private void ApplyFilters(ref Bitmap bitmap)
{
if (IsLuminance.IsChecked != null && IsLuminance.IsChecked.Value)
{
bitmap = _grayscale.Apply(bitmap);
}
if (IsRemovedNoises.IsChecked != null && IsRemovedNoises.IsChecked.Value)
{
_noiseRemoval.ApplyInPlace(bitmap);
}
if (IsResized.IsChecked == null || !IsResized.IsChecked.Value)
{
return;
}
try
{
_resizer.NewWidth = int.Parse(NewWidthTextBox.Text);
}
catch
{
_resizer.NewWidth = DefaultResizeWidth;
}
_resizer.NewHeight = (int)(Convert.ToSingle(bitmap.Height) / bitmap.Width * _resizer.NewWidth);
bitmap = _resizer.Apply(bitmap);
}
private void NoiseReduction(ref Bitmap frame)
{
frame = Grayscale.CommonAlgorithms.RMY.Apply(frame); // Make gray
switch (NoiseReduceValue)
{
case 1:
BilateralSmoothing Bil_filter = new BilateralSmoothing();
Bil_filter.KernelSize = 7;
Bil_filter.SpatialFactor = 10;
Bil_filter.ColorFactor = 30;
Bil_filter.ColorPower = 0.5;
Bil_filter.ApplyInPlace(frame);
break;
case 2:
Median M_filter = new Median();
M_filter.ApplyInPlace(frame);
break;
case 3:
Mean Meanfilter = new Mean();
// apply the MirrFilter
Meanfilter.ApplyInPlace(frame);
break;
default:
Median Median_filter = new Median();
Median_filter.ApplyInPlace(frame);
break;
}
GrayscaleToRGB RGBfilter = new GrayscaleToRGB(); // back to color format
frame = RGBfilter.Apply(frame);
}
public void VectorsRotate120(Bitmap image, List <double[]> vector360Contur, List <double[]> vector360Hull)
{
int i;
ProcessingImage pi = new ProcessingImage();
List <System.Drawing.Point> localPt;
for (i = 180; i < 360; i++)
{
QuickHull qh = new QuickHull();
Contur cont1 = new Contur();
//медианный фильтр для шумов границ размытых объектов
Median filter = new Median();
filter.ApplyInPlace(image);
//поворот на 1 градус
Bitmap image1 = pi.RotateImg(image, i);
image1 = pi.ProcImg(image1);
localPt = pi.GetPoints(image1);
//выделение выпуклой оболочки
List <System.Drawing.Point> ConvexHullLocal = qh.quickHull(localPt);
ConvexHullLocal = qh.DeleteAnglePoints(ConvexHullLocal);
//и контура
List <System.Drawing.Point> ConturLocal = cont1.kontur(image1);
ConturLocal = cont1.DeleteAnglePoints(ConturLocal);
Primary marks = new Primary(image1, ConturLocal, ConvexHullLocal);
vector360Contur.Add(marks.Contour());
vector360Hull.Add(marks.Convex());
}
}
/// <summary>
/// Processes the specified SRC image.
/// </summary>
/// <param name="srcImage">The SRC image.</param>
/// <remarks></remarks>
public void Process(Bitmap srcImage)
{
resize.NewWidth = srcImage.Width / Scale;
resize.NewHeight = srcImage.Height / Scale;
FilteredBoard = resize.Apply(srcImage);
ImageFilters.HSLFilter(FilteredBoard, targetHue, targetSat, targetBri, hueTol, satTol, briTol);
median.ApplyInPlace(FilteredBoard);
GaussianBlur blr = new GaussianBlur(1, 2);
blr.ApplyInPlace(FilteredBoard);
List <IntPoint> cors = new List <IntPoint>();
try
{
cors = quadFinder.ProcessImage(FilteredBoard);
}
catch { }
if (ValidCorners(cors))
{
EnlargeCorners(cors);
SortCorners(cors);
UpdateCorners(cors);
}
}
/// <summary>
/// Filter: Median Blur
/// Subtract the medium blur (block size ~letter size) from the image
/// </summary>
public void SubtractMedianBlur()
{
var filter = new Median(); // create filter
filter.ApplyInPlace(Image); // apply the filter
Save("medianBlurred");
}
/// <summary>
/// Aforge median filtration
/// </summary>
/// <param name="image"></param>
/// <param name="core">Median core size</param>
public static Image Median(this Image image, int core)
{
var bitmapImage = new Bitmap(image);
Median medianFilter = new Median(core);
medianFilter.ApplyInPlace(bitmapImage);
return(bitmapImage);
}
public static Bitmap MedianFilter(Bitmap sourceImage, int squareSize)
{
var filter = new Median();
var tmp = new Bitmap(sourceImage);
filter.ApplyInPlace(tmp);
return(tmp);
}
/*
* 1- gray scale transform;
* */
public void ToGray(ref Bitmap image)
{
image = (Bitmap)ResizeImage((System.Drawing.Image)image);
// Create a blank bitmap with the same dimensions
Bitmap imageGray = new Bitmap(image);
Median medianFilter = new Median();
// apply the filter
medianFilter.ApplyInPlace(image);
// create grayscale filter (BT709)
Grayscale filter = new Grayscale(0.2125, 0.7154, 0.0721);
// apply the filter
image = filter.Apply(imageGray);
// create filter
Invert invertFilter = new Invert();
// apply the filter
invertFilter.ApplyInPlace(image);
// create filter
