public PolygonSubType CheckPolygonSubType(List <IntPoint> corners)
{
PolygonSubType polygonSubType = PolygonSubType.Unknown;
PointsCloud.GetBoundingRectangle(corners, out IntPoint minXY, out IntPoint maxXY);
IntPoint intPoint = maxXY - minXY;
float num = lengthError * (float)(intPoint.X + intPoint.Y) / 2f;
if (corners.Count == 3)
{
float angleBetweenVectors = GeometryTools.GetAngleBetweenVectors(corners[0], corners[1], corners[2]);
float angleBetweenVectors2 = GeometryTools.GetAngleBetweenVectors(corners[1], corners[2], corners[0]);
float angleBetweenVectors3 = GeometryTools.GetAngleBetweenVectors(corners[2], corners[0], corners[1]);
if (System.Math.Abs(angleBetweenVectors - 60f) <= angleError && System.Math.Abs(angleBetweenVectors2 - 60f) <= angleError && System.Math.Abs(angleBetweenVectors3 - 60f) <= angleError)
{
polygonSubType = PolygonSubType.EquilateralTriangle;
}
else
{
if (System.Math.Abs(angleBetweenVectors - angleBetweenVectors2) <= angleError || System.Math.Abs(angleBetweenVectors2 - angleBetweenVectors3) <= angleError || System.Math.Abs(angleBetweenVectors3 - angleBetweenVectors) <= angleError)
{
polygonSubType = PolygonSubType.IsoscelesTriangle;
}
if (System.Math.Abs(angleBetweenVectors - 90f) <= angleError || System.Math.Abs(angleBetweenVectors2 - 90f) <= angleError || System.Math.Abs(angleBetweenVectors3 - 90f) <= angleError)
{
polygonSubType = ((polygonSubType == PolygonSubType.IsoscelesTriangle) ? PolygonSubType.RectangledIsoscelesTriangle : PolygonSubType.RectangledTriangle);
}
}
}
else if (corners.Count == 4)
{
float angleBetweenLines = GeometryTools.GetAngleBetweenLines(corners[0], corners[1], corners[2], corners[3]);
float angleBetweenLines2 = GeometryTools.GetAngleBetweenLines(corners[1], corners[2], corners[3], corners[0]);
if (angleBetweenLines <= angleError)
{
polygonSubType = PolygonSubType.Trapezoid;
if (angleBetweenLines2 <= angleError)
{
polygonSubType = PolygonSubType.Parallelogram;
if (System.Math.Abs(GeometryTools.GetAngleBetweenVectors(corners[1], corners[0], corners[2]) - 90f) <= angleError)
{
polygonSubType = PolygonSubType.Rectangle;
}
float num2 = corners[0].DistanceTo(corners[1]);
float num3 = corners[0].DistanceTo(corners[3]);
if (System.Math.Abs(num2 - num3) <= num)
{
polygonSubType = ((polygonSubType == PolygonSubType.Parallelogram) ? PolygonSubType.Rhombus : PolygonSubType.Square);
}
}
}
else if (angleBetweenLines2 <= angleError)
{
polygonSubType = PolygonSubType.Trapezoid;
}
}
return(polygonSubType);
}
private void checkShape(SimpleShapeChecker shapeChecker, List <IntPoint> edgePts)
{
AForge.Point center;
float radius;
List <IntPoint> corners;
if (edgePts.Count > 4 && shapeChecker.IsCircle(edgePts, out center, out radius))
{
//shape is a circle
drawEllipse(center, radius);
shapeCount[0]++;
}
else if (edgePts.Count > 3 && shapeChecker.IsConvexPolygon(edgePts, out corners))
{
PolygonSubType subType = shapeChecker.CheckPolygonSubType(corners);
if (subType == PolygonSubType.Unknown)
{
shapeCount[4]++;
}
else if (subType == PolygonSubType.Square)
{
shapeCount[2]++;
}
else if (subType == PolygonSubType.Rectangle)
{
shapeCount[3]++;
}
else if (subType == PolygonSubType.Trapezoid)
{
shapeCount[5]++;
}
else if (subType == PolygonSubType.EquilateralTriangle)
{
shapeCount[1]++;
}
else if (subType == PolygonSubType.IsoscelesTriangle)
{
shapeCount[1]++;
}
drawPolygon(corners);
}
else if (shapeChecker.IsTriangle(edgePts))
{
//triangle
shapeCount[1]++;
}
}
public static Bitmap buscaRectangulos(Bitmap bitmap)
{
Blob[] blobs;
Rectangle area = new Rectangle(0, 0, bitmap.Width, bitmap.Height);
// lock image
BitmapData bitmapData = bitmap.LockBits(area, ImageLockMode.ReadWrite, bitmap.PixelFormat);
// Filtramos la imagen para determinar hasts cuando de ROJO, VERDE Y AZUL se permitiráanalizar
ColorFiltering colorFilter = new ColorFiltering();
colorFilter.Red = new IntRange(0, 104);
colorFilter.Green = new IntRange(0, 104);
colorFilter.Blue = new IntRange(0, 104);
colorFilter.FillOutsideRange = false; colorFilter.ApplyInPlace(bitmapData);
// Localizamos objetos en la imagen
BlobCounter blobCounter = new BlobCounter();
blobCounter.FilterBlobs = true;
blobCounter.MinHeight = 15;
blobCounter.MinWidth = 15;
blobCounter.ProcessImage(bitmapData);
blobs = blobCounter.GetObjectsInformation();
bitmap.UnlockBits(bitmapData);
// step 3 -check objects' type and highlight
SimpleShapeChecker shapeChecker = new SimpleShapeChecker();
Graphics g = Graphics.FromImage(bitmap);
Pen yellowPen = new Pen(Color.Yellow, 2);
// Para cada figuura encontrada
for (int i = 0, n = blobs.Length; i < n; i++)
{
List <IntPoint> edgePoints = blobCounter.GetBlobsEdgePoints(blobs[i]);
List <IntPoint> corners;
// Cuadrado
if (shapeChecker.IsQuadrilateral(edgePoints, out corners))
{//Obtenemos cuantas esquinas tiene el shape
PolygonSubType subType = shapeChecker.CheckPolygonSubType(corners);
//Pintamos las áreas detectadas
areaInteres(g, corners);
}
}
//yellowPen.Dispose();
g.Dispose();
// put new image to clipboard
Clipboard.SetDataObject(bitmap);
// and to picture box
return(bitmap);
}
[TestCase( PolygonSubType.Unknown, new int[] { 0, 0, 100, 0, 90, 50, 40, 70, 10, 40 } )] // unknown if 5 corners or more
public void CheckPolygonSubTypeTest( PolygonSubType expectedSubType, int[] corners )
{
Assert.AreEqual( expectedSubType, shapeChecker.CheckPolygonSubType( GetListOfPointFromArray( corners ) ) );
}
/// <summary>
/// Check sub type of a convex polygon.
/// </summary>
///
/// <param name="corners">Corners of the convex polygon to check.</param>
///
/// <returns>Return detected sub type of the specified shape.</returns>
///
/// <remarks><para>The method check corners of a convex polygon detecting
/// its subtype. Polygon's corners are usually retrieved using <see cref="IsConvexPolygon"/>
/// method, but can be any list of 3-4 points (only sub types of triangles and
/// quadrilateral are checked).</para>
///
/// <para>See <see cref="AngleError"/> and <see cref="LengthError"/> properties,
/// which set acceptable errors for polygon sub type checking.</para>
/// </remarks>
///
public PolygonSubType CheckPolygonSubType(List <IntPoint> corners)
{
PolygonSubType subType = PolygonSubType.Unknown;
// get bounding rectangle of the points list
IntPoint minXY, maxXY;
PointsCloud.GetBoundingRectangle(corners, out minXY, out maxXY);
// get cloud's size
IntPoint cloudSize = maxXY - minXY;
float maxLengthDiff = lengthError * (cloudSize.X + cloudSize.Y) / 2;
if (corners.Count == 3)
{
// get angles of the triangle
float angle1 = GeometryTools.GetAngleBetweenVectors(IntPoint.ToPoint(corners[0]), IntPoint.ToPoint(corners[1]), IntPoint.ToPoint(corners[2]));
float angle2 = GeometryTools.GetAngleBetweenVectors(IntPoint.ToPoint(corners[1]), IntPoint.ToPoint(corners[2]), IntPoint.ToPoint(corners[0]));
float angle3 = GeometryTools.GetAngleBetweenVectors(IntPoint.ToPoint(corners[2]), IntPoint.ToPoint(corners[0]), IntPoint.ToPoint(corners[1]));
// check for equilateral triangle
if ((Math.Abs(angle1 - 60) <= angleError) &&
(Math.Abs(angle2 - 60) <= angleError) &&
(Math.Abs(angle3 - 60) <= angleError))
{
subType = PolygonSubType.EquilateralTriangle;
}
else
{
// check for isosceles triangle
if ((Math.Abs(angle1 - angle2) <= angleError) ||
(Math.Abs(angle2 - angle3) <= angleError) ||
(Math.Abs(angle3 - angle1) <= angleError))
{
subType = PolygonSubType.IsoscelesTriangle;
}
// check for rectangled triangle
if ((Math.Abs(angle1 - 90) <= angleError) ||
(Math.Abs(angle2 - 90) <= angleError) ||
(Math.Abs(angle3 - 90) <= angleError))
{
subType = (subType == PolygonSubType.IsoscelesTriangle) ?
PolygonSubType.RectangledIsoscelesTriangle : PolygonSubType.RectangledTriangle;
}
}
}
else if (corners.Count == 4)
{
// get angles between 2 pairs of opposite sides
float angleBetween1stPair = GeometryTools.GetAngleBetweenLines(IntPoint.ToPoint(corners[0]), IntPoint.ToPoint(corners[1]), IntPoint.ToPoint(corners[2]), IntPoint.ToPoint(corners[3]));
float angleBetween2ndPair = GeometryTools.GetAngleBetweenLines(IntPoint.ToPoint(corners[1]), IntPoint.ToPoint(corners[2]), IntPoint.ToPoint(corners[3]), IntPoint.ToPoint(corners[0]));
// check 1st pair for parallelism
if (angleBetween1stPair <= angleError)
{
subType = PolygonSubType.Trapezoid;
// check 2nd pair for parallelism
if (angleBetween2ndPair <= angleError)
{
subType = PolygonSubType.Parallelogram;
// check angle between adjacent sides
if (Math.Abs(GeometryTools.GetAngleBetweenVectors(IntPoint.ToPoint(corners[1]), IntPoint.ToPoint(corners[0]), IntPoint.ToPoint(corners[2])) - 90) <= angleError)
{
subType = PolygonSubType.Rectangle;
}
// get length of 2 adjacent sides
float side1Length = (float)corners[0].DistanceTo(corners[1]);
float side2Length = (float)corners[0].DistanceTo(corners[3]);
if (Math.Abs(side1Length - side2Length) <= maxLengthDiff)
{
subType = (subType == PolygonSubType.Parallelogram) ?
PolygonSubType.Rhombus : PolygonSubType.Square;
}
}
}
else
{
// check 2nd pair for parallelism - last chence to detect trapezoid
if (angleBetween2ndPair <= angleError)
{
subType = PolygonSubType.Trapezoid;
}
}
}
return(subType);
}
private void ProcessImage(Bitmap bitmap)
{
if (CBApplyCanny.Checked)
{
Bitmap video2 = (Bitmap)bitmap.Clone();
Grayscale gray = new Grayscale(0.2125, 0.7154, 0.0721);
Bitmap video3 = gray.Apply(video2);
CannyEdgeDetector canny = new CannyEdgeDetector(0, 70);
canny.ApplyInPlace(video3);
//PictureViewerEditor.Image = (Bitmap)Image.FromFile(imageFileName);
PBCanny.Image = (Bitmap)video3.Clone();//assign the pointer back to the clone
//if (CBFindCircles.Checked)
//{
// //System.Drawing.Image returnImage = null;
// //returnImage = (System.Drawing.Image)CaptureBox.Image.Clone();
// // Clipboard.SetImage(replacementImage);
// Bitmap cannyImage = (Bitmap)PBCapture.Image.Clone();
// ProcessImage(cannyImage);
// return;
//}
GC.Collect();
//return;
}
// lock image
BitmapData bitmapData = bitmap.LockBits(
new Rectangle(0, 0, bitmap.Width, bitmap.Height),
ImageLockMode.ReadWrite, bitmap.PixelFormat);
// step 1 - turn background to black
ColorFiltering colorFilter = new ColorFiltering();
colorFilter.Red = new IntRange(0, 64);
colorFilter.Green = new IntRange(0, 64);
colorFilter.Blue = new IntRange(0, 64);
colorFilter.FillOutsideRange = false;
colorFilter.ApplyInPlace(bitmapData);
// step 2 - locating objects
BlobCounter blobCounter = new BlobCounter();
blobCounter.FilterBlobs = true;
blobCounter.MinHeight = 5;
blobCounter.MinWidth = 5;
blobCounter.ProcessImage(bitmapData);
Blob[] blobs = blobCounter.GetObjectsInformation();
bitmap.UnlockBits(bitmapData);
PBCanny.Image = (Bitmap)bitmap.Clone();
// step 3 - check objects' type and highlight
SimpleShapeChecker shapeChecker = new SimpleShapeChecker();
Graphics g = Graphics.FromImage(bitmap);
Pen yellowPen = new Pen(Color.Yellow, 2); // circles
Pen redPen = new Pen(Color.Red, 2); // quadrilateral
Pen brownPen = new Pen(Color.Brown, 2); // quadrilateral with known sub-type
Pen greenPen = new Pen(Color.Green, 2); // known triangle
Pen bluePen = new Pen(Color.Blue, 2); // triangle
for (int i = 0, n = blobs.Length; i < n; i++)
{
List <IntPoint> edgePoints = blobCounter.GetBlobsEdgePoints(blobs[i]);
AForge.Point center;
float radius;
// is circle ?
