internal void Process(int hueAfter, byte satAfter, int hueMid, int hueWidth)
{
byte afterSat = 0;
BeforeImage = new Image<Bgr, byte>(BeforeImagePath).Resize(440, 320, Emgu.CV.CvEnum.INTER.CV_INTER_CUBIC, false);
DebugImage = BeforeImage.Convert<Hsv, byte>();
hueMid = FindHuePeak();
int hueStart = (180 + hueMid - (hueWidth / 2)) % 180;
int hueEnd = (180 + hueMid + (hueWidth / 2)) % 180;
for (int i = 0; i < DebugImage.Width; i++)
for (int j = 0; j < DebugImage.Height; j++)
{
int hue = DebugImage.Data[j, i, 0];
int sat = DebugImage.Data[j, i, 1];
int val = DebugImage.Data[j, i, 2];
if ((hueStart < hueEnd) && (hue < hueEnd && hue > hueStart)
|| (hueStart > hueEnd) && (hue < hueEnd || hue > hueStart))
{
if (sat > 30)
{
DebugImage.Data[j, i, 0] =(byte) hueAfter;
//DebugImage.Data[j, i, 1] = satAfter;
}
}
}
AfterImage = DebugImage.Convert<Bgr, byte>();
}
public static Bitmap GetBitmap(Emgu.CV.Image <Bgr, byte> image)
{
Emgu.CV.Image <Gray, byte> gray = image.Convert <Gray, byte>();
int [] k = new int[gray.Width];
for (int i = 0; i < gray.Width; i++)
{
for (int j = 0; j < gray.Height; j++)
{
if (gray[j, i].Intensity <= 200)
{
k[i]++;
}
}
}
Bitmap image2 = new Bitmap(gray.Width, gray.Height);
System.Drawing.Graphics p = System.Drawing.Graphics.FromImage(image2);
p.Clear(Color.Black);
for (int i = 0; i < k.Length - 3; i++)
{
PointF p1 = new PointF(i, k[i]);
PointF p2 = new PointF(i + 1, k[i + 1]);
PointF p3 = new PointF(i + 2, k[i + 2]);
PointF p4 = new PointF(i + 3, k[i + 3]);
p.DrawBezier(new Pen(Brushes.White), p1, p2, p3, p4);
}
return(image2);
}
public Bitmap Findcircles(double cannyThreshold, double circleAccumulatorThreshold)
{
Bitmap bmp;
CircleF[] circles = CvInvoke.HoughCircles(imgEdgesROI, HoughType.Gradient, 1.0, 5, cannyThreshold, circleAccumulatorThreshold);
Emgu.CV.Image <Bgr, byte> imgWithCircles = img.Convert <Bgr, byte>();
foreach (CircleF circle in circles)
{
imgWithCircles.Draw(circle, new Bgr(0, 0, 255), 1, LineType.EightConnected);
}
bmp = imgWithCircles.Bitmap;
return(bmp);
}
public static Image <Gray, Byte> RGBtoGrey(Mat img)
{
Image <Gray, Byte> grayImage = new Image <Gray, byte>(new Size(0, 0));
try
{
Emgu.CV.Image <Bgr, Byte> image = img.ToImage <Bgr, Byte>();
grayImage = image.Convert <Gray, Byte>();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
return(grayImage);
}
private void PrepareSource()
{
// Blit together the processed image onto the starting image
// Or any other combinations of options yet to be thought of
if (m_bShowOver)
{
BitmapSource bmpRaw = BitmapSourceConvert.ToBitmapSource(m_RawImage);
if (m_ResultImage != null)
{
Image <Rgb, byte> raw = m_RawImage.Convert <Rgb, byte>();
raw = raw.Or(m_ResultImage);
DispImage.Source = BitmapSourceConvert.ToBitmapSource(raw);
}
else
{
DispImage.Source = bmpRaw;
}
}
else
{
DispImage.Source = BitmapSourceConvert.ToBitmapSource(m_RawImage);
}
}
static void Main()
{
// download sample photo
WebClient client = new WebClient();
Bitmap image = null;
using (MemoryStream ms = new MemoryStream(client.DownloadData(SAMPLE_IMAGE)))
image = new Bitmap(Image.FromStream(ms));
// convert to Emgu image, convert to grayscale and increase brightness/contrast
Emgu.CV.Image <Bgr, byte> emguImage = new Emgu.CV.Image <Bgr, byte>(image);