OtsuThreshold filterOtsuThreshold = new OtsuThreshold();
// apply the filter
filterOtsuThreshold.ApplyInPlace(image);
// check threshold value
int t = filterOtsuThreshold.ThresholdValue;
/*
* // create and configure the filter
* FillHoles holesFilter = new FillHoles();
* holesFilter.MaxHoleHeight = 2;
* holesFilter.MaxHoleWidth = 2;
* holesFilter.CoupledSizeFiltering = false;
* // apply the filter
* Bitmap result = holesFilter.Apply(image);
*
*
* BinaryDilatation3x3 bd = new BinaryDilatation3x3();
* bd.ApplyInPlace(image);
* bd.ApplyInPlace(image);
*
* // create filter
* BlobsFiltering filterBlobsFiltering = new BlobsFiltering();
* // configure filter
* filterBlobsFiltering.CoupledSizeFiltering = true;
* filterBlobsFiltering.MinWidth = 5;
* filterBlobsFiltering.MinHeight = 5;
* // apply the filter
* filterBlobsFiltering.ApplyInPlace(image);
*/
}
private void медианнаяToolStripMenuItem_Click(object sender, EventArgs e)
{
Median filter = new Median();
Bitmap srcBitmap = new Bitmap(sourcePictureBox.Image);
filter.ApplyInPlace(srcBitmap);
chart1.Series[0].Points.DataBindY(calculateChart(srcBitmap));
resultPictureBox.Image = srcBitmap;
}
public static Bitmap Median(Bitmap bmp)
{
// create filter
Median filter = new Median();
// apply the filter
filter.ApplyInPlace(bmp);
return(bmp);
}
private void MedianFilterButton_Click(object sender, EventArgs e)
{
Bitmap bmp = (Bitmap)pictureBox1.Image;
Median filter = new Median();
filter.ApplyInPlace(bmp);
SaveAction(bmp);
pictureBox1.Refresh();
Charts();
}
/// <summary>
/// This method improve image resolution to 300X300.
/// </summary>
/// <param name="image"></param>
/// <returns></returns>
private Bitmap ImproveResolution(Bitmap image)
{
//improve resolution
Bitmap b = new Bitmap(image);
b.SetResolution(300, 300);
Median median = new Median();
median.ApplyInPlace(b);
//b.Save(@"C:\Users\Maor\Desktop\mode\ImproveResolution.jpeg");
return(b);
}
private Bitmap GetEdgedImage(WriteableBitmap writeableBitmap)
{
var edgeFilter = new CannyEdgeDetector(255, 0);
var smoothFilter = new Median();
var grayFilter = new Grayscale(0.2125, 0.7154, 0.0721);
var bitmap = (Bitmap)writeableBitmap;
bitmap = grayFilter.Apply(bitmap);
smoothFilter.ApplyInPlace(bitmap);
edgeFilter.ApplyInPlace(bitmap);
return(bitmap);
}
/// <summary>
/// This method binarize image.
/// </summary>
/// <param name="image"></param>
/// <returns></returns>
private Bitmap Binarize(Bitmap image)
{
Median median = new Median();
median.ApplyInPlace(image);
var bmp8bpp = Grayscale.CommonAlgorithms.BT709.Apply(image);
OtsuThreshold OtsuThreshold = new OtsuThreshold();
OtsuThreshold.ApplyInPlace(bmp8bpp);
//bmp8bpp.Save(@"C:\Users\Maor\Desktop\mode\BinarizeWithoutDilation.jpeg");
Closing closing = new Closing();
closing.ApplyInPlace(bmp8bpp);
return(bmp8bpp);
}
/// <summary>
/// Processes the specified SRC image.
/// </summary>
/// <param name="srcImage">The SRC image.</param>
/// <remarks></remarks>
public void Process(Bitmap srcImage)
{
if (srcImage == null || srcImage.Width < 10 || srcImage.Height < 10)
{
return;
}
resize.NewWidth = srcImage.Width / Scale;
resize.NewHeight = srcImage.Height / Scale;
FilteredBoard = resize.Apply(srcImage);
if (Enhance)
{
ImageFilters.FlattenLighting(FilteredBoard);
}
ImageFilters.HSLFilter(FilteredBoard, targetHue, targetSat, targetBri, hueTol, satTol, briTol);
median.ApplyInPlace(FilteredBoard);
GaussianBlur blr = new GaussianBlur(2, 2);
blr.ApplyInPlace(FilteredBoard);
TileBlobs.Clear();
try
{
BlobCounter.ProcessImage(FilteredBoard);
Blob[] blobs = BlobCounter.GetObjectsInformation();
TileBlobs.Clear();
foreach (Blob b in blobs)
{
if (b.Area < 10)
{
continue;
}
TileBlobs.Add(b);
}
}
catch { }
}
/// <summary>
/// This method binarize dnd dilate image.
/// </summary>
/// <param name="image"></param>
/// <returns></returns>
private Bitmap BinarizeAndDilationWithMedian(Bitmap image)
{
int[,] kernel =
{
{ -2, -1, 0 },
{ -1, 1, 1 },
{ 0, 1, 2 }
};
// create filter
Convolution Convolution = new Convolution(kernel);
// apply the filter
Convolution.ApplyInPlace(image);
var bmp8bpp = Grayscale.CommonAlgorithms.BT709.Apply(image);
Invert invert = new Invert();
invert.ApplyInPlace(bmp8bpp);
Dilatation dilatation = new Dilatation();
dilatation.ApplyInPlace(bmp8bpp);
invert.ApplyInPlace(bmp8bpp);
Median median = new Median();
median.ApplyInPlace(bmp8bpp);
Closing closing = new Closing();
closing.ApