{0}", times.Estimation);
Console.WriteLine("Validation: \t{0}", times.Validation);
Console.WriteLine("Clustering: \t{0}", times.Clustering);
Console.WriteLine("--------------------------------");
Console.WriteLine("Total: \t{0}", times.Total);
Console.WriteLine("--------------------------------");
Console.ReadKey();
}
}
}
/// <summary>
/// Find the marker ellipses.
/// </summary>
/// <param name="gray">Binary image</param>
/// <param name="finals">List of ellipses</param>
/// <param name="ids">Resulting ids of marker ellipses, ordered by the number of transitions descending</param>
/// <returns>True if all marker ellipses where found, false otherwise</returns>
private bool FindMarkerEllipses(Emgu.CV.Image <Gray, byte> gray, List <DetectedEllipse> finals, out int[] ids)
{
ids = new int[4] {
-1, -1, -1, -1
};
for (int i = 0; i < finals.Count; ++i)
{
int transitions = CountBinaryTransitions(finals[i], EllipseDetector.GetAffineFrame(finals[i].Ellipse), gray);
switch (transitions)
{
case 8:
if (ids[0] > -1)
{
return(false);
}
ids[0] = i;
break;
case 6:
if (ids[1] > -1)
{
return(false);
}
ids[1] = i;
break;
case 4:
if (ids[2] > -1)
{
return(false);
}
ids[2] = i;
break;
case 2:
if (ids[3] > -1)
{
return(false);
}
ids[3] = i;
break;
}
}
return(ids.Count(value => { return (value > -1); }) == 4);
}
static void Main(string[] args)
{
string path = Path.Combine(typeof(Program).Assembly.CodeBase.Replace("file:///", "").Replace("/", "\\"), "..");
string fileName = args.Length > 0 ? args[0] : string.Empty;
if (!string.IsNullOrEmpty(fileName))
{
var inputMat = CvInvoke.Imread(fileName);
var grayMat = new Mat();
CvInvoke.CvtColor(inputMat, grayMat, ColorConversion.Bgr2Gray);
EllipseDetector detector = new EllipseDetector();
detector.Detect(grayMat, out var ellipses);
using (var bitmap = new Bitmap(fileName))
using (Graphics graphics = Graphics.FromImage(bitmap))
{
Brush aBrushCenter = Brushes.Blue;
int i = 0;
foreach (var result in ellipses)
{
var aBrush = i % 2 == 0 ? Brushes.Red : Brushes.Green;
graphics.FillRectangle(aBrushCenter, result.Center.X, result.Center.Y, 5, 5);
for (double angle = 0.0f; angle < Math.PI * 2; angle += 0.01f)
{
var v2X = result.MajorSemiAxisLengthA * Math.Cos(angle);
var v2Y = result.MinorSemiAxisLengthB * Math.Sin(angle);
var vx = v2X * Math.Cos(result.OrientationAngleInRadian) - v2Y * Math.Sin(result.OrientationAngleInRadian) + result.Center.X;
var vy = v2Y * Math.Cos(result.OrientationAngleInRadian) + v2X * Math.Sin(result.OrientationAngleInRadian) + result.Center.Y;
var points2 = new[] { new PointF(), new PointF() };
points2[0].X = (float)vx;
points2[0].Y = (float)vy;
points2[1].X = (float)vx;
points2[1].Y = (float)vy;
graphics.FillRectangle(aBrush, points2[0].X, points2[0].Y, 3, 3);
}
i++;
}
var fi = new FileInfo(fileName);
bitmap.Save(Path.Combine(path, "output" + fi.Name), bitmap.RawFormat);
Console.WriteLine("--------------------------------");
Console.WriteLine("Execution Time: ");
var times = detector.ExecTime;
Console.WriteLine("Edge Detection: \t{0}", times.EdgeDetection);
Console.WriteLine("Pre processing: \t{0}", times.PreProcessing);
Console.WriteLine("Grouping: \t{0}", times.Grouping);
Console.WriteLine("Estimation: \t{0}", times.Estimation);
Console.WriteLine("Validation: \t{0}", times.Validation);
Console.WriteLine("Clustering: \t{0}", times.Clustering);
Console.WriteLine("--------------------------------");
Console.WriteLine("Total: \t{0}", times.Total);
Console.WriteLine("--------------------------------");
Console.ReadKey();
}
}
}