var grayScaleImage = emguImage.Convert <Gray, byte>();
grayScaleImage._EqualizeHist();
// load eye classifier data
string eye_classifier_local_xml = @"c:\temp\haarcascade_eye.xml";
client.DownloadFile(@EYE_DETECTION_XML, eye_classifier_local_xml);
CascadeClassifier eyeClassifier = new CascadeClassifier(eye_classifier_local_xml);
// perform detection which will return rectangles of eye positions
var eyes = eyeClassifier.DetectMultiScale(grayScaleImage, 1.1, 4);
// draw those rectangles on original image
foreach (Rectangle eye in eyes)
{
emguImage.Draw(eye, new Bgr(255, 0, 0), 3);
}
// save image and show it
string output_image_location = @"c:\temp\output.png";
emguImage.ToBitmap().Save(output_image_location, ImageFormat.Png);
Process.Start(output_image_location);
}
private void tmrRefrashFrame_Tick(object sender, EventArgs e)
{
try
{
this.tmrRefrashFrame.Stop();
ImageSize();
SendMessage(m_CapHwnd, WM_CAP_GT_FRAME, 0, 0);
SendMessage(m_CapHwnd, WM_CAP_COPY, 0, 0);
OpenClipboard(m_CapHwnd);
IntPtr img = GetClipboardData(2);
CloseClipboard();
//System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(m_Width, m_Height);
//using (System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(bmp))
//{
// g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighSpeed;
// g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.Low;
// g.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.HighSpeed;
// g.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighSpeed;
// g.DrawImage(Image.FromHbitmap(img), 0, 0, m_Width, m_Height);
//}
//ImgWebCam.Image = bmp;
IDataObject tempObj = Clipboard.GetDataObject();
Image tempImg = (System.Drawing.Bitmap)tempObj.GetData(DataFormats.Bitmap);
ImgWebCam.Image = tempImg;
using (Emgu.CV.Image <Bgr, byte> orignalFrame = new Image <Bgr, byte>((Bitmap)ImgWebCam.Image))
{
//convert image into gray
Image <Bgr, byte> image = orignalFrame.Resize(ImgWebCam.Size.Width, ImgWebCam.Size.Height, 0);
Image <Gray, byte> frame = image.Convert <Gray, byte>();
//Perform absdiff only if it's the second frame else store it in the global first frame
if (this.previousFrame != null)
{
//convert the previous frame to gray
Image <Gray, byte> previousFrameGray = previousFrame.Convert <Gray, byte>();
previousFrameGray = previousFrameGray.Resize(ImgWebCam.Size.Width, ImgWebCam.Size.Height, 0);
Image <Gray, byte> BgDifference = new Image <Gray, byte>(ImgWebCam.Width, ImgWebCam.Height);
CvInvoke.AbsDiff(previousFrameGray, frame, BgDifference);
//assign the current frame to previousFrame
this.previousFrame = new Image <Bgr, byte>((Bitmap)ImgWebCam.Image);
ImgWebCam.Image = BgDifference.ToBitmap();
//ImgWebCam.Image = image.ToBitmap();
}
else
{
this.previousFrame = new Image <Bgr, byte>((Bitmap)ImgWebCam.Image);
this.previousFrame = this.previousFrame.Resize(ImgWebCam.Size.Width, ImgWebCam.Size.Height, 0);
}
}
ImgWebCam.Refresh();
Application.DoEvents();
if (!bStopped)
{
this.tmrRefrashFrame.Start();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private Dictionary <int, KeyValuePair <decimal, decimal> > _FindContoursAndCalculate(Emgu.CV.Image <Bgr, Byte> colorImage, out Emgu.CV.Image <Gray, Byte> processedImage)
{
int circles = 0;
VectorOfVectorOfPoint contours = new VectorOfVectorOfPoint();
Mat hierarchy = new Mat();
/// Detect edges using Threshold
Image <Gray, Byte> Img_Source_Gray = colorImage.Convert <Gray, Byte>();
Img_Source_Gray = Img_Source_Gray.SmoothBlur(3, 3);
Image <Gray, Byte> threshold_output = Img_Source_Gray.ThresholdBinary(new Gray(90), new Gray(255));
/// Find contours
CvInvoke.FindContours(threshold_output, contours, hierarchy, RetrType.Tree, ChainApproxMethod.ChainApproxSimple);
/// Approximate contours to polygons + get bounding rects and circles
VectorOfVectorOfPoint contours_poly = new VectorOfVectorOfPoint(contours.Size);
Point[][] con = contours.ToArrayOfArray();
PointF[][] conf = new PointF[con.GetLength(0)][];
for (int i = 0; i < con.GetLength(0); i++)
{
conf[i] = new PointF[con[i].Length];
for (int j = 0; j < con[i].Length; j++)
{
conf[i][j] = new PointF(con[i][j].X, con[i][j].Y);
}
}
for (int i = 0; i < contours.Size; i++)
{
double a = CvInvoke.ContourArea(contours[i], false);
if (a > 30000)
{
CvInvoke.ApproxPolyDP(contours[i], contours_poly[circles], 3, true);
circles++;
}
}
/// Draw polygonal contour + bonding rects + circles
Image <Gray, byte> filteredImage = new Image <Gray, byte>(Img_Source_Gray.Width, Img_Source_Gray.Height);
for (int i = 0; i < circles; i++)
{
CvInvoke.DrawContours(filteredImage, contours_poly, i, new MCvScalar(255, 255, 255), -1);
}
filteredImage = colorImage.Convert <Gray, Byte>().And(filteredImage);
Image <Gray, Byte> whiteAreas = new Image <Gray, byte>(filteredImage.Width, filteredImage.Height);
List <DetectedCircle> detectedCircles = new List <DetectedCircle>();
for (int i = 0; i < circles; i++)
{
PointF[] pointfs = Array.ConvertAll(contours_poly[i].ToArray(), input => new PointF(input.X, input.Y));
Rectangle boundingRect = PointCollection.BoundingRectangle(pointfs);
DetectedCircle detectedCircle = new DetectedCircle()
{
contour = contours_poly[i], boundingRect = boundingRect, center = new Point(boundingRect.X + (boundingRect.Width / 2), boundingRect.Y + (boundingRect.Height / 2))
};
detectedCircles.Add(detectedCircle);
filteredImage.ROI = boundingRect;
int threshold = _ComputeThreshold(filteredImage, detectedCircle);
filteredImage.ROI = Rectangle.Empty;
Image <Gray, Byte> mask = new Image <Gray, byte>(filteredImage.Width, filteredImage.Height);
mask.Draw(boundingRect, new Gray(255), -1);
mask = filteredImage.And(mask);
/* Extract white are solely based on the Blue channel */
mask = mask.ThresholdBinary(new Gray(threshold), new Gray(255));
whiteAreas = whiteAreas.Or(mask.Convert <Gray, Byte>().ThresholdBinary(new Gray(10), new Gray(255)));
CvInvoke.DrawContours(whiteAreas, contours_poly, i, new MCvScalar(255, 255, 255), 3);
}
detectedCircles = detectedCircles.OrderBy(c => c.center.X).ToList();
processedImage = whiteAreas;
return(_ComputeMetrics(whiteAreas, detectedCircles, circles));
}
// ////////////////////////////////////////////////////////////////////////////////////////////////////
private void button3_Click(object sender, EventArgs e)
{
try
{
OpenFileDialog of = new OpenFileDialog();
of.Filter = "Image File(*.bmp,*.jpg,*.png,*.gif,*.tif)|*.bmp;*.jpg;*.png;*.gif;*.tif";
DialogResult DR = of.ShowDialog();
if (DR == DialogResult.Cancel)
{
return;
}
Emgu.CV.Image <Bgr, Byte> Origin_IMG = new Emgu.CV.Image <Bgr, byte>(of.FileName);
int wid = Origin_IMG.Width, hei = Origin_IMG.Height;
Emgu.CV.Image <Gray, Byte> Gray_IMG = Origin_IMG.Convert <Gray, Byte>();
Emgu.CV.Image <Gray, Byte> BW_IMG = new Emgu.CV.Image <Gray, Byte>(wid, hei);
CvInvoke.cvThreshold(Gray_IMG, BW_IMG, 0, 255, Emgu.CV.CvEnum.THRESH.CV_THRESH_OTSU);
pictureBox1.Image = Origin_IMG.ToBitmap();
bool flag = false;
int start_pos = 0, end_pos = 0;
//======================== set the start and end point by whether [0,17] point is black or white color===============================
if (BW_IMG.Data[0, 20, 0] == 0)
{
flag = true;
start_pos = 0; end_pos = hei - 1;
}
else
{
start_pos = hei - 1; end_pos = 0;
}
//============ find the start point for boundary line seaching in 152 colume===========================================
int[] bound_pos = new int[wid];
int[] s_point = new int[wid];
int m_s_value = -1;
if (flag)
{
for (int i = start_pos; i <= end_pos; i++)
{
if (m_s_value == -1)
{
m_s_value = BW_IMG.Data[i, 152, 0];
}
else if (m_s_value != BW_IMG.Data[i, 152, 0])
{
s_point[152] = i;
break;
}
}
}
else
{
for (int i = start_pos; i >= end_pos; i--)
{
if (m_s_value == -1)
{
m_s_value = BW_IMG.Data[i, 152, 0];
}
else if (m_s_value != BW_IMG.Data[i, 152, 0])
{
s_point[152] = i;
break;
}
}
}
for (int j = 0; j < wid; j++)
{
if (s_point[j] < 0)
{
s_point[j] = 0;
}
else if (s_point[j] >= hei)
{
s_point[j] = hei - 1;
}
}
//******************* search the boundary line from start point ***********************************
for (int j = 151; j >= 17; j--)
{
int top_bound_p = -1, end_pp = -1;
if (s_point[j + 1] - 1 <= 0)
{
end_pp = 0;
}
else
{
end_pp = s_point[j + 1] - 2;
}
for (int i = s_point[j + 1]; i >= end_pp; i--)
{
if (i - 1 <= 0 || i >= hei)
{
break;
}
if (BW_IMG.Data[i, j, 0] == 255 && BW_IMG.Data[i - 1, j, 0] == 0)
{
top_bound_p = i;
break;
}
else if (BW_IMG.Data[i, j, 0] == 0 && BW_IMG.Data[i - 1, j, 0] == 255)
{
top_bound_p = i - 1;
break;
}
}
//=========================================================================
int bottom_bound_p = -1;
if (s_point[j + 1] + 1 >= hei)
{
end_pp = hei;
}
else
{
end_pp = s_point[j + 1] + 2;
}
for (int i = s_point[j + 1]; i <= end_pp; i++)
{
if (i + 1 >= hei || i < 0)
{
break;
}
if (BW_IMG.Data[i, j, 0] == 255 && BW_IMG.Data[i + 1, j, 0] == 0)
{
bottom_bound_p = i; break;
}
else if (BW_IMG.Data[i, j, 0] == 0 && BW_IMG.Data[i + 1, j, 0] == 255)
{
bottom_bound_p = i + 1;
break;
}
}
//==========================================================================
if (top_bound_p != -1 && top_bound_p == bottom_bound_p)
{
s_point[j] = top_bound_p;
continue;
}
if (top_bound_p == -1 && top_bound_p == bottom_bound_p)
{
s_point[j] = s_point[j + 1];
continue;
}
if (bottom_bound_p - s_point[j + 1] == 1 && bottom_bound_p - top_bound_p == 2 && !flag)
{
s_point[j] = bottom_bound_p;
continue;
}
else if (bottom_bound_p - s_point[j + 1] == 1 && bottom_bound_p - top_bound_p == 2 && flag)
{
s_point[j] = top_bound_p;
continue;
}
if (s_point[j + 1] - top_bound_p == bottom_bound_p - s_point[j + 1] && !flag)
{
s_point[j] = bottom_bound_p;
continue;
}
else if (s_point[j + 1] - top_bound_p == bottom_bound_p - s_point[j + 1] && flag)
{
s_point[j] = top_bound_p;
continue;
}
//===============================================================================
if (top_bound_p == -1 && bottom_bound_p != -1)
{
s_point[j] = bottom_bound_p;
}
else if (top_bound_p != -1 && bottom_bound_p == -1)
{
s_point[j] = top_bound_p;
}
else if (s_point[j + 1] - top_bound_p >= bottom_bound_p - s_point[j + 1])
{
s_point[j] = bottom_bound_p;
}
else if (s_point[j + 1] - top_bound_p < bottom_bound_p - s_point[j + 1])
{
s_point[j] = top_bound_p;
}
}
//************************************************************************
Emgu.CV.Image <Gray, Byte> plate_IMG = new Emgu.CV.Image <Gray, Byte>(wid, hei);
Emgu.CV.Image <Gray, Byte> Letter_IMG = new Emgu.CV.Image <Gray, Byte>(wid, hei);
for (int j = 17; j <= 152; j++)
{
int top_p = 0;
int botoom_p = 0;
if (s_point[j] > start_pos)
{
top_p = start_pos;
botoom_p = s_point[j];
}
else
{
top_p = s_point[j] + 1;
botoom_p = start_pos + 1;
}
for (int i = top_p; i < botoom_p; i++)
{
plate_IMG.Data[i, j, 0] = 255;
}
}
//=========================================================================
for (int i = 0; i < hei; i++)
{
for (int j = 17; j <= 152; j++)
{
if (plate_IMG.Data[i, j, 0] == 0 && BW_IMG.Data[i, j, 0] == 0 || plate_IMG.Data[i, j, 0] == 255 && BW_IMG.Data[i, j, 0] == 255)
{
Letter_IMG.Data[i, j, 0] = 255;
}
}
for (int j = 0; j <= 17; j++)
{
if (BW_IMG.Data[i, j, 0] == 255)
{
Letter_IMG.Data[i, j, 0] = 255;
}
if (BW_IMG.Data[i, 16, 0] == 0)
{
Letter_IMG.Data[i, 17, 0] = 0;
}
}
}
letterA.Image = Letter_IMG.ToBitmap();
//*******************************************************************************
Letter_splite(Letter_IMG);
//pictureBox1.Image = Letter_IMG.ToBitmap();
letterA.Image = BW_IMG.ToBitmap();
Application.DoEvents();
Emgu.CV.Image <Gray, Byte> Letter_IMG1 = new Emgu.CV.Image <Gray, Byte>(wid, hei);
if (Letter_imgs.Count <= 3)
{
int[] top_bound = new int[BW_IMG.Width];
int[] bottom_bound = new int[BW_IMG.Width];
int[] equal_bound = new int[BW_IMG.Width];
if (flag)
{
top_bound = get_top_bound(BW_IMG, start_pos, end_pos);
bottom_bound = get_bottom_bound(BW_IMG, start_pos, end_pos);
}
else
{
top_bound = get_top_bound1(BW_IMG, end_pos, start_pos);
bottom_bound = get_bottom_bound1(BW_IMG, end_pos, start_pos);
}
//------------------------------------------------------------------
int origin_p = 152;
double h = 0;
int s_p = 152;
for (int j = 152; j >= 17; j--)
{
if (j == 18)
{
if (Math.Abs(equal_bound[s_p] - top_bound[17]) >= Math.Abs(equal_bound[s_p] - bottom_bound[17]))
{
top_bound[17] = bottom_bound[17];
}
else
{
bottom_bound[17] = top_bound[17];
}
}
if (j == 17)
{
int middle_point = 17;
if (!flag)
{
int n = 0;
for (int k1 = 17; k1 < s_p; k1++)
{
if (top_bound[k1] >= equal_bound[17] && top_bound[k1] <= equal_bound[s_p])
{
n++;
}
}
if (n == s_p - 17)
{
middle_point = Convert.ToInt16((s_p + 17) / 2);
h = Convert.ToDouble(equal_bound[s_p] - top_bound[middle_point]) / (s_p - middle_point);
origin_p = middle_point;
for (int k = s_p - middle_point; k >= 0; k--)
{
equal_bound[s_p - k] = Convert.ToInt16(equal_bound[s_p] - h * k);
}
s_p = middle_point;
}
for (int k1 = 0; k1 < hei; k1++)
{
if (BW_IMG.Data[k1, 17, 0] == 255)
{
top_bound[17] = k1;
}
else if (BW_IMG.Data[k1, 17, 0] == 0 && BW_IMG.Data[k1, 16, 0] == 255)
{
top_bound[17] = k1;
}
else if (BW_IMG.Data[k1, 17, 0] == 0 && BW_IMG.Data[k1, 16, 0] == 0 && (BW_IMG.Data[k1 + 1, 16, 0] == 255 || BW_IMG.Data[k1 + 1, 17, 0] == 255))
{
top_bound[17] = k1;
}
else
{
break;
}
}
}
else
{
for (int k1 = hei - 2; k1 >= 0; k1--)
{
if (BW_IMG.Data[k1, 17, 0] == 255)
{
top_bound[17] = k1;
}
else if (BW_IMG.Data[k1, 17, 0] == 0 && BW_IMG.Data[k1, 16, 0] == 255)
{
top_bound[17] = k1;
}
else if (BW_IMG.Data[k1, 17, 0] == 0 && BW_IMG.Data[k1, 16, 0] == 0 && (BW_IMG.Data[k1 - 1, 16, 0] == 255 || BW_IMG.Data[k1 - 1, 17, 0] == 255))
{
top_bound[17] = k1;
}
else
{
break;
}
}
}
h = Convert.ToDouble(equal_bound[s_p] - top_bound[j]) / (s_p - j);
origin_p = j;
for (int k = s_p - j; k >= 0; k--)
{
equal_bound[s_p - k] = Convert.ToInt16(equal_bound[s_p] - h * k);
}
continue;
}
//******************************************************************************************
if (top_bound[j] == bottom_bound[j] && origin_p - j <= 1)
{
if (Math.Abs(top_bound[s_p] - top_bound[j]) > 5)
{
if (Math.Abs(equal_bound[s_p] - top_bound[j]) >= Math.Abs(equal_bound[s_p] - bottom_bound[j]))
{
equal_bound[j] = bottom_bound[j];
}
else
{
equal_bound[j] = top_bound[j];
}
continue;
}
equal_bound[j] = top_bound[j];
s_p = j; origin_p = j;
}
else if (top_bound[j] == bottom_bound[j] && origin_p - j > 15)
{
if (Math.Abs(s_p - j) <= 17)
{
continue;
}
h = Convert.ToDouble(equal_bound[s_p] - top_bound[j]) / (s_p - j);
for (int k = s_p - j; k >= 0; k--)
{
equal_bound[s_p - k] = Convert.ToInt16(equal_bound[s_p] - h * k);
}
s_p = j; origin_p = j;
}
}
//--------------------------------------------------------------------------------------------------
Emgu.CV.Image <Gray, Byte> plate_IMG1 = new Emgu.CV.Image <Gray, Byte>(wid, hei);
Letter_IMG1 = new Emgu.CV.Image <Gray, Byte>(wid, hei);
for (int i = 17; i <= 152; i++)
{
if (flag)
{
for (int j = 0; j <= equal_bound[i] - 1; j++)
{
plate_IMG1.Data[j, i, 0] = 255;
}
}
else
{
for (int j = equal_bound[i] + 1; j < hei; j++)
{
plate_IMG1.Data[j, i, 0] = 255;
}
}
}
//=========================================================================
for (int i = 0; i < hei; i++)
{
for (int j = 17; j <= 152; j++)
{
if (plate_IMG1.Data[i, j, 0] == 0 && BW_IMG.Data[i, j, 0] == 0 || plate_IMG1.Data[i, j, 0] == 255 && BW_IMG.Data[i, j, 0] == 255)
{
Letter_IMG1.Data[i, j, 0] = 255;
}
}
for (int j = 0; j <= 17; j++)
{
if (BW_IMG.Data[i, j, 0] == 255)
{
Letter_IMG1.Data[i, j, 0] = 255;
}
if (BW_IMG.Data[i, 16, 0] == 0)
{
Letter_IMG1.Data[i, 17, 0] = 0;
}
}
}
Letter_splite(Letter_IMG1);
}
//******************************** to split the letter into 2 letters*******************************************************
if (Letter_imgs.Count == 4)
{
int tmp_wid = 0, img_index = 0;
for (int i = 0; i < Letter_imgs.Count; i++)
{
if (Letter_imgs[i].Width > tmp_wid)
{
tmp_wid = Letter_imgs[i].Width;
img_index = i;
}
}
Image <Gray, Byte> split_img1;
Image <Gray, Byte> split_img2;
if (tmp_wid < 30)
{
if (img_index == 0 && Letter_imgs[1].Width == Letter_imgs[0].Width)
{
img_index = 1;
}
split_img1 = Letter_imgs[img_index].Copy(new Rectangle(0, 0, Convert.ToInt32(tmp_wid / 2 + 5), Letter_imgs[img_index].Height));
split_img2 = Letter_imgs[img_index].Copy(new Rectangle(Convert.ToInt32(tmp_wid / 2) + 5, 0, tmp_wid - Convert.ToInt32(tmp_wid / 2) - 5, Letter_imgs[img_index].Height));
}
else
{
split_img1 = Letter_imgs[img_index].Copy(new Rectangle(0, 0, Convert.ToInt32(tmp_wid / 2) + 1, Letter_imgs[img_index].Height));
split_img2 = Letter_imgs[img_index].Copy(new Rectangle(Convert.ToInt32(tmp_wid / 2) + 2, 0, tmp_wid - Convert.ToInt32(tmp_wid / 2) - 2, Letter_imgs[img_index].Height));
}
int[] v_hist = get_VertHist1(split_img1, 0, split_img1.Width, split_img1.Height);
int[] h_hist = get_horiHist1(split_img1);
split_img1 = split_img1.Copy(new Rectangle(h_hist[0], v_hist[0], h_hist[1] - h_hist[0], v_hist[1] - v_hist[0]));
v_hist = get_VertHist1(split_img2, 0, split_img2.Width, split_img2.Height);
h_hist = get_horiHist1(split_img2);
split_img2 = split_img2.Copy(new Rectangle(h_hist[0], v_hist[0], h_hist[1] - h_hist[0], v_hist[1] - v_hist[0]));
Letter_imgs[img_index] = bwareaopen(split_img1, 5);
Letter_imgs.Insert(img_index + 1, bwareaopen(split_img2, 5));
for (int i = 0; i < Letter_imgs[img_index].Height; i++)
{
Letter_IMG1.Data[i, Convert.ToInt32(tmp_wid / 2), 0] = 0;
}
}
//******************************** to display the letters*******************************************************
if (Letter_imgs.Count >= 5)
{
letterA.Image = Letter_imgs[0].ToBitmap();
letterB.Image = Letter_imgs[1].ToBitmap();
letterC.Image = Letter_imgs[2].ToBitmap();
letterD.Image = Letter_imgs[3].ToBitmap();
letterE.Image = Letter_imgs[4].ToBitmap();
}
else
{
letterA.Image = null;
letterB.Image = null;
letterC.Image = null;
letterD.Image = null;
letterE.Image = null;
textBox1.Text = "No recognition";
return;
}
//*************** to detect the letter by using machine learning *******************************************************************************
Matrix <float> testPattern;
testPattern = new Matrix <float>(1, 400);
string detectedLetters = "";
for (int i = 0; i < Letter_imgs.Count; i++)
{
Image <Gray, Byte> resize_IMG = Letter_imgs[i].Resize(20, 20, Emgu.CV.CvEnum.INTER.CV_INTER_LINEAR);
int pixel_count = -1;
for (int i1 = 0; i1 < resize_IMG.Width; i1++)
{
for (int j1 = 0; j1 < resize_IMG.Height; j1++)
{
pixel_count++;
testPattern[0, pixel_count] = Convert.ToSingle(resize_IMG.Data[i1, j1, 0]);
}
}
//======================== to make the k-nearst model and train it by train data========================================================
int K = response.Rows;
Matrix <float> neighborResponses = new Matrix <float>(testPattern.Rows, K);
Matrix <float> results = new Matrix <float>(testPattern.Rows, 1);
Emgu.CV.ML.KNearest model = new Emgu.CV.ML.KNearest();
model.Train(LettersPattern, response, null, false, K, false);
float response1 = model.FindNearest(testPattern, K, results, null, neighborResponses, null);
detectedLetters += res_array[Convert.ToInt32(neighborResponses[0, 0])];
}
textBox1.Text = detectedLetters;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message.ToString());
}
}
public void findChips()
{
try
{
//CudaImage<Bgr,Byte> gpuImg = new CudaImage<Bgr,Byte>(sourceImage);
//VectorOfGpuMat outVec = new VectorOfGpuMat();
//CudaGaussianFilter gaussFilter = new CudaGaussianFilter(DepthType.new Size(11,11),0.8,0.8,BorderType.Constant,BorderType.Constant);
//gaussFilter.Apply(gpuImg, gpuImg, null);
diagnosticImage = sourceImage.Clone();
Rectangle[] rects = cc.DetectMultiScale(sourceImage.Convert <Gray, Byte>(), 1.1, 4, new System.Drawing.Size(10, 10));
//cc.ScaleFactor = 1.1;
//cc.MinNeighbors = 4;
//cc.MinObjectSize = new Size(10, 10);
//cc.DetectMultiScale(gpuImg.Convert<Gray, Byte>(), outVec);
//Rectangle[] rects = cc.Convert(outVec);
foreach (Rectangle rect in rects)
{
StackRegistry.stackFound(rect);
}
List <Stack> processedStacks = StackRegistry.processFrame(sourceImage);
if (foundChipColor != null)
{
if (processedStacks.Count == 1)
{
ColorFinder.trainChip(sourceImage, processedStacks[0].samplePoints, (Stack.Color)foundChipColor);
}
}
foreach (Stack stack in processedStacks)
{
Bgr col = new Bgr(Color.Magenta);
switch (stack.color)
{
case Stack.Color.Black:
col = new Bgr(Color.Black);
break;
case Stack.Color.Blue:
col = new Bgr(Color.Blue);
break;
case Stack.Color.Red:
col = new Bgr(Color.Red);
break;
case Stack.Color.Green:
col = new Bgr(Color.Green);
break;
case Stack.Color.White:
col = new Bgr(Color.White);
break;
}
diagnosticImage.Draw(stack.location, col, 2);
foreach (Point sample in stack.samplePoints)
{
diagnosticImage.Draw(new Rectangle(sample, new Size(1, 1)), new Bgr(System.Drawing.Color.Yellow), 2);
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.StackTrace.ToString());
}
}
private void imageBox1_Click(object sender, EventArgs e)
{
if (im1.Image == null)
{
return;
}
//--Get Mouseposition in Pixelcoordinates--------
var mouseEventArgs = e as MouseEventArgs;
int imWidth, imHeight, boxWidth, boxHeight;
imWidth = im1.Image.Size.Width;
imHeight = im1.Image.Size.Height;
boxWidth = im1.Size.Width;
boxHeight = im1.Size.Height;
Point mouse = TranslateZoomMousePosition(mouseEventArgs.X, mouseEventArgs.Y, imWidth, imHeight, boxWidth, boxHeight);
int x = mouse.X; //(int)(mouseEventArgs.X / im1.ZoomScale);
int y = mouse.Y; //(int)(mouseEventArgs.Y / im1.ZoomScale);
Emgu.CV.Image <Hsv, byte> original = LoadedImages[listBox1.SelectedItem.ToString()];
Hsv pcolor = original[y, x];
if (mouseEventArgs != null)
{
label1.Text = "@(" + x + "; " + y + "): " + pcolor.ToString();
}
Emgu.CV.Image <Gray, byte> threshedimage;
threshedimage = thresholdHSVtoGray(original, pcolor);
imageBox2.Image = threshedimage;
shapes.Clear();
Emgu.CV.Image <Hsv, byte> refImg = (Emgu.CV.Image <Hsv, byte>)im1.Image;
Emgu.CV.Image <Gray, byte> inImg = (Emgu.CV.Image <Gray, byte>)im2.Image;
Emgu.CV.Image <Hsv, byte> outImg = inImg.Convert <Hsv, byte>();
shapes.AddRange(findShapesinGrayImg(inImg, refImg, listBox1.SelectedIndex));
//--Find closest shape---------
ShapeColorObject temp = null;
int dist = 0;
foreach (ShapeColorObject shp in shapes)
{
int d = (shp.pos.X - mouse.X) * (shp.pos.X - mouse.X) + (shp.pos.Y - mouse.Y) * (shp.pos.Y - mouse.Y);
if (ShapeColorObject.compareHues(shp.getColor().Hue, pcolor.Hue, dHue))
{
if (temp == null || d < dist)
{
temp = shp;
temp.imIndex = listBox1.SelectedIndex;
dist = d;
}
}
}
if (temp != null && !chosenshapes.Contains(temp))
{
temp.objIndex = chosenshapes.Count;
chosenshapes.Add(temp);
//trackedshapes.Add(temp);
}
foreach (ShapeColorObject shp in chosenshapes)
{
shp.drawOnImg(ref outImg);
im2.Image = outImg;
im2.Update();
}
label2.Text = "";
foreach (ShapeColorObject shape in chosenshapes)
{
label2.Text += shape.toString() + "\n";
}
}