if (shapeChecker.IsCircle(edgePoints, out center, out radius))
{
g.DrawEllipse(yellowPen,
(float)(center.X - radius), (float)(center.Y - radius),
(float)(radius * 2), (float)(radius * 2));
}
else
{
List <IntPoint> corners;
// is triangle or quadrilateral
if (shapeChecker.IsConvexPolygon(edgePoints, out corners))
{
// get sub-type
PolygonSubType subType = shapeChecker.CheckPolygonSubType(corners);
Pen pen;
if (subType == PolygonSubType.Unknown)
{
pen = (corners.Count == 4) ? redPen : bluePen;
}
else
{
pen = (corners.Count == 4) ? brownPen : greenPen;
}
g.DrawPolygon(pen, ToPointsArray(corners));
}
}
}
yellowPen.Dispose();
redPen.Dispose();
greenPen.Dispose();
bluePen.Dispose();
brownPen.Dispose();
g.Dispose();
// put new image to clipboard
//Clipboard.SetDataObject(bitmap);
// and to picture box
PBAnalysis.Image = bitmap;
//UpdatePictureBoxPosition();
}
// Process image
private void ProcessImage(Bitmap bitmap)
{
// lock image
BitmapData bitmapData = bitmap.LockBits(
new Rectangle(0, 0, bitmap.Width, bitmap.Height),
ImageLockMode.ReadWrite, bitmap.PixelFormat);
// step 1 - turn background to black
ColorFiltering colorFilter = new ColorFiltering
{
Blue = new IntRange(0, 64),
FillOutsideRange = false
};
colorFilter.ApplyInPlace(bitmapData);
// step 2 - locating objects
BlobCounter blobCounter = new BlobCounter
{
FilterBlobs = true,
MinHeight = 5,
MinWidth = 5
};
blobCounter.ProcessImage(bitmapData);
Blob[] blobs = blobCounter.GetObjectsInformation();
bitmap.UnlockBits(bitmapData);
// step 3 - check objects' type and highlight
SimpleShapeChecker shapeChecker = new SimpleShapeChecker();
//Pen colorPen = new Pen(Color.Yellow, 2); // quadrilateral with known sub-type
using (Graphics g = Graphics.FromImage(bitmap)) // SourceImage is a Bitmap object
{
for (int i = 0, n = blobs.Length; i < n; i++)
{
List <IntPoint> edgePoints = blobCounter.GetBlobsEdgePoints(blobs[i]);
// is triangle or quadrilateral
if (shapeChecker.IsConvexPolygon(edgePoints, out List <IntPoint> corners))
{
// get sub-type
PolygonSubType subType = shapeChecker.CheckPolygonSubType(corners);
if (subType != PolygonSubType.Unknown)
{
if (corners.Count == 4)
{
// ignore the application window itself
if (corners[0].X <= 15)
{
continue;
}
else
{
//g.DrawPolygon(colorPen, ToPointsArray(corners));
int right = corners[0].X, left = corners[0].X, top = corners[0].Y, bottom = corners[0].Y;
for (int j = 0; j < corners.Count; j++)
{
if (corners[j].X > right)
{
right = corners[j].X;
}
if (corners[j].X < left)
{
left = corners[j].X;
}
if (corners[j].Y > bottom)
{
bottom = corners[j].Y;
}
if (corners[j].Y < top)
{
top = corners[j].Y;
}
}
Rectangle section = new Rectangle(new System.Drawing.Point(left, top), new Size(right - left, bottom - top));
IntPoint center = new IntPoint(((right - left) / 2) + left, ((top - bottom) / 2) + top);
grid.Add(DetectStatus(CropImage(bitmap, section), center, section));
}
}
}
}
}
}
//colorPen.Dispose();
//sweeperGrid[10].Save(@".\image2.png");
// put new image to clipboard
//bitmap.Save(@".\image.png");
}
//private List<Triangle> LoadImage()
//{
// // load arrow bitmap
// string embeddedFileName = CheckForUploadedFile();
// Assembly assembly = this.GetType().Assembly;
// Bitmap image = new Bitmap(assembly.GetManifestResourceStream(embeddedFileName));
// List<Triangle> triangleList;
// // triangleList= ProcessImage(image);
// return triangleList;
//}
private List <Triangle> ProcessImage()
{
List <Triangle> TriangleList = new List <Triangle>();
List <ULBounds> triBounds = new List <ULBounds>();
int currentMaxX = 0;
int currentMaxY = 0;
int currentUBoundsX = 0;
int currentUBoundsY = 0;
int currentCol = 0;
String currentRow = String.Empty;
string embeddedFileName = CheckForUploadedFile();
if (embeddedFileName == String.Empty)
{
TriangleList = NoTriangleFound();
return(TriangleList);
}
Bitmap bitmap = (Bitmap)Bitmap.FromFile(embeddedFileName);
// Triangle Class List
// values needed to find area of a triangle
// double[] X;
// double[] Y;
int z;
double area;
// lock image
String filePath = CheckForUploadedFile();
Int16 Tol = 38;
Color replace1 = new Color();
replace1 = Color.FromArgb(129, 187, 237);
Color newColor = new Color();
newColor = Color.FromArgb(0, 0, 0);
ImageConverter ic = new ImageConverter();
Color replace2 = new Color();
replace2 = Color.FromArgb(199, 221, 234);
Tol = 38;
System.Drawing.Image tmpImage = System.Drawing.Image.FromFile(filePath);
tmpImage = ColorReplace(tmpImage, Tol, replace1, newColor);
ColorReplace(tmpImage, Tol, replace2, newColor);
// UpdatePictureBoxPositionOutPut();
bitmap = new Bitmap(tmpImage);
BitmapData bitmapData = bitmap.LockBits(
new Rectangle(0, 0, bitmap.Width, bitmap.Height),
ImageLockMode.ReadWrite, bitmap.PixelFormat);
// step 1 - turn background to black
ColorFiltering colorFilter = new ColorFiltering();
colorFilter.Red = new IntRange(0, 64);
colorFilter.Green = new IntRange(0, 64);
colorFilter.Blue = new IntRange(0, 64);
colorFilter.FillOutsideRange = false;
colorFilter.ApplyInPlace(bitmapData);
// step 2 - locating objects
BlobCounter blobCounter = new BlobCounter();
blobCounter.FilterBlobs = true;
blobCounter.MinHeight = 5;
blobCounter.MinWidth = 5;
blobCounter.ProcessImage(bitmapData);
Blob[] blobs = blobCounter.GetObjectsInformation();
bitmap.UnlockBits(bitmapData);
// step 3 - check objects' type and highlight
SimpleShapeChecker shapeChecker = new SimpleShapeChecker();
Graphics g = Graphics.FromImage(bitmap);
Pen yellowPen = new Pen(Color.Yellow, 2); // circles
Pen redPen = new Pen(Color.Red, 2); // quadrilateral
Pen brownPen = new Pen(Color.Brown, 2); // quadrilateral with known sub-type
Pen greenPen = new Pen(Color.Green, 2); // known triangle
Pen bluePen = new Pen(Color.Blue, 2); // triangle
int triFound = 0;
for (int i = 0, n = blobs.Length; i < n; i++)
{
List <IntPoint> edgePoints = blobCounter.GetBlobsEdgePoints(blobs[i]);
DoublePoint center;
double radius;
int tempX = 0;
int tempY = 0;
int tempCol = 0;
String tempRow = string.Empty;
// is circle ?
if (shapeChecker.IsCircle(edgePoints, out center, out radius))
{
g.DrawEllipse(yellowPen,
(float)(center.X - radius), (float)(center.Y - radius),
(float)(radius * 2), (float)(radius * 2));
}
else
{
List <IntPoint> corners;
// is triangle or quadrilateral
if (shapeChecker.IsConvexPolygon(edgePoints, out corners))
{
// get sub-type
PolygonSubType subType = shapeChecker.CheckPolygonSubType(corners);
Pen pen;
if (subType == PolygonSubType.Unknown)
{
pen = (corners.Count == 4) ? redPen : bluePen;
}
else
{
pen = (corners.Count == 4) ? brownPen : yellowPen;
double[] X = { corners[0].X, corners[1].X, corners[2].X };
double[] Y = { corners[0].Y, corners[1].Y, corners[2].Y };
z = X.Length;
area = polygonArea(X, Y, z);
if (area < 40000)
{
triFound = triFound + 1;
Triangle tmpTri = new Triangle();
ULBounds tmpULB = new ULBounds();
tmpTri.Name = "Triangle " + triFound.ToString();
tmpTri.PtAx = corners[0].X;
tmpTri.PtAy = corners[0].Y;
if (tmpTri.PtAx > currentMaxX)
{
currentMaxX = tmpTri.PtAx;
}
if (tmpTri.PtAy > currentMaxY)
{
currentMaxY = tmpTri.PtAy;
}
tmpTri.PtBx = corners[1].X;
tmpTri.PtBy = corners[1].Y;
if (tmpTri.PtBx > currentMaxX)
{
currentMaxX = tmpTri.PtBx;
}
if (tmpTri.PtBy > currentMaxY)
{
currentMaxY = tmpTri.PtBy;
}
tmpTri.PtCx = corners[2].X;
tmpTri.PtCy = corners[2].Y;
if (tmpTri.PtCx > currentMaxX)
{
currentMaxX = tmpTri.PtCx;
}
if (tmpTri.PtBy > currentMaxY)
{
currentMaxY = tmpTri.PtBy;
}
if (currentCol == 0)
{
currentCol++; tempCol = currentCol; currentUBoundsY = currentMaxY;
}
else
{
currentCol = GetMaxColumn(triBounds);
}
if (currentRow == string.Empty)
{
currentRow = Increment(currentRow); tempRow = currentRow; currentUBoundsX = currentMaxX;
}
else
{
currentRow = GetMaxRow(triBounds);
};
if (triBounds.Count == 0)
{
//adding Row
tmpULB.Col = 0;
tmpULB.Row = tempRow;
tmpULB.Lower = 0;
tmpULB.Upper = currentMaxY;
triBounds.Add(tmpULB);
tmpULB = new ULBounds();
//adding Col
tmpULB.Col = tempCol;
tmpULB.Row = String.Empty;
tmpULB.Lower = 0;
tmpULB.Upper = currentMaxX;
triBounds.Add(tmpULB);
}
if (currentMaxX > (currentUBoundsX * 1.15))
{
currentUBoundsX = GetMaxColumnUBounds(triBounds);
if (currentMaxX > (currentUBoundsX * 1.15))
{
tempCol = GetMaxColumn(triBounds);
tmpULB = new ULBounds();
tempCol = tempCol++;
tmpULB.Col = tempCol;
tmpULB.Row = String.Empty;
tmpULB.Lower = currentUBoundsX + 1;
tmpULB.Upper = currentMaxX;
triBounds.Add(tmpULB);
}
}
if (currentMaxY > (currentUBoundsY * 1.15))
{
currentUBoundsY = GetMaxColumnUBounds(triBounds);
if (currentMaxY > (currentUBoundsY * 1.15))
{
tempRow = GetMaxRow(triBounds);
tmpULB = new ULBounds();
tempRow = Increment(tempRow);
//adding Col
tmpULB.Col = tempCol;
tmpULB.Row = String.Empty;
tmpULB.Lower = 0;
tmpULB.Upper = currentMaxX;
triBounds.Add(tmpULB);
}
}
tmpTri.Row = currentRow.ToUpper();
tmpTri.Col = currentCol;
tmpTri.Area = polygonArea(X, Y, z);
TriangleList.Add(tmpTri);
}
}
g.DrawPolygon(pen, ToPointsArray(corners));
}
}
}
yellowPen.Dispose();
redPen.Dispose();
greenPen.Dispose();
bluePen.Dispose();
brownPen.Dispose();
g.Dispose();
return(TriangleList);
}
// Process image
void ProcessImage(Bitmap bitmap)
{
#if !SILVERLIGHT && !UNITY_WEBPLAYER
// lock image
BitmapData bitmapData = bitmap.LockBits(
new RectI(0, 0, bitmap.PixelWidth, bitmap.PixelHeight),
ImageLockMode.ReadWrite, bitmap.PixelFormat);
// step 1 - turn background to black
ColorFiltering colorFilter = new ColorFiltering();
colorFilter.Red = new IntRange(0, 64);
colorFilter.Green = new IntRange(0, 64);
colorFilter.Blue = new IntRange(0, 64);
colorFilter.FillOutsideRange = false;
colorFilter.ApplyInPlace(bitmapData);
// step 2 - locating objects
BlobCounter blobCounter = new BlobCounter();
blobCounter.FilterBlobs = true;
blobCounter.MinHeight = 5;
blobCounter.MinWidth = 5;
blobCounter.ProcessImage(bitmapData);
Blob[] blobs = blobCounter.GetObjectsInformation();
bitmap.UnlockBits(bitmapData);
// step 3 - check objects' type and highlight
SimpleShapeChecker shapeChecker = new SimpleShapeChecker();
Graphics g = Graphics.FromImage(bitmap);
Pen yellowPen = new Pen(Color.Yellow, 2); // circles
Pen redPen = new Pen(Color.Red, 2); // quadrilateral
Pen brownPen = new Pen(Color.Brown, 2); // quadrilateral with known sub-type
Pen greenPen = new Pen(Color.Green, 2); // known triangle
Pen bluePen = new Pen(Color.Blue, 2); // triangle
for (int i = 0, n = blobs.Length; i < n; i++)
{
List <IntPoint> edgePoints = blobCounter.GetBlobsEdgePoints(blobs[i]);
global::AForge.Point center;
float radius;
// is circle ?
if (shapeChecker.IsCircle(edgePoints, out center, out radius))
{
g.DrawEllipse(yellowPen,
(float)(center.X - radius), (float)(center.Y - radius),
(float)(radius * 2), (float)(radius * 2));
}
else
{
List <IntPoint> corners;
// is triangle or quadrilateral
if (shapeChecker.IsConvexPolygon(edgePoints, out corners))
{
// get sub-type
PolygonSubType subType = shapeChecker.CheckPolygonSubType(corners);
Pen pen;
if (subType == PolygonSubType.Unknown)
{
pen = (corners.Count == 4) ? redPen : bluePen;
}
else
{
pen = (corners.Count == 4) ? brownPen : greenPen;
}
g.DrawPolygon(pen, ToPointsArray(corners));
}
}
}
yellowPen.Dispose();
redPen.Dispose();
greenPen.Dispose();
bluePen.Dispose();
brownPen.Dispose();
g.Dispose();
#endif
// and to picture box
pictureBox.Image = bitmap;
}
public bool markKnownForms()
{
if (currentImage != null)
{
try
{
Bitmap image = new Bitmap(this.currentImage);
// lock image
BitmapData bmData = image.LockBits(
new Rectangle(0, 0, image.Width, image.Height),
ImageLockMode.ReadWrite, image.PixelFormat);
// turn background to black
ColorFiltering cFilter = new ColorFiltering
{
Red = new IntRange(0, 64),
Green = new IntRange(0, 64),
Blue = new IntRange(0, 64),
FillOutsideRange = false
};
cFilter.ApplyInPlace(bmData);
// locate objects
BlobCounter bCounter = new BlobCounter
{
FilterBlobs = true,
MinHeight = 10,
MinWidth = 10
};
bCounter.ProcessImage(bmData);
Blob[] baBlobs = bCounter.GetObjectsInformation();
image.UnlockBits(bmData);
// coloring objects
SimpleShapeChecker shapeChecker = new SimpleShapeChecker();
Graphics g = Graphics.FromImage(image);
Pen yellowPen = new Pen(Color.Yellow, 2); // circles
Pen redPen = new Pen(Color.Red, 2); // quadrilateral
Pen brownPen = new Pen(Color.Brown, 2); // quadrilateral with known sub-type
Pen greenPen = new Pen(Color.Green, 2); // known triangle
Pen bluePen = new Pen(Color.Blue, 2); // triangle
for (int i = 0, n = baBlobs.Length; i < n; i++)
{
List <IntPoint> edgePoints = bCounter.GetBlobsEdgePoints(baBlobs[i]);
// is circle ?
if (shapeChecker.IsCircle(edgePoints, out AForge.Point center, out float radius))
{
//g.DrawEllipse(yellowPen,
// (float)(center.X - radius), (float)(center.Y - radius),
// (float)(radius * 2), (float)(radius * 2));
g.DrawEllipse(yellowPen, (float)(center.X - radius),
(float)(center.Y - radius),
(float)(radius * 2),
(float)(radius * 2));
}
else
{
if (shapeChecker.IsQuadrilateral(edgePoints, out List <IntPoint> corners))
{
Rectangle[] _rects = bCounter.GetObjectsRectangles();
System.Drawing.Point[] _coordinates = ToPointsArray(corners);
Pen _pen = new Pen(Color.Pink, 5);
int _x = _coordinates[0].X;
int _y = _coordinates[0].Y;
g.DrawPolygon(_pen, ToPointsArray(corners));
}
// is triangle or quadrilateral
if (shapeChecker.IsConvexPolygon(edgePoints, out corners))
{
PolygonSubType subType = shapeChecker.CheckPolygonSubType(corners);
Pen pen;
if (subType == PolygonSubType.Unknown)
{
pen = (corners.Count == 4) ? redPen : bluePen;
}
else
{
pen = (corners.Count == 4) ? brownPen : greenPen;
}
g.DrawPolygon(pen, ToPointsArray(corners));
}
}
}
private void detectQuads(Bitmap bitmap)
{
// Greyscale
filteredBitmap = Grayscale.CommonAlgorithms.BT709.Apply(bitmap);
// edge filter
SobelEdgeDetector edgeFilter = new SobelEdgeDetector();
edgeFilter.ApplyInPlace(filteredBitmap);
// Threshhold filter
Threshold threshholdFilter = new Threshold(190);
threshholdFilter.ApplyInPlace(filteredBitmap);
BitmapData bitmapData = filteredBitmap.LockBits(
new Rectangle(0, 0, filteredBitmap.Width, filteredBitmap.Height),
ImageLockMode.ReadWrite, filteredBitmap.PixelFormat);
BlobCounter blobCounter = new BlobCounter();
blobCounter.FilterBlobs = true;
blobCounter.MinHeight = 125;
blobCounter.MinWidth = 125;
blobCounter.ProcessImage(bitmapData);
Blob[] blobs = blobCounter.GetObjectsInformation();
filteredBitmap.UnlockBits(bitmapData);
SimpleShapeChecker shapeChecker = new SimpleShapeChecker();
Bitmap bm = new Bitmap(filteredBitmap.Width, filteredBitmap.Height, PixelFormat.Format24bppRgb);
Graphics g = Graphics.FromImage(bm);
g.DrawImage(filteredBitmap, 0, 0);
Pen pen = new Pen(Color.Red, 5);
List <IntPoint> cardPositions = new List <IntPoint>();
// Loop through detected shapes
for (int i = 0, n = blobs.Length; i < n; i++)
{
List <IntPoint> edgePoints = blobCounter.GetBlobsEdgePoints(blobs[i]);
List <IntPoint> corners;
bool sameCard = false;
// is triangle or quadrilateral
if (shapeChecker.IsConvexPolygon(edgePoints, out corners))
{
// get sub-type
PolygonSubType subType = shapeChecker.CheckPolygonSubType(corners);
// Only return 4 corner rectanges
if ((subType == PolygonSubType.Parallelogram || subType == PolygonSubType.Rectangle) && corners.Count == 4)
{
// Check if its sideways, if so rearrange the corners so it's veritcal
rearrangeCorners(corners);
// Prevent it from detecting the same card twice
foreach (IntPoint point in cardPositions)
{
if (corners[0].DistanceTo(point) < 40)
{
sameCard = true;
}
}
if (sameCard)
{
continue;
}
// Hack to prevent it from detecting smaller sections of the card instead of the whole card
if (GetArea(corners) < 20000)
{
continue;
}
cardPositions.Add(corners[0]);
g.DrawPolygon(pen, ToPointsArray(corners));
// Extract the card bitmap
QuadrilateralTransformation transformFilter = new QuadrilateralTransformation(corners, 211, 298);
cardBitmap = transformFilter.Apply(cameraBitmap);
List <IntPoint> artCorners = new List <IntPoint>();
artCorners.Add(new IntPoint(14, 35));
artCorners.Add(new IntPoint(193, 35));
artCorners.Add(new IntPoint(193, 168));
artCorners.Add(new IntPoint(14, 168));
// Extract the art bitmap
QuadrilateralTransformation cartArtFilter = new QuadrilateralTransformation(artCorners, 183, 133);
cardArtBitmap = cartArtFilter.Apply(cardBitmap);
MagicCard card = new MagicCard();
card.corners = corners;
card.cardBitmap = cardBitmap;
card.cardArtBitmap = cardArtBitmap;
magicCards.Add(card);
}
}
}
pen.Dispose();
g.Dispose();
filteredBitmap = bm;
}
// Process image
private void ProcessImage(string fileName)
{
Bitmap bitmap = new Bitmap(fileName);
// lock image
BitmapData bitmapData = bitmap.LockBits(
new Rectangle(0, 0, bitmap.Width, bitmap.Height),
ImageLockMode.ReadWrite, bitmap.PixelFormat);
// step 1 - turn background to black
ColorFiltering colorFilter = new ColorFiltering();
colorFilter.Red = new IntRange(0, 254);
colorFilter.Green = new IntRange(0, 254);
colorFilter.Blue = new IntRange(0, 254);
colorFilter.FillOutsideRange = false;
colorFilter.ApplyInPlace(bitmapData);
// step 2 - locating objects
BlobCounter blobCounter = new BlobCounter();
blobCounter.FilterBlobs = true;
blobCounter.MinHeight = 5;
blobCounter.MinWidth = 5;
blobCounter.ProcessImage(bitmapData);
Blob[] blobs = blobCounter.GetObjectsInformation();
bitmap.UnlockBits(bitmapData);
// step 3 - check objects' type and highlight
SimpleShapeChecker shapeChecker = new SimpleShapeChecker();
Graphics g = Graphics.FromImage(bitmap);
Pen yellowPen = new Pen(Color.Yellow, 2); // circles
Pen redPen = new Pen(Color.Red, 2); // quadrilateral
Pen brownPen = new Pen(Color.Brown, 2); // quadrilateral with known sub-type
Pen greenPen = new Pen(Color.Green, 2); // known triangle
Pen bluePen = new Pen(Color.Blue, 2); // triangle
int count = 0;
for (int i = 0, n = blobs.Length; i < n; i++)
{
List <IntPoint> edgePoints = blobCounter.GetBlobsEdgePoints(blobs[i]);
DoublePoint center;
double radius;
// is circle ?
if (shapeChecker.IsCircle(edgePoints, out center, out radius))
{
g.DrawEllipse(yellowPen,
(float)(center.X - radius), (float)(center.Y - radius),
(float)(radius * 2), (float)(radius * 2));
redPointF = new PointF((float)(center.X + 320), (float)(center.Y + 60));
lblPoint.Text = string.Format("[{0}, {1}]", redPointF.X, redPointF.Y);
count++;
}
else
{
List <IntPoint> corners;
// is triangle or quadrilateral
if (shapeChecker.IsConvexPolygon(edgePoints, out corners))
{
// get sub-type
PolygonSubType subType = shapeChecker.CheckPolygonSubType(corners);
Pen pen;
if (subType == PolygonSubType.Unknown)
{
pen = (corners.Count == 4) ? redPen : bluePen;
}
else
{
pen = (corners.Count == 4) ? brownPen : greenPen;
}
g.DrawPolygon(pen, ToPointsArray(corners));
}
}
}
yellowPen.Dispose();
redPen.Dispose();
greenPen.Dispose();
bluePen.Dispose();
brownPen.Dispose();
g.Dispose();
// put new image to clipboard
//Clipboard.SetDataObject(bitmap);
// and to picture box
pictureBox.Image = bitmap;
if (count == 1)
{
string name = Path.GetFileNameWithoutExtension(fileName);
var names = name.Split('_');
if (names.Length == 9)
{
var x = names[7];
var y = names[8];
txtXPoint.Text = x;
txtYPoint.Text = y;
btnCalculate_Click(null, null);
}
else
{
txtXPoint.Text = "";
txtYPoint.Text = "";
this.lblDistance.Text = "";
}
}
else
{
if (MessageBox.Show("光斑识别失败，请打开包含正常光斑的图片。", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error) == DialogResult.OK)
{
this.lblPoint.Text = "[0, 0]";
txtXPoint.Text = "";
txtYPoint.Text = "";
this.lblDistance.Text = "";
this.pictureBox.Image = null;
}
}
}
[TestCase(PolygonSubType.Unknown, new int[] { 0, 0, 100, 0, 90, 50, 40, 70, 10, 40 })] // unknown if 5 corners or more
public void CheckPolygonSubTypeTest(PolygonSubType expectedSubType, int[] corners)
{
Assert.AreEqual(expectedSubType, shapeChecker.CheckPolygonSubType(GetListOfPointFromArray(corners)));
}
// Summary - Gets the exterior rectangles.
/***************
* It uses a different JPEG altogether due to bpp issue (only 24 or 32 is acceptable).
* Selects the rectangles on the basis of area (around 350 to 400).
* Sends the quadrilaterals (4 of them) with their 4 coordinates (each) to DecideCorners for trimming.
*/
public void PreProcess()
{
Bitmap bitmap = this.scanned_image;
List <List <IntPoint> > QuadCorners = new List <List <IntPoint> >(4);
BitmapData bitmapData = bitmap.LockBits(
new Rectangle(0, 0, bitmap.Width, bitmap.Height),
ImageLockMode.ReadWrite, bitmap.PixelFormat);
// step 1 - turn background to black
ColorFiltering colorFilter = new ColorFiltering();
colorFilter.Red = new IntRange(0, 64);
colorFilter.Green = new IntRange(0, 64);
colorFilter.Blue = new IntRange(0, 64);
colorFilter.FillOutsideRange = false;
//MessageBox.Show(bitmapData.PixelFormat.ToString());
colorFilter.ApplyInPlace(bitmapData);
// step 2 - locating objects
BlobCounter blobCounter = new BlobCounter();
blobCounter.FilterBlobs = true;
blobCounter.MinHeight = 5;
blobCounter.MinWidth = 5;
blobCounter.ProcessImage(bitmapData);
Blob[] blobs = blobCounter.GetObjectsInformation();
bitmap.UnlockBits(bitmapData);
// step 3 - check objects' type and highlight
SimpleShapeChecker shapeChecker = new SimpleShapeChecker();
//int count = 0;
Pen redPen = new Pen(Color.Red, 2);
Graphics g = Graphics.FromImage(bitmap);
// Threshold area values for rectangles. It doesnt have a specific equation for the value based on threshold.
// Values have been tested and set accordingly.
int area_upper = 0, area_lower = 0;
if (Scanner_DPI.dpi_value == 200)
{
area_lower = 2000;
area_upper = 3000;
}
else if (Scanner_DPI.dpi_value == 300)
{
area_lower = 5000;
area_upper = 6000;
}
for (int i = 0, n = blobs.Length; i < n; i++)
{
List <IntPoint> edgePoints = blobCounter.GetBlobsEdgePoints(blobs[i]);
List <IntPoint> corners;
// is quadrilateral
if (shapeChecker.IsConvexPolygon(edgePoints, out corners))
{
// get sub-type
PolygonSubType subType = shapeChecker.CheckPolygonSubType(corners);
if (subType == PolygonSubType.Rectangle && blobs[i].Area > area_lower && blobs[i].Area < area_upper)
{
//g.DrawPolygon(redPen, ToPointsArray(corners));
QuadCorners.Add(corners);
}
}
}
this.scanned_image = DecideCorners(QuadCorners);
}
public static Tuple <Bitmap, Bitmap, Bitmap, Bitmap, List <Bitmap> > blob(Bitmap img, Interval w, Interval h, Boolean couple)
{
Bitmap sourceImage = (Bitmap)(img);
////////////////////////////////////////////////////
BlobCounter blobCounter = new BlobCounter();
blobCounter.FilterBlobs = true;
blobCounter.MinHeight = (int)h.Min;
blobCounter.MaxHeight = (int)h.Max;
blobCounter.MinWidth = (int)w.Min;
blobCounter.MaxWidth = (int)w.Max;
blobCounter.CoupledSizeFiltering = couple;
//blobCounter.BackgroundThreshold.
blobCounter.ProcessImage(sourceImage);
Blob[] blobs = blobCounter.GetObjectsInformation();
//bitmap.UnlockBits(sourceImage);
////////////////////////////////////////////////////
Bitmap newBlobImg = (Bitmap)(sourceImage).Clone();
// create filter
BlobsFiltering filterBlob = new BlobsFiltering();
// configure filter
filterBlob.CoupledSizeFiltering = couple;
filterBlob.MinHeight = (int)h.Min;
filterBlob.MaxHeight = (int)h.Max;
filterBlob.MinWidth = (int)w.Min;
filterBlob.MaxWidth = (int)w.Max;
// apply the filter
newBlobImg = filterBlob.Apply(newBlobImg);
////////////////////////////////////////////////////
Bitmap rectImage = (Bitmap)(newBlobImg).Clone();
GrayscaleToRGB convertToColor = new GrayscaleToRGB();
if (rectImage.PixelFormat == System.Drawing.Imaging.PixelFormat.Format8bppIndexed)
{
rectImage = convertToColor.Apply(newBlobImg);
}
Graphics g = Graphics.FromImage(rectImage);
Pen myPen = new Pen(Color.Red, 1);
List <Bitmap> blobIMGs = new List <Bitmap>();
for (int i = 0; i < blobs.Length; i++)
{
blobIMGs.Add((Bitmap)(newBlobImg).Clone(blobs[i].Rectangle, PixelFormat.Format32bppArgb));
g.DrawRectangle(myPen, blobs[i].Rectangle);
}
////////////////////////////////////////////////////
Bitmap colorImage = (Bitmap)(newBlobImg).Clone();
ConnectedComponentsLabeling filter = new ConnectedComponentsLabeling();
// apply the filter
colorImage = filter.Apply(colorImage);
//////////////////////////////////////////////////
SimpleShapeChecker shapeChecker = new SimpleShapeChecker();
Bitmap shapeImage = (Bitmap)(newBlobImg).Clone();
Graphics gg = Graphics.FromImage(shapeImage);
Pen yellowPen = new Pen(Color.Yellow, 2); // circles
Pen redPen = new Pen(Color.Red, 2); // quadrilateral
Pen brownPen = new Pen(Color.Brown, 2); // quadrilateral with known sub-type
Pen greenPen = new Pen(Color.Green, 2); // known triangle
Pen bluePen = new Pen(Color.Blue, 2); // triangle
for (int i = 0, n = blobs.Length; i < n; i++)
{
List <IntPoint> edgePoints = blobCounter.GetBlobsEdgePoints(blobs[i]);
AForge.Point center;
float radius;
// is circle ?
if (shapeChecker.IsCircle(edgePoints, out center, out radius))
{
gg.DrawEllipse(yellowPen,
(float)(center.X - radius), (float)(center.Y - radius),
(float)(radius * 2), (float)(radius * 2));
}
else
{
List <IntPoint> corners;
// is triangle or quadrilateral
if (shapeChecker.IsConvexPolygon(edgePoints, out corners))
{
// get sub-type
PolygonSubType subType = shapeChecker.CheckPolygonSubType(corners);
Pen pen;
if (subType == PolygonSubType.Unknown)
{
pen = (corners.Count == 4) ? redPen : bluePen;
}
else
{
pen = (corners.Count == 4) ? brownPen : greenPen;
}
gg.DrawPolygon(pen, ToPointsArray(corners));
}
}
}
return(new Tuple <Bitmap, Bitmap, Bitmap, Bitmap, List <Bitmap> >(newBlobImg, colorImage, rectImage, shapeImage, blobIMGs));
}
private void ProcessImage(Bitmap bitmap)
{
// reset counters
numberOfCircleShits = 0;
numberOfLineShits = 0;
numberOfSquareShits = 0;
numberOfTriangleShits = 0;
// lock image
BitmapData bitmapData = bitmap.LockBits(
new Rectangle(0, 0, bitmap.Width, bitmap.Height),
ImageLockMode.ReadWrite, bitmap.PixelFormat);
// step 1 - turn background to black
ColorFiltering colorFilter = new ColorFiltering();
colorFilter.Red = new IntRange(0, 64);
colorFilter.Green = new IntRange(0, 64);
colorFilter.Blue = new IntRange(0, 64);
colorFilter.FillOutsideRange = false;
colorFilter.ApplyInPlace(bitmapData);
// step 2 - locating objects
BlobCounter blobCounter = new BlobCounter();
blobCounter.FilterBlobs = true;
blobCounter.MinHeight = 5;
blobCounter.MinWidth = 5;
blobCounter.ProcessImage(bitmapData);
Blob[] blobs = blobCounter.GetObjectsInformation();
bitmap.UnlockBits(bitmapData);
// step 3 - check objects' type and highlight
SimpleShapeChecker shapeChecker = new SimpleShapeChecker();
Graphics g = Graphics.FromImage(bitmap);
for (int i = 0, n = blobs.Length; i < n; i++)
{
List <IntPoint> edgePoints = blobCounter.GetBlobsEdgePoints(blobs[i]);
AForge.Point center;
float radius;
// is circle ?
if (shapeChecker.IsCircle(edgePoints, out center, out radius))
{
numberOfCircleShits++;
}
else
{
List <IntPoint> corners;
// is triangle or quadrilateral
if (shapeChecker.IsConvexPolygon(edgePoints, out corners))
{
// get sub-type
PolygonSubType subType = shapeChecker.CheckPolygonSubType(corners);
Pen pen;
if (subType == PolygonSubType.Square)
{
numberOfSquareShits++;
}
else if (subType == PolygonSubType.EquilateralTriangle)
{
numberOfTriangleShits++;
}
else
{
numberOfLineShits++;
}
}
}
}
g.Dispose();
// put new image to clipboard
Clipboard.SetDataObject(bitmap);
// and to picture box
picture.Image = bitmap;
triangleCount.Text = "" + numberOfTriangleShits;
CircleCount.Text = "" + numberOfCircleShits;
SquareCount.Text = "" + numberOfSquareShits;
RectangleCount.Text = "" + +numberOfLineShits;
}
public Bitmap Detect(Bitmap bitmap)
{
Bitmap grayscaleBitmap = Grayscale.CommonAlgorithms.BT709.Apply(bitmap);
IFilter smoothingFilter = null;
switch (_smoothMode)
{
case "None": smoothingFilter = null; break;
case "Mean": smoothingFilter = new Mean(); break;
case "Median": smoothingFilter = new Median(); break;
case "Conservative": smoothingFilter = new ConservativeSmoothing(); break;
case "Adaptive": smoothingFilter = new AdaptiveSmoothing(); break;
case "Bilateral": smoothingFilter = new BilateralSmoothing(); break;
}
Bitmap smoothBitmap = smoothingFilter != null?smoothingFilter.Apply(grayscaleBitmap) : grayscaleBitmap;
IFilter edgeFilter = null;
switch (_edgeMode)
{
case "Homogenity": edgeFilter = new HomogenityEdgeDetector(); break;
case "Difference": edgeFilter = new DifferenceEdgeDetector(); break;
case "Sobel": edgeFilter = new SobelEdgeDetector(); break;
case "Canny": edgeFilter = new CannyEdgeDetector(); break;
}
Bitmap edgeBitmap = edgeFilter != null?edgeFilter.Apply(smoothBitmap) : smoothBitmap;
IFilter threshholdFilter = new Threshold(_threshold);
Bitmap thresholdBitmap = _threshold == 0 ? edgeBitmap : threshholdFilter.Apply(edgeBitmap);
BlobCounter blobCounter = new BlobCounter();
blobCounter.FilterBlobs = true;
blobCounter.MinHeight = _minHeight;
blobCounter.MinWidth = _minWidth;
blobCounter.ProcessImage(thresholdBitmap);
Blob[] blobs = blobCounter.GetObjectsInformation();
Bitmap outputBitmap = new Bitmap(thresholdBitmap.Width, thresholdBitmap.Height, PixelFormat.Format24bppRgb);
Graphics bitmapGraphics = Graphics.FromImage(outputBitmap);
Bitmap inputBitmap = null;
switch (_drawMode)
{
case "Original": inputBitmap = bitmap; break;
case "Grayscale": inputBitmap = grayscaleBitmap; break;
case "Smooth": inputBitmap = smoothBitmap; break;
case "Edge": inputBitmap = edgeBitmap; break;
case "Threshold": inputBitmap = thresholdBitmap; break;
}
if (inputBitmap != null)
{
bitmapGraphics.DrawImage(inputBitmap, 0, 0);
}
Pen nonConvexPen = new Pen(Color.Red, 2);
Pen nonRectPen = new Pen(Color.Orange, 2);
Pen cardPen = new Pen(Color.Blue, 2);
SimpleShapeChecker shapeChecker = new SimpleShapeChecker();
List <IntPoint> cardPositions = new List <IntPoint>();
for (int i = 0; i < blobs.Length; i++)
{
List <IntPoint> edgePoints = blobCounter.GetBlobsEdgePoints(blobs[i]);
List <IntPoint> corners;
if (shapeChecker.IsConvexPolygon(edgePoints, out corners))
{
PolygonSubType subType = shapeChecker.CheckPolygonSubType(corners);
if ((subType == PolygonSubType.Parallelogram || subType == PolygonSubType.Rectangle) && corners.Count == 4)
{
// Check if its sideways, if so rearrange the corners so it's vertical.
RearrangeCorners(corners);
// Prevent detecting the same card twice by comparing distance against other detected cards.
bool sameCard = false;
foreach (IntPoint point in cardPositions)
{
if (corners[0].DistanceTo(point) < _minDistance)
{
sameCard = true;
break;
}
}
if (sameCard)
{
continue;
}
// Hack to prevent it from detecting smaller sections of the card instead of the whole card.
if (GetArea(corners) < _minArea)
{
continue;
}
cardPositions.Add(corners[0]);
bitmapGraphics.DrawPolygon(cardPen, ToPointsArray(corners));
}
else
{
foreach (IntPoint point in edgePoints.Take(300))
{
bitmapGraphics.DrawEllipse(nonRectPen, point.X, point.Y, 1, 1);
}
}
}
else
{
foreach (IntPoint point in edgePoints.Take(300))
{
bitmapGraphics.DrawEllipse(nonConvexPen, point.X, point.Y, 1, 1);
}
}
}
bitmapGraphics.Dispose();
nonConvexPen.Dispose();
nonRectPen.Dispose();
cardPen.Dispose();
return(outputBitmap);
}
public void ProcessImage(Bitmap bitmap)
{
// lock image
BitmapData bitmapData = bitmap.LockBits(
new Rectangle(0, 0, bitmap.Width, bitmap.Height),
ImageLockMode.ReadWrite, bitmap.PixelFormat);
// step 1 - turn background to black
ColorFiltering colorFilter = new ColorFiltering();
// coin.jpg had these boundaries: red <0,64>, green <0,64>, blue <0,64>
colorFilter.Red = new IntRange(redBounds[0], redBounds[1]);
colorFilter.Green = new IntRange(greenBounds[0], greenBounds[1]);
colorFilter.Blue = new IntRange(blueBounds[0], blueBounds[1]);
colorFilter.FillOutsideRange = false;
colorFilter.ApplyInPlace(bitmapData);
// step 2 - locating objects
BlobCounter blobCounter = new BlobCounter();
blobCounter.FilterBlobs = true;
blobCounter.MinHeight = 10;
blobCounter.MinWidth = 10;
blobCounter.ProcessImage(bitmapData);
Blob[] blobs = blobCounter.GetObjectsInformation();
bitmap.UnlockBits(bitmapData);
// step 3 - check objects' type and highlight
SimpleShapeChecker shapeChecker = new SimpleShapeChecker();
Graphics g = Graphics.FromImage(bitmap);
Pen circlePen = new Pen(Color.Yellow, 2); // circles
Pen strangeShapePen = new Pen(Color.Red, 2); // quadrilateral with unknown sub-type
Pen rectanglePen = new Pen(Color.Brown, 2); // quadrilateral with known sub-type
Pen trianglePen = new Pen(Color.Blue, 2); // triangle
// step 3.5 - prepare file to save obstacles
string path = @"C:\Users\Robert\Documents\Visual Studio 2015\Projects\SMTMotionPlanning\SMTMotionPlanning\obstacleFiles\";
FileStream stream = new FileStream(path + "obstacles.txt", FileMode.Create, FileAccess.Write);
StreamWriter writer = new StreamWriter(stream);
for (int i = 0, n = blobs.Length; i < n; i++)
{
List <IntPoint> edgePoints = blobCounter.GetBlobsEdgePoints(blobs[i]);
edgePoints = eliminateDuplicates(edgePoints);
AForge.Point center;
List <IntPoint> corners;
float radius;
if (shapeChecker.IsCircle(edgePoints, out center, out radius))
{
g.DrawEllipse(circlePen, center.X - radius, center.Y - radius, 2 * radius, 2 * radius);
writer.WriteLine("e " + (int)(center.X - radius) + " " + (int)(center.Y - radius)
+ " " + (int)(radius) + " " + (int)(radius));
}
else if (shapeChecker.IsConvexPolygon(edgePoints, out corners))
{
PolygonSubType polygonType = shapeChecker.CheckPolygonSubType(corners);
Pen pen;
if (polygonType == PolygonSubType.Rectangle || polygonType == PolygonSubType.Square)
{
pen = rectanglePen;
writer.WriteLine("r " + corners[0].X + " " + corners[0].Y + " " +
Math.Abs(corners[0].X - corners[1].X) + " " + Math.Abs(corners[0].Y - corners[2].Y));
g.DrawPolygon(pen, ToPointsArray(corners));
}
else
{
pen = corners.Count == 3 ? trianglePen : strangeShapePen;
g.DrawPolygon(pen, ToPointsArray(corners));
writer.Write("p");
foreach (IntPoint corner in corners)
{
writer.Write(" " + corner.X + " " + corner.Y);
}
writer.WriteLine();
}
}
else
{
corners = orderPolygonCorners(findPolygonCorners(edgePoints), edgePoints);
g.DrawPolygon(strangeShapePen, ToPointsArray(corners));
writer.Write("p");
foreach (IntPoint corner in corners)
{
writer.Write(" " + corner.X + " " + corner.Y);
}
writer.WriteLine();
}
}
circlePen.Dispose();
strangeShapePen.Dispose();
trianglePen.Dispose();
rectanglePen.Dispose();
writer.Close();
stream.Close();
g.Dispose();
rescaleCoordinates();
transformCoordinates();
}
private Bitmap FindShapes(Bitmap img, ref Bitmap MarkedImg)
{
Blob[] Mblobs = new Blob[0];
for (int x = 0; x < 359; x++)
{
System.Threading.Thread.Sleep(300);
// RotateNearestNeighbor filter = new RotateNearestNeighbor(1 , true);
// apply the filter
// img = filter.Apply(img);
RotateBilinear filter = new RotateBilinear(1, true);
//apply the filter
img = filter.Apply(img);
//Find blobs
try
{
BitmapData bitmapData = img.LockBits(new Rectangle(0, 0, img.Width, img.Height), ImageLockMode.ReadWrite, img.PixelFormat);
// step 1 - turn background to black
////ColorFiltering colorFilter = new ColorFiltering();
////colorFilter.Red = new IntRange(0, 64);
////colorFilter.Green = new IntRange(0, 64);
////colorFilter.Blue = new IntRange(0, 64);
////colorFilter.FillOutsideRange = false;
////colorFilter.ApplyInPlace(bitmapData);
// step 2 - locating objects
BlobCounter blobCounter = new BlobCounter();
blobCounter.FilterBlobs = true;
blobCounter.MinHeight = 15;
blobCounter.MinWidth = 15;
blobCounter.MaxHeight = 100;
blobCounter.MaxWidth = 100;
blobCounter.ProcessImage(bitmapData);
Blob[] blobs = blobCounter.GetObjectsInformation();
img.UnlockBits(bitmapData);
if (Mblobs.Length == 0 && blobs.Length > 0)
{
Mblobs = new Blob[blobs.Length];
blobs.CopyTo(Mblobs, 0);
}
else if (Mblobs.Length > 0 && blobs.Length > 0)
{
Blob[] temp = Mblobs;
Mblobs = new Blob[temp.Length + blobs.Length];
temp.CopyTo(Mblobs, 0);
blobs.CopyTo(Mblobs, Mblobs.Length - 1);
}
//find shapes
SimpleShapeChecker shapeChecker = new SimpleShapeChecker();
Graphics g = Graphics.FromImage(MarkedImg);
Pen yellowPen = new Pen(Color.Yellow, 4); // circles
Pen redPen = new Pen(Color.Red, 4); // quadrilateral
Pen brownPen = new Pen(Color.Brown, 4); // quadrilateral with known sub-type
Pen greenPen = new Pen(Color.Green, 4); // known triangle
Pen bluePen = new Pen(Color.Blue, 4); // triangle
//test draw
// g.DrawEllipse(redPen, MarkedImg.Width / 2 + 10, MarkedImg.Height / 2,1, 20);
// g.DrawEllipse(redPen, MarkedImg.Width / 2, MarkedImg.Height / 2+10, 20, 1);
for (int i = 0; i < Mblobs.Length; i++)
{
List <IntPoint> edgePoints = blobCounter.GetBlobsEdgePoints(Mblobs[i]);
AForge.Point center;
float radius;
// is circle ?
if (shapeChecker.IsCircle(edgePoints, out center, out radius))
{
g.DrawEllipse(yellowPen,
(float)(center.X - radius), (float)(center.Y - radius),
(float)(radius * 2), (float)(radius * 2));
}
else
{
List <IntPoint> corners;
// is triangle or quadrilateral
if (shapeChecker.IsConvexPolygon(edgePoints, out corners))
{
// get sub-type
PolygonSubType subType = shapeChecker.CheckPolygonSubType(corners);
Pen pen;
if (subType == PolygonSubType.Unknown)
{
pen = (corners.Count == 4) ? redPen : bluePen;
}
else
{
pen = (corners.Count == 4) ? brownPen : greenPen;
}
g.DrawPolygon(pen, ToPointsArray(corners));
}
}
}
yellowPen.Dispose();
redPen.Dispose();
greenPen.Dispose();
bluePen.Dispose();
brownPen.Dispose();
g.Dispose();
pbCapture.Image = img; //set picturebox image----------------
pbShapes.Image = MarkedImg; //set picturebox image----------------
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
/////////////////////////////////////////////
/////////////////////////////////////////////////////////
return(img);
}
private void ProcessImage(Bitmap bitmap)
{
// lock image
BitmapData bitmapData = bitmap.LockBits(
new Rectangle(0, 0, bitmap.Width, bitmap.Height),
ImageLockMode.ReadWrite, bitmap.PixelFormat);
// step 1 - turn background to black
ColorFiltering colorFilter = new ColorFiltering();
colorFilter.Red = new IntRange(Properties.Settings.Default.camFilterRed1, Properties.Settings.Default.camFilterRed2);
colorFilter.Green = new IntRange(Properties.Settings.Default.camFilterGreen1, Properties.Settings.Default.camFilterGreen2);
colorFilter.Blue = new IntRange(Properties.Settings.Default.camFilterBlue1, Properties.Settings.Default.camFilterBlue2);
colorFilter.FillOutsideRange = Properties.Settings.Default.camFilterOutside;
colorFilter.ApplyInPlace(bitmapData);
// step 2 - locating objects
BlobCounter blobCounter = new BlobCounter();
blobCounter.FilterBlobs = true;
blobCounter.MinHeight = (int)Properties.Settings.Default.camShapeSizeMin * (int)cameraZoom;
blobCounter.MinWidth = (int)Properties.Settings.Default.camShapeSizeMin * (int)cameraZoom;
blobCounter.MaxHeight = (int)Properties.Settings.Default.camShapeSizeMax * (int)cameraZoom;
blobCounter.MaxWidth = (int)Properties.Settings.Default.camShapeSizeMax * (int)cameraZoom;
blobCounter.ProcessImage(bitmapData);
Blob[] blobs = blobCounter.GetObjectsInformation();
bitmap.UnlockBits(bitmapData);
// step 3 - check objects' type and highlight
SimpleShapeChecker shapeChecker = new SimpleShapeChecker();
shapeChecker.MinAcceptableDistortion = (float)Properties.Settings.Default.camShapeDist;
shapeChecker.RelativeDistortionLimit = (float)Properties.Settings.Default.camShapeDistMax;
Graphics g = Graphics.FromImage(bitmap);
Pen yellowPen = new Pen(Color.Yellow, 5); // circles
Pen redPen = new Pen(Color.Red, 10); // circles
Pen greenPen = new Pen(Color.Green, 5); // known triangle
double lowestDistance = xmid;
double distance;
shapeFound = false;
AForge.Point center;
double shapeRadius = 1;
for (int i = 0, n = blobs.Length; i < n; i++)
{
List <IntPoint> edgePoints = blobCounter.GetBlobsEdgePoints(blobs[i]);
System.Single radius;
// is circle ?
// g.DrawPolygon(greenPen, ToPointsArray(edgePoints));
if (Properties.Settings.Default.camShapeCircle && shapeChecker.IsCircle(edgePoints, out center, out radius))
{
shapeFound = true;
distance = center.DistanceTo((AForge.Point)picCenter);
g.DrawEllipse(yellowPen,
(float)(shapeCenter.X - shapeRadius), (float)(shapeCenter.Y - shapeRadius),
(float)(shapeRadius * 2), (float)(shapeRadius * 2));
if (lowestDistance > Math.Abs(distance))
{
lowestDistance = Math.Abs(distance);
shapeCenter = center;
shapeRadius = radius;
}
}
List <IntPoint> corners;
if (Properties.Settings.Default.camShapeRect && shapeChecker.IsQuadrilateral(edgePoints, out corners)) //.IsConvexPolygon
{
IntPoint minxy, maxxy, centxy;
shapeFound = true;
PolygonSubType subType = shapeChecker.CheckPolygonSubType(corners);
g.DrawPolygon(yellowPen, ToPointsArray(corners));
PointsCloud.GetBoundingRectangle(corners, out minxy, out maxxy);
centxy = (minxy + maxxy) / 2;
distance = picCenter.DistanceTo(centxy);// PointsCloud.GetCenterOfGravity(corners));
if (lowestDistance > Math.Abs(distance))
{
lowestDistance = Math.Abs(distance);
shapeCenter = centxy; // PointsCloud.GetCenterOfGravity(corners);
shapeRadius = maxxy.DistanceTo(minxy) / 2; // 50;
}
}
}
if (shapeFound)
{
g.DrawEllipse(redPen,
(float)(shapeCenter.X - shapeRadius * 1.2), (float)(shapeCenter.Y - shapeRadius * 1.2),
(float)(shapeRadius * 2.4), (float)(shapeRadius * 2.4));
}
yellowPen.Dispose();
redPen.Dispose();
greenPen.Dispose();
g.Dispose();
pictureBoxVideo.BackgroundImage = bitmap;
}
public Bitmap ProcesarImagen(Bitmap mapaBits)
{
numeroCirculos = 0;
numeroRectanculos = 0;
numeroCuadrados = 0;
numeroTriangulos = 0;
// bloquear imágen
BitmapData datosMapaBits = mapaBits.LockBits(
new Rectangle(0, 0, mapaBits.Width, mapaBits.Height),
ImageLockMode.ReadWrite, mapaBits.PixelFormat);
// Paso 1 - Fondo a negro
ColorFiltering filtroColor = new ColorFiltering();
filtroColor.Red = new IntRange(0, 64);
filtroColor.Green = new IntRange(0, 64);
filtroColor.Blue = new IntRange(0, 64);
filtroColor.FillOutsideRange = false;
filtroColor.ApplyInPlace(datosMapaBits);
// paso 2 - Localizar objetos
BlobCounter blobCounter = new BlobCounter();
blobCounter.FilterBlobs = true;
blobCounter.MinHeight = 5;
blobCounter.MinWidth = 5;
blobCounter.ProcessImage(datosMapaBits);
Blob[] blobs = blobCounter.GetObjectsInformation();
mapaBits.UnlockBits(datosMapaBits);
// step 3 - check objects' type and highlight
SimpleShapeChecker verificadorFormas = new SimpleShapeChecker();
Graphics g = Graphics.FromImage(mapaBits);
Pen plumaAmarilla = new Pen(Color.Yellow, 5); // Circulo
Pen plumaRoja = new Pen(Color.Red, 5); // Cuadrilatero
Pen plumaCafe = new Pen(Color.Brown, 5); // Cuadrilatero
Pen plumaVerde = new Pen(Color.Green, 5); // Triangulo
Pen plumaAzul = new Pen(Color.Blue, 5); // Triangulo
for (int i = 0, n = blobs.Length; i < n; i++)
{
List <IntPoint> bordes = blobCounter.GetBlobsEdgePoints(blobs[i]);
DoublePoint centro;
double radio;
// Verificar si es círculo
if (verificadorFormas.IsCircle(bordes, out centro, out radio))
{
g.DrawEllipse(plumaAmarilla,
(float)(centro.X - radio), (float)(centro.Y - radio),
(float)(radio * 2), (float)(radio * 2));
numeroCirculos++;
PantallaEstacion.cantidadFiguras[0] = numeroCirculos;
}
else
{
List <IntPoint> esquinas;
// Verificar si es triángulo o cuadrilátero
if (verificadorFormas.IsConvexPolygon(bordes, out esquinas))
{
// obtener subtipo
PolygonSubType subTipo = verificadorFormas.CheckPolygonSubType(esquinas);
Pen pluma;
if (subTipo == PolygonSubType.Unknown)
{
pluma = (esquinas.Count == 4) ? plumaRoja : plumaAzul; //Rectangulo
numeroRectanculos++;
PantallaEstacion.cantidadFiguras[2] = numeroRectanculos;
}
else
{
if (esquinas.Count == 4)
{
pluma = plumaCafe;
numeroCuadrados++;
PantallaEstacion.cantidadFiguras[1] = numeroCuadrados;
}
else
{
pluma = plumaVerde;
numeroTriangulos++;
PantallaEstacion.cantidadFiguras[3] = numeroTriangulos;
}
}
g.DrawPolygon(pluma, ToPointsArray(esquinas));
}
}
}
plumaAmarilla.Dispose();
plumaRoja.Dispose();
plumaVerde.Dispose();
plumaAzul.Dispose();
plumaCafe.Dispose();
g.Dispose();
numeroCuadrados--; //Por el rectángulo del borde de la imágen.
Console.WriteLine("Rectangulos:{0}\nCirculos:{1}\nTriangulos:{2}\nCuadrados{3}", numeroRectanculos, numeroCirculos, numeroTriangulos, numeroCuadrados);
return(mapaBits);
}
private System.Drawing.Rectangle?FindHealthbarRect()
{
var healthArea = CaptureApexWindow();
// locating objects
var blobCounter = new BlobCounter();
blobCounter.CoupledSizeFiltering = true;
blobCounter.FilterBlobs = true;
blobCounter.MinHeight = 6;
blobCounter.MinWidth = 100;
blobCounter.MaxHeight = 15;
//grayscale
var bmp = Grayscale.CommonAlgorithms.BT709.Apply(healthArea);
//Invert invert = new Invert();
//bmp = invert.Apply(bmp);
var filter = new IterativeThreshold(2, 4);
// apply the filter
filter.ApplyInPlace(bmp);
blobCounter.ProcessImage(bmp);
Blob[] blobs = blobCounter.GetObjectsInformation();
// check for rectangles
var shapeChecker = new SimpleShapeChecker();
shapeChecker.AngleError = 5.0f;
shapeChecker.LengthError = 0.5f;
foreach (var blob in blobs)
{
List <AForge.IntPoint> edgePoints = blobCounter.GetBlobsEdgePoints(blob);
List <AForge.IntPoint> cornerPoints;
try
{
// use the shape checker to extract the corner points
if (shapeChecker.IsQuadrilateral(edgePoints, out cornerPoints))
{
PolygonSubType subType = shapeChecker.CheckPolygonSubType(cornerPoints);
if (subType == PolygonSubType.Trapezoid)
{
// here i use the graphics class to draw an overlay, but you
// could also just use the cornerPoints list to calculate your
// x, y, width, height values.
List <System.Drawing.Point> Points = new List <System.Drawing.Point>();
foreach (var point in cornerPoints)
{
Points.Add(new System.Drawing.Point(point.X, point.Y));
}
var boundingBox = GetBoundingBox(Points);
var ratio = (boundingBox.Width / (float)boundingBox.Height);
if (ratio > 21.0f && ratio < 24.0f)
{
return(boundingBox);
}
}
}
}
catch (Exception e) { }
}
return(null);
}
private void kamerica_NewFrame(object sender, NewFrameEventArgs eventArgs)
{
Bitmap slika = (Bitmap)eventArgs.Frame.Clone();
BitmapData bitmapData = slika.LockBits(
new Rectangle(0, 0, slika.Width, slika.Height),
ImageLockMode.ReadWrite, slika.PixelFormat);
// step 1 - turn background to black
ColorFiltering colorFilter = new ColorFiltering();
colorFilter.Red = new IntRange(0, 64);
colorFilter.Green = new IntRange(0, 64);
colorFilter.Blue = new IntRange(0, 64);
colorFilter.FillOutsideRange = false;
colorFilter.ApplyInPlace(bitmapData);
// step 2 - locating objects
BlobCounter blobCounter = new BlobCounter();
blobCounter.FilterBlobs = true;
blobCounter.MinHeight = 5;
blobCounter.MinWidth = 5;
blobCounter.ProcessImage(bitmapData);
Blob[] blobs = blobCounter.GetObjectsInformation();
slika.UnlockBits(bitmapData);
// step 3 - check objects' type and highlight
SimpleShapeChecker shapeChecker = new SimpleShapeChecker();
Graphics g = Graphics.FromImage(slika);
Pen yellowPen = new Pen(Color.Yellow, 2); // circles
Pen redPen = new Pen(Color.Red, 2); // quadrilateral
Pen brownPen = new Pen(Color.Brown, 2); // quadrilateral with known sub-type
Pen greenPen = new Pen(Color.Green, 2); // known triangle
Pen bluePen = new Pen(Color.Blue, 2); // triangle
for (int i = 0, n = blobs.Length; i < n; i++)
{
List <IntPoint> edgePoints = blobCounter.GetBlobsEdgePoints(blobs[i]);
// calculate center point
AForge.Point center;
// calculate radius
float radius;
// is circle ?
if (shapeChecker.IsCircle(edgePoints, out center, out radius))
{
g.DrawEllipse(yellowPen,
(float)(center.X - radius), (float)(center.Y - radius),
(float)(radius * 2), (float)(radius * 2));
}
else
{
List <IntPoint> corners;
// is triangle or quadrilateral
if (shapeChecker.IsConvexPolygon(edgePoints, out corners))
{
// get sub-type
PolygonSubType subType = shapeChecker.CheckPolygonSubType(corners);
Pen pen;
if (subType == PolygonSubType.Unknown)
{
pen = (corners.Count == 4) ? redPen : bluePen;
}
else
{
pen = (corners.Count == 4) ? brownPen : greenPen;
}
g.DrawPolygon(pen, ToPointsArray(corners));
}
}
}
yellowPen.Dispose();
redPen.Dispose();
greenPen.Dispose();
bluePen.Dispose();
brownPen.Dispose();
g.Dispose();
pictureBox1.Image = slika;
}
public void nesnebul(Bitmap image)
{
BlobCounter blobCounter = new BlobCounter();
blobCounter.MinWidth = 5;
blobCounter.MinHeight = 5;
blobCounter.FilterBlobs = true;
blobCounter.ObjectsOrder = ObjectsOrder.Size;
//Grayscale griFiltre = new Grayscale(0.2125, 0.7154, 0.0721);
//Grayscale griFiltre = new Grayscale(0.2, 0.2, 0.2);
//Bitmap griImage = griFiltre.Apply(image);
BitmapData objectsData = image.LockBits(new Rectangle(0, 0, image.Width, image.Height), ImageLockMode.ReadOnly, image.PixelFormat);
// grayscaling
Grayscale grayscaleFilter = new Grayscale(0.2125, 0.7154, 0.0721);
UnmanagedImage grayImage = grayscaleFilter.Apply(new UnmanagedImage(objectsData));
// unlock image
image.UnlockBits(objectsData);
blobCounter.ProcessImage(image);
Rectangle[] rects = blobCounter.GetObjectsRectangles();
Blob[] blobs = blobCounter.GetObjectsInformation();
pictureBox2.Image = image;
if (radio_single_object_track.Checked)
{
//Single Object Tracking Single Tracking--------
foreach (Rectangle recs in rects)
{
if (rects.Length > 0)
{
Rectangle objectRect = rects[0];
//Graphics g = Graphics.FromImage(image);
Graphics g = pictureBox1.CreateGraphics();
Graphics g2 = pictureBox2.CreateGraphics();
using (Pen pen = new Pen(Color.FromArgb(252, 3, 26), 2))
{
g.DrawRectangle(pen, objectRect);
}
//Coordinates of the rectified rectangle are taken.
int objectX = objectRect.X + (objectRect.Width / 2);
int objectY = objectRect.Y + (objectRect.Height / 2);
g.DrawString(objectX.ToString() + "X" + objectY.ToString(), new Font("Arial", 12), Brushes.Red, new System.Drawing.Point(250, 1));
Rectangle rec = new Rectangle(objectX, objectY, 5, 5);
g2.DrawEllipse(Pens.White, rec);
g.Dispose();
if (chek_show_coordi.Checked)
{
this.Invoke((MethodInvoker) delegate
{
richTextBox1.Text = objectRect.Location.ToString() + "\n" + richTextBox1.Text + "\n";;
});
}
}
}
}
if (radio_multi_obj_track.Checked)
{
//Multi tracking Çoklu cisim Takibi-------
for (int i = 0; rects.Length > i; i++)
{
Rectangle objectRect = rects[i];
//Graphics g = Graphics.FromImage(image);
Graphics g = pictureBox1.CreateGraphics();
using (Pen pen = new Pen(Color.FromArgb(252, 3, 26), 2))
{
g.DrawRectangle(pen, objectRect);
g.DrawString((i + 1).ToString(), new Font("Arial", 12), Brushes.Red, objectRect);
}
//Cizdirilen Dikdörtgenin Koordinatlari aliniyor.
int objectX = objectRect.X + (objectRect.Width / 2);
int objectY = objectRect.Y + (objectRect.Height / 2);
g.DrawString(objectX.ToString() + "X" + objectY.ToString(), new Font("Arial", 12), Brushes.Red, new System.Drawing.Point(250, 1));
if (chck_dis_meter.Checked)
{
if (rects.Length > 1)
{
for (int j = 0; j < rects.Length - 1; j++)
{
int ilkx = (rects[j].Right + rects[j].Left) / 2;
int ilky = (rects[j].Top + rects[j].Bottom) / 2;
int ikix = (rects[j + 1].Right + rects[j + 1].Left) / 2;
int ikiy = (rects[j + 1].Top + rects[j + 1].Bottom) / 2;
g = pictureBox1.CreateGraphics();
g.DrawLine(Pens.Red, rects[j].Location, rects[j + 1].Location);
g.DrawLine(Pens.Blue, rects[0].Location, rects[rects.Length - 1].Location);
g.DrawLine(Pens.Red, ilkx, ilky, ikix, ikiy);
}
}
if (rects.Length == 2)
{
Rectangle ilk = rects[0];
Rectangle iki = rects[1];
int ilkX = ilk.X + (ilk.Width / 2);
int ilkY = ilk.Y + (ilk.Height / 2);
int ikiX = iki.X + (iki.Width / 2);
int ikiY = iki.Y + (iki.Height / 2);
//1 pixel (X) = 0.0264583333333334 centimeter [cm]
double formul = Math.Floor((Math.Sqrt((Math.Pow((ilkX - ikiX), 2)) + Math.Pow((ilkY - ikiY), 2))) * 0.0264);
string uzaklikY = "Y-" + Convert.ToString(ilkX - ikiX);
string uzaklikX = "X-" + Convert.ToString(ilkY - ikiY);
string distance = uzaklikX + " " + uzaklikY;
AForge.Imaging.Drawing.Line(objectsData, new IntPoint((int)ilkX, (int)ilkY), new IntPoint((int)ikiX, (int)ikiY), Color.Blue);
this.Invoke((MethodInvoker) delegate
{
richTextBox2.Text = formul.ToString() + " cm\n" + richTextBox2.Text + " cm\n";;
});
if (check_dist_coord.Checked)
{
this.Invoke((MethodInvoker) delegate
{
richTextBox3.Text = distance.ToString() + "\n" + richTextBox3.Text + "\n";;
});
}
}
}
g.Dispose();
// this.Invoke((MethodInvoker)delegate
//{
// richTextBox1.Text = objectRect.Location.ToString() + "\n" + richTextBox1.Text + "\n"; ;
//});
}
}
if (radio_geometric.Checked)
{
SimpleShapeChecker shapeChecker = new SimpleShapeChecker();
Graphics g = pictureBox1.CreateGraphics();
Pen yellowPen = new Pen(Color.Yellow, 2); // circles
Pen redPen = new Pen(Color.Red, 2); // quadrilateral
Pen brownPen = new Pen(Color.Brown, 2); // quadrilateral with known sub-type
Pen greenPen = new Pen(Color.Green, 2); // known triangle
Pen bluePen = new Pen(Color.Blue, 2); // triangle
for (int i = 0, n = blobs.Length; i < n; i++)
{
List <IntPoint> edgePoints = blobCounter.GetBlobsEdgePoints(blobs[i]);
AForge.Point center;
float radius;
// is circle ?
if (shapeChecker.IsCircle(edgePoints, out center, out radius))
{
g.DrawEllipse(yellowPen,
(float)(center.X - radius), (float)(center.Y - radius),
(float)(radius * 2), (float)(radius * 2));
}
else
{
List <IntPoint> corners;
// is triangle or quadrilateral
if (shapeChecker.IsConvexPolygon(edgePoints, out corners))
{
// get sub-type
PolygonSubType subType = shapeChecker.CheckPolygonSubType(corners);
Pen pen;
if (subType == PolygonSubType.Unknown)
{
pen = (corners.Count == 4) ? redPen : bluePen;
}
else
{
pen = (corners.Count == 4) ? brownPen : greenPen;
}
g.DrawPolygon(pen, ToPointsArray(corners));
}
}
}
yellowPen.Dispose();
redPen.Dispose();
greenPen.Dispose();
bluePen.Dispose();
brownPen.Dispose();
g.Dispose();
}
}
public VisionLocationResult LocateObjects()
{
VisionLocationResult ld = new VisionLocationResult(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "", 0, 0, null);
int totalwidth = 0;
int totalheight = 0;
System.Drawing.Point centerpoint = new System.Drawing.Point();
if (currentImage != null)
{
try
{
Bitmap image = new Bitmap(this.currentImage);
totalwidth = image.Width;
totalheight = image.Height;
centerpoint.X = image.Width / 2;
centerpoint.Y = image.Height / 2;
// lock image
BitmapData bmData = image.LockBits(
new Rectangle(0, 0, image.Width, image.Height),
ImageLockMode.ReadWrite, image.PixelFormat);
// turn background to black
ColorFiltering cFilter = new ColorFiltering(red: new IntRange(0, 64), green: new IntRange(0, 64), blue: new IntRange(0, 64));
//cFilter.Red = new IntRange(0, 64);
//cFilter.Green = new IntRange(0, 64);
//cFilter.Blue = new IntRange(0, 64);
cFilter.FillOutsideRange = false;
cFilter.ApplyInPlace(bmData);
// locate objects
BlobCounter bCounter = new BlobCounter();
bCounter.FilterBlobs = true;
bCounter.MinHeight = 10;
bCounter.MinWidth = 10;
bCounter.ProcessImage(bmData);
Blob[] baBlobs = bCounter.GetObjectsInformation();
image.UnlockBits(bmData);
// coloring objects
SimpleShapeChecker shapeChecker = new SimpleShapeChecker();
Graphics g = Graphics.FromImage(image);
Pen bluePen = new Pen(Color.Blue, 2);
Pen whitepen = new Pen(Color.White, 1);
for (int i = 0, n = baBlobs.Length; i < n; i++)
{
List <IntPoint> edgePoints = bCounter.GetBlobsEdgePoints(baBlobs[i]);
Rectangle[] _rects = bCounter.GetObjectsRectangles();
List <IntPoint> corners;
// is triangle or quadrilateral
if (shapeChecker.IsConvexPolygon(edgePoints, out corners))
{
PolygonSubType subType = shapeChecker.CheckPolygonSubType(corners);
Pen pen;
if (subType == PolygonSubType.Rectangle && corners.Count == 4)
{
pen = bluePen;
ld.Loc1X = corners[0].X;
ld.Loc1Y = corners[0].Y;
ld.Loc2X = corners[1].X;
ld.Loc2Y = corners[1].Y;
ld.Loc3X = corners[2].X;
ld.Loc3Y = corners[2].Y;
ld.Loc4X = corners[3].X;
ld.Loc4Y = corners[3].Y;
// find longest side of rectangle
double side1 = corners[0].DistanceTo(corners[1]);
double side2 = corners[1].DistanceTo(corners[2]);
double angleInRadians = 0;
double deltaY = 0;
double deltaX = 0;
int select1 = 0;
int select2 = 1;
if (side1 < side2)
{
select1 = 1;
select2 = 2;
ld.ItemWidth = side2;
ld.ItemHeight = side1;
}
else
{
ld.ItemWidth = side1;
ld.ItemHeight = side2;
}
// find angle of longest side
angleInRadians = Math.Atan2(corners[select1].Y, corners[select1].X) - Math.Atan2(corners[select2].Y, corners[select2].X);
deltaY = Math.Abs(corners[select2].Y - corners[select1].Y);
deltaX = Math.Abs(corners[select2].X - corners[select1].X);
double angleInDegrees = Math.Atan2(deltaY, deltaX) * 180 / Math.PI;
ld.LocAngle = angleInDegrees;
ld.OffsetY = PixelsToMM((GetCenter(corners).X - (totalwidth / 2)) * -1);
ld.OffsetX = PixelsToMM(GetCenter(corners).Y - (totalheight / 2));
ld.LocText = "side1: " + side1.ToString() + Environment.NewLine + "side2: " + side2.ToString() + Environment.NewLine + "Center X: " + GetCenter(corners).X + "Center Y: " + GetCenter(corners).Y
+ Environment.NewLine + "Image Center: " + (totalwidth / 2).ToString() + " x " + (totalheight / 2).ToString();
System.Drawing.Point[] _coordinates = ToPointsArray(corners);
// draw outline and corners
g.DrawPolygon(pen, _coordinates);
// draw center cross lines on image
g.DrawLine(whitepen, new System.Drawing.Point(0, totalheight / 2), new System.Drawing.Point(totalwidth, totalheight / 2));
g.DrawLine(whitepen, new System.Drawing.Point(totalwidth / 2, 0), new System.Drawing.Point(totalwidth / 2, totalheight));
ld.Image = image;
}
}
}
whitepen.Dispose();
bluePen.Dispose();
g.Dispose();
this.currentImage = image;
return(ld);
}
catch (Exception e)
{
MessageBox.Show(e.ToString());
}
}
return(ld);
}
private void ProcessImage(Bitmap bitmap)
{
// lock image
BitmapData bitmapData = bitmap.LockBits(
new Rectangle(0, 0, bitmap.Width, bitmap.Height),
ImageLockMode.ReadWrite, bitmap.PixelFormat);
// step 1 - turn background to black
ColorFiltering colorFilter = new ColorFiltering();
colorFilter.Red = new IntRange(0, 64);
colorFilter.Green = new IntRange(0, 64);
colorFilter.Blue = new IntRange(0, 64);
colorFilter.FillOutsideRange = false;
colorFilter.ApplyInPlace(bitmapData);
// step 2 - locating objects
BlobCounter blobCounter = new BlobCounter();
blobCounter.FilterBlobs = true;
blobCounter.MinHeight = 5;
blobCounter.MinWidth = 5;
blobCounter.ProcessImage(bitmapData);
Blob[] blobs = blobCounter.GetObjectsInformation();
bitmap.UnlockBits(bitmapData);
SimpleShapeChecker shapeChecker = new SimpleShapeChecker();
Graphics g = Graphics.FromImage(bitmap);
Pen brownPen = new Pen(Color.Red, 3);
for (int i = 0, n = blobs.Length; i < n; i++)
{
List <IntPoint> edgePoints = blobCounter.GetBlobsEdgePoints(blobs[i]);
List <IntPoint> corners;
if (shapeChecker.IsConvexPolygon(edgePoints, out corners))
{
PolygonSubType subType = shapeChecker.CheckPolygonSubType(corners);
if (subType == PolygonSubType.Unknown)
{
if (corners.Count == 4)
{
g.DrawPolygon(brownPen, ToPointsArray(corners));
}
}
else
{
if (corners.Count == 4)
{
g.DrawPolygon(brownPen, ToPointsArray(corners));
}
}
}
}
brownPen.Dispose();
g.Dispose();
Clipboard.SetDataObject(bitmap);
pictureBox5.Image = bitmap;
}
static void Main(string[] args)
{
try
{
bool parm_error = false;
if (args.Length == 0)
{
exitWithHelp(); // Exit! No param
}
//set mandatory parm
string in_path = "";
//optional parm
bool cropcenter = false;
bool emulate = false;
bool debug = false;
//optional blob parm
bool blob = false;
string bfilterw = "";
double bfilterw_min = 1;
double bfilterw_max = 1;
string bfilterh = "";
double bfilterh_min = 1;
double bfilterh_max = 1;
bool blob_noff = false;
bool blob_noshape = false;
bool blob_notrotate = false;
string blob_zone = "";
double blob_zonex = 0.5;
double blob_zoney = 0.5;
//parsing parm
for (int p = 0; p < args.Length; p++)
{
//for each parm get type and value
//ex. -parm value -parm2 value2
//get parm
switch (args[p])
{
case "-debug":
debug = true;
break;
case "-f":
in_path = args[p + 1];
break;
case "-cropcenter":
cropcenter = true;
break;
case "-emulate":
emulate = true;
break;
case "-blob":
blob = true;
break;
case "-bfilterw":
bfilterw = args[p + 1];
break;
case "-bfilterh":
bfilterh = args[p + 1];
break;
case "-bnoff":
blob_noff = true;
break;
case "-bzone":
blob_zone = args[p + 1];
break;
case "-bnoshape":
blob_noshape = true;
break;
case "-bnotrotate":
blob_notrotate = true;
break;
default:
if (args[p].StartsWith("-"))
{
exitNotValid(args[p]); // Exit! Invalid param
}
break;
}
}
//check mandatory param
if (in_path.Equals(""))
{
exitWithHelp();
}
//check others param
if (!bfilterw.Equals(""))
{
RegexOptions options = RegexOptions.IgnoreCase | RegexOptions.IgnorePatternWhitespace | RegexOptions.Singleline;
Regex pattern = new Regex(@"((?:[0]\.)?\d+)\-((?:[0]\.)?\d+)", options);
Match match = pattern.Match(bfilterw);
if (match.Success && match.Groups.Count.Equals(3))
{
bfilterw_min = Convert.ToDouble(match.Groups[1].Value.Replace('.', ','));
bfilterw_max = Convert.ToDouble(match.Groups[2].Value.Replace('.', ','));
}
else
{
exitWithError("Opzione '-bfilterw' non valida.", "Specificare i valori minimi e massimi nel seguente formato:", " -bfilterw valoremin-valoremax", " es. -bfilterw 0.30-0.40");
}
}
if (!bfilterh.Equals(""))
{
RegexOptions options = RegexOptions.IgnoreCase | RegexOptions.IgnorePatternWhitespace | RegexOptions.Singleline;
Regex pattern = new Regex(@"((?:[0]\.)?\d+)\-((?:[0]\.)?\d+)", options);
Match match = pattern.Match(bfilterh);
if (match.Success && match.Groups.Count.Equals(3))
{
bfilterh_min = Convert.ToDouble(match.Groups[1].Value.Replace('.', ','));
bfilterh_max = Convert.ToDouble(match.Groups[2].Value.Replace('.', ','));
}
else
{
exitWithError("Opzione '-bfilterh' non valida.", "Specificare i valori minimi e massimi nel seguente formato:", " -bfilterh valoremin-valoremax", " es. -bfilterh 0.30-0.40");
}
}
if (!blob_zone.Equals(""))
{
RegexOptions options = RegexOptions.IgnoreCase | RegexOptions.IgnorePatternWhitespace | RegexOptions.Singleline;
Regex pattern = new Regex(@"((?:[0]\.)?\d+)\,((?:[0]\.)?\d+)", options);
Match match = pattern.Match(blob_zone);
if (match.Success && match.Groups.Count.Equals(3))
{
blob_zonex = Convert.ToDouble(match.Groups[1].Value.Replace('.', ','));
blob_zoney = Convert.ToDouble(match.Groups[2].Value.Replace('.', ','));
}
else
{
exitWithError("Opzione '-bzone' non valida.", "Specificare le coordinate del punto dove cercare il barcode.", " -bzone x,y", " es. -bzone 0.5,0.5");
}
}
//check validity
if (File.Exists(in_path))
{
in_path = Path.GetFullPath(in_path);
}
else
{
exitFileNotFound(in_path);
}
//START
Stopwatch stopWatch = new Stopwatch();
if (emulate)
{
stopWatch.Start();
}
//Convert to image if PDF
string tmp_path = "";
bool tmp_file = false;
if (Path.GetExtension(in_path).Equals(".pdf"))
{
if (debug)
{
Console.WriteLine("Converting pdf...");
}
tmp_path = in_path + ".png";
tmp_file = true;
libImage.ConvertSingleImage(in_path, tmp_path, 300);
}
else
{
tmp_path = in_path;
}
//Load image in memory and del file
System.Drawing.Bitmap tmp_img;
using (System.Drawing.Bitmap img_source = (Bitmap)Bitmap.FromFile(tmp_path))
{
tmp_img = new Bitmap(img_source);
}
if (tmp_file)
{
File.Delete(tmp_path);
}
//Get Info on page
int page_w = tmp_img.Width;
int page_h = tmp_img.Height;
if (debug)
{
Console.WriteLine("File dimension: w=" + page_w + " h=" + page_h);
}
//Crop Center
if (cropcenter)
{
if (debug)
{
Console.WriteLine("Cropping central image...");
}
int crop_x = Convert.ToInt32(((double)tmp_img.Width * 0.3)),
crop_y = Convert.ToInt32(((double)tmp_img.Height * 0.3)),
crop_width = Convert.ToInt32(((double)tmp_img.Width * 0.7) - crop_x),
crop_height = Convert.ToInt32(((double)tmp_img.Height * 0.7) - crop_y);
//source = source.crop(crop_x, crop_y, crop_width, crop_height);
tmp_img = tmp_img.Clone(new Rectangle(crop_x, crop_y, crop_width, crop_height), PixelFormat.Format32bppArgb);
page_w = tmp_img.Width;
page_h = tmp_img.Height;
if (debug)
{
Console.WriteLine("New file dimension: w=" + page_w + " h=" + page_h);
}
}
else
{
tmp_img = AForge.Imaging.Image.Clone(tmp_img, PixelFormat.Format32bppArgb);
}
//Blob Analysis
if (blob)
{
if (debug)
{
Console.WriteLine("Starting Blob Analysis...");
}
// filter GreyScale
Grayscale filterg = new Grayscale(0.2125, 0.7154, 0.0721);
tmp_img = filterg.Apply(tmp_img);
Bitmap tmp_img_wrk = (Bitmap)tmp_img.Clone();
// filter Erosion3x3
BinaryErosion3x3 filter = new BinaryErosion3x3();
tmp_img_wrk = filter.Apply(tmp_img_wrk);
tmp_img_wrk = filter.Apply(tmp_img_wrk);
tmp_img_wrk = filter.Apply(tmp_img_wrk);
tmp_img_wrk = filter.Apply(tmp_img_wrk);
tmp_img_wrk = filter.Apply(tmp_img_wrk);
tmp_img_wrk = filter.Apply(tmp_img_wrk);
//Binarization
SISThreshold filterSIS = new SISThreshold();
tmp_img_wrk = filterSIS.Apply(tmp_img_wrk);
//Inversion
Invert filterI = new Invert();
tmp_img_wrk = filterI.Apply(tmp_img_wrk);
//Blob Analisys
BlobCounterBase bc = new BlobCounter();
bc.FilterBlobs = true;
if (!bfilterw.Equals(""))
{
bc.MinWidth = Convert.ToInt32(page_w * bfilterw_min); // 0.15 in proporzione è il 20%
bc.MaxWidth = Convert.ToInt32(page_w * bfilterw_max); // 0.30
}
if (!bfilterh.Equals(""))
{
bc.MinHeight = Convert.ToInt32(page_h * bfilterh_min); // 0.10 in proporzione è il 15%
bc.MaxHeight = Convert.ToInt32(page_h * bfilterh_max); // 0.20
}
if (debug)
{
Console.WriteLine("Searching blob (Dimension filter: w=" + bc.MinWidth + "-" + (bc.MaxWidth.Equals(int.MaxValue) ? "max" : bc.MaxWidth.ToString()) + " h=" + bc.MinHeight + "-" + (bc.MaxHeight.Equals(int.MaxValue) ? "max": bc.MaxHeight.ToString()) + ")");
}
bc.ObjectsOrder = ObjectsOrder.Size;
bc.ProcessImage(tmp_img_wrk);
Blob[] blobs = bc.GetObjectsInformation();
if (debug)
{
Console.WriteLine("Blobs found: " + blobs.Count());
}
//Esamina Blobs
int i = 1;
foreach (Blob b in blobs)
{
//Escludi blob contenitore (l'immagine stessa)
if (b.Rectangle.Width == page_w)
{
if (debug)
{
Console.WriteLine("Blob " + i + ": skip! (is container)");
}
i++; continue;
}
//check form factor
if (!blob_noff)
{
double formf = (Convert.ToDouble(b.Rectangle.Width) / Convert.ToDouble(b.Rectangle.Height)) * 100;
if (formf < 95)
{
//skip Form Factor Not a square
if (debug)
{
Console.WriteLine("Blob " + i + ": Check 1 - Form factor > 95 Failed! (form factor is not square " + formf + "<95) Blob Skipped!");
Console.WriteLine("You can disable this check with -bnoff parameter.");
}
i++; continue;
}
if (debug)
{
Console.WriteLine("Blob " + i + ": Check 1 - Form factor > 95 " + formf + " Ok!");
}
}
else if (debug)
{
Console.WriteLine("Blob " + i + ": Check 1 - Form factor > 95 skipped by option -bnoff ");
}
//check zone
if (!blob_zone.Equals(""))
{
Rectangle bZone = b.Rectangle;
bZone.Inflate(Convert.ToInt32(b.Rectangle.Width * 0.2), Convert.ToInt32(b.Rectangle.Height * 0.2));
if (!bZone.Contains(Convert.ToInt32(page_w * blob_zonex), Convert.ToInt32(page_h * blob_zoney)))
{
//skip Zone Not in center
if (debug)
{
Console.WriteLine("Blob " + i + ": Check 2 - Zone of blob Failed! (Not in the zone requested! blob zone:" + b.Rectangle.ToString() + " and requested point is at x=" + Convert.ToInt32(page_w * blob_zonex) + ",y=" + Convert.ToInt32(page_h * blob_zonex) + " ) Blob Skipped!");
}
i++; continue;
}
if (debug)
{
Console.WriteLine("Blob " + i + ": Check 2 - Zone of blob contains " + Convert.ToInt32(page_w * blob_zonex) + "," + Convert.ToInt32(page_h * blob_zonex) + "... Ok!");
}
}
//check shape
List <IntPoint> edgePoints = bc.GetBlobsEdgePoints(b);
List <IntPoint> corners;
SimpleShapeChecker shapeChecker = new SimpleShapeChecker();
if (shapeChecker.IsQuadrilateral(edgePoints, out corners))
{
if (!blob_noshape)
{
PolygonSubType subType = shapeChecker.CheckPolygonSubType(corners);
if (!subType.Equals(PolygonSubType.Square))
{
//skip Not a square
if (debug)
{
Console.WriteLine("Blob " + i + ": Check 3 - Shape is Square Failed! (Shape is not Square! " + subType.ToString() + " detected!) Blob Skipped!");
Console.WriteLine("You can disable this check with -bnoshape parameter.");
}
i++; continue;
}
else if (debug)
{
Console.WriteLine("Blob " + i + ": Check 3 - Shape is Square Ok!");
}
}
else if (debug)
{
Console.WriteLine("Blob " + i + ": Check 3 - Shape is Square skipped by option -bnoshape ");
}
}
else
{
shapeChecker.ToString();
//skip Not a quadrilateral
if (debug)
{
Console.WriteLine("Blob " + i + ": Check 3 - Shape is Square... Failed! (not a Quadrilateral! ConvexPolygon:" + shapeChecker.IsConvexPolygon(edgePoints, out corners) + " Triangle:" + shapeChecker.IsTriangle(edgePoints, out corners) + ") Blob Skipped!");
}
i++; continue;
}
//if (debug){ Console.WriteLine("Blob " + i + ": Trying to decode..."); }
//Calculate rotation angle 0 bottom left , 1 top left , 2 top right, 3 bottom right
double dx = corners[2].X - corners[1].X;
double dy = corners[1].Y - corners[2].Y;
double ang = Math.Atan2(dx, dy) * (180 / Math.PI);
if (ang > 90)
{
ang = ang - 90;
}
else
{
ang = 90 - ang;
}
//Extract Blob
Rectangle cropRect = b.Rectangle;
cropRect.Inflate(Convert.ToInt32(b.Rectangle.Width * 0.1), Convert.ToInt32(b.Rectangle.Height * 0.1));
Crop filter_blob = new Crop(cropRect);
Bitmap tmp_img_blob = filter_blob.Apply(tmp_img);
//Rotate
if (!blob_notrotate)
{
RotateBilinear filterRotate = new RotateBilinear(ang, true);
tmp_img_blob = filterRotate.Apply(tmp_img_blob);
//Togli margine esterno (bande nere derivanti dalla rotazione)
Rectangle cropRectInterno = new Rectangle(0, 0, tmp_img_blob.Width, tmp_img_blob.Height);
cropRectInterno.Inflate(-Convert.ToInt32(b.Rectangle.Width * 0.05), -Convert.ToInt32(b.Rectangle.Height * 0.05));
Crop filterCropInterno = new Crop(cropRectInterno);
tmp_img_blob = filterCropInterno.Apply(tmp_img_blob);
if (debug)
{
Console.WriteLine("Blob " + i + ": Rotated and aligned! (angle:" + ang + ")");
}
}
else
{
if (debug)
{
Console.WriteLine("Blob " + i + ": Rotation skipped by option -bnotrotate (angle:" + ang + ")");
}
}
//Applica filtri
var filter1 = new Median();
filter1.ApplyInPlace(tmp_img_blob);
var filter2 = new OtsuThreshold();
filter2.ApplyInPlace(tmp_img_blob);
//Decodifica
if (debug)
{
Console.WriteLine("Blob " + i + ": Extracted! Trying to decode...");
}
BarcodeReader reader = new BarcodeReader {
AutoRotate = true
};
Result result = reader.Decode(tmp_img_blob);
//Output Results
if (result != null)
{
if (emulate)
{
stopWatch.Stop(); Console.WriteLine("Success in " + stopWatch.Elapsed);
}
else
{
Console.WriteLine(result.Text);
}
Environment.Exit(0);
}
else if (debug)
{
Console.WriteLine("Blob " + i + ": Decode failed! (Result null)");
}
}
}
else
{
BarcodeReader reader = new BarcodeReader {
AutoRotate = true
};
Result result = reader.Decode(tmp_img);
//Output Results
if (result != null)
{
if (emulate)
{
stopWatch.Stop(); Console.WriteLine(stopWatch.Elapsed);
}
else
{
Console.WriteLine(result.Text); Environment.Exit(0);
}
}
else if (debug)
{
Console.WriteLine("Decode failed! (Result null)");
}
}
//Exit
if (emulate && stopWatch.IsRunning)
{
stopWatch.Stop(); Console.WriteLine("Failure in " + stopWatch.Elapsed);
}
Environment.Exit(0);
}
catch (Exception ex)
{
Console.WriteLine("Fatal Error: " + ex.Message + "\n" + ex.InnerException);
}
}
/// <summary>
/// 图片处理过程
/// </summary>
/// <param name="bitmap"></param>
private /*Bitmap*/ void ProcessImage(Bitmap bitmap)
{
// lock image
BitmapData bitmapData = bitmap.LockBits(
new Rectangle(0, 0, bitmap.Width, bitmap.Height),
ImageLockMode.ReadWrite, bitmap.PixelFormat);
// step 1 - turn background to black
//ColorFiltering colorFilter = new ColorFiltering();
//colorFilter.Red = new IntRange(0, 64);
//colorFilter.Green = new IntRange(0, 64);
//colorFilter.Blue = new IntRange(0, 64);
//colorFilter.FillOutsideRange = false;
//colorFilter.ApplyInPlace(bitmapData);
// step 2 - locating objects
BlobCounter blobCounter = new BlobCounter();
blobCounter.FilterBlobs = true;
blobCounter.MinHeight = 5;
blobCounter.MinWidth = 5;
blobCounter.ProcessImage(bitmapData);
Blob[] blobs = blobCounter.GetObjectsInformation();
bitmap.UnlockBits(bitmapData);
// step 3 - check objects' type and highlight
SimpleShapeChecker shapeChecker = new SimpleShapeChecker();
//Bitmap test = bitmap.Save("12345.jpg", ImageFormat.Gif);
Graphics g = Graphics.FromImage(CheckPixPicture(bitmap));
//Pen yellowPen = new Pen(Color.Yellow, 2); // circles
Pen redPen = new Pen(Color.Red, 2); // quadrilateral
//Pen brownPen = new Pen(Color.Brown, 2); // quadrilateral with known sub-type
//Pen greenPen = new Pen(Color.Green, 2); // known triangle
//Pen bluePen = new Pen(Color.Blue, 2); // triangle
for (int i = 0, n = blobs.Length; i < n; i++)
{
List <IntPoint> edgePoints = blobCounter.GetBlobsEdgePoints(blobs[i]);
AForge.Point center;
float radius;
// is circle ?
//if (shapeChecker.IsCircle(edgePoints, out center, out radius))
//{
// //g.DrawEllipse(yellowPen,
// // (float)(center.X - radius), (float)(center.Y - radius),
// // (float)(radius * 2), (float)(radius * 2));
//}
//else
//{
List <IntPoint> corners;
// is triangle or quadrilateral
if (shapeChecker.IsConvexPolygon(edgePoints, out corners))
{
// get sub-type
PolygonSubType subType = shapeChecker.CheckPolygonSubType(corners);
Pen pen;
//if (subtype == polygonsubtype.unknown)
//{
// pen = (corners.count == 4) ? redpen : bluepen;
//}
//else
//{
// pen = (corners.count == 4) ? brownpen : greenpen;
//}
g.DrawPolygon(redPen, ToPointsArray(corners));
}
//}
}
//yellowPen.Dispose();
redPen.Dispose();
//greenPen.Dispose();
//bluePen.Dispose();
//brownPen.Dispose();
g.Dispose();
// put new image to clipboard
Clipboard.SetDataObject(bitmap);
//return bitmap;
}
public void findObjects(Bitmap image1, Bitmap image2) //find object(s)
{
BlobCounter blobCounter1 = new BlobCounter();
blobCounter1.MinWidth = 5;
blobCounter1.MinHeight = 5;
blobCounter1.FilterBlobs = true;
blobCounter1.ObjectsOrder = ObjectsOrder.Size;
//----------------------------------
BlobCounter blobCounter2 = new BlobCounter();
blobCounter2.MinWidth = 5;
blobCounter2.MinHeight = 5;
blobCounter2.FilterBlobs = true;
blobCounter2.ObjectsOrder = ObjectsOrder.Size;
BitmapData objectsData1 = image1.LockBits(new Rectangle(0, 0, image1.Width, image1.Height), ImageLockMode.ReadOnly, image1.PixelFormat);
// grayscaling
Grayscale grayscaleFilter1 = new Grayscale(0.2125, 0.7154, 0.0721);
UnmanagedImage grayImage1 = grayscaleFilter1.Apply(new UnmanagedImage(objectsData1));
// unlock image
image1.UnlockBits(objectsData1);
BitmapData objectsData2 = image1.LockBits(new Rectangle(0, 0, image1.Width, image1.Height), ImageLockMode.ReadOnly, image1.PixelFormat);
// grayscaling
Grayscale grayscaleFilter2 = new Grayscale(0.2125, 0.7154, 0.0721);
UnmanagedImage grayImage2 = grayscaleFilter2.Apply(new UnmanagedImage(objectsData2));
// unlock image
image1.UnlockBits(objectsData2);
blobCounter1.ProcessImage(image1);
Rectangle[] rects1 = blobCounter1.GetObjectsRectangles();
Blob[] blobs1 = blobCounter1.GetObjectsInformation();
blobCounter2.ProcessImage(image2);
Rectangle[] rects2 = blobCounter2.GetObjectsRectangles();
Blob[] blobs2 = blobCounter2.GetObjectsInformation();
if (rdiobtnsingleobject.Checked)
{
//Single object Tracking--------
Graphics g = pictureBox1.CreateGraphics();
if (rects1.Length > 0)
{
Rectangle objectRect1 = rects1[0];
using (Pen pen = new Pen(Color.FromArgb(252, 3, 26), 2))
{
g.DrawRectangle(pen, objectRect1);
}
}
if (rects2.Length > 0)
{
Rectangle objectRect2 = rects2[0];
using (Pen pen = new Pen(Color.FromArgb(252, 3, 26), 2))
{
g.DrawRectangle(pen, objectRect2);
}
}
g.Dispose();
}
if (rdiobtnMultipleObjects.Checked)
{
//Multi tracking-------
for (int i = 0; rects1.Length > i; i++)
{
Rectangle objectRect = rects1[i];
Graphics g = pictureBox1.CreateGraphics();
using (Pen pen = new Pen(Color.FromArgb(252, 3, 26), 2))
{
g.DrawRectangle(pen, objectRect);
g.DrawString((i + 1).ToString(), new Font("Arial", 12), Brushes.Red, objectRect);
}
int objectX = objectRect.X + (objectRect.Width / 2);
int objectY = objectRect.Y + (objectRect.Height / 2);
g.Dispose();
}
}
if (rdiobtnGeoShape.Checked)
{
SimpleShapeChecker shapeChecker = new SimpleShapeChecker();
int circles = 0;
int squares = 0;
int triangles = 0;
Graphics g = pictureBox1.CreateGraphics();
Pen yellowPen = new Pen(Color.Yellow, 2); // circles
Pen redPen = new Pen(Color.Red, 2); // quadrilateral
Pen brownPen = new Pen(Color.Brown, 2); // quadrilateral with known sub-type
Pen greenPen = new Pen(Color.Green, 2); // known triangle
Pen bluePen = new Pen(Color.Blue, 2); // triangle
for (int i = 0, n = blobs1.Length; i < n; i++)
{
List <IntPoint> edgePoints = blobCounter1.GetBlobsEdgePoints(blobs1[i]);
AForge.Point center;
float radius;
// is circle ?
if (shapeChecker.IsCircle(edgePoints, out center, out radius))
{
g.DrawEllipse(yellowPen,
(float)(center.X - radius), (float)(center.Y - radius),
(float)(radius * 2), (float)(radius * 2));
circles++;
}
else
{
List <IntPoint> corners;
// is triangle or quadrilateral
if (shapeChecker.IsConvexPolygon(edgePoints, out corners))
{
// get sub-type
PolygonSubType subType = shapeChecker.CheckPolygonSubType(corners);
Pen pen;
if (subType == PolygonSubType.Unknown)
{
if (corners.Count == 4)
{
pen = redPen;
}
else
{
pen = bluePen;
triangles++;
}
}
else
{
if (corners.Count == 4)
{
pen = brownPen;
squares++;
}
else
{
pen = greenPen;
triangles++;
}
}
g.DrawPolygon(pen, ToPointsArray(corners));
}
}
}
g.DrawString("circles: " + circles.ToString() + " squares: " + squares.ToString() + " triangles: " + triangles.ToString(), new Font("Arial", 12), Brushes.Red, new System.Drawing.Point(0, 0));
triangles = 0;
circles = 0;
squares = 0;
yellowPen.Dispose();
redPen.Dispose();
greenPen.Dispose();
bluePen.Dispose();
brownPen.Dispose();
g.Dispose();
}
}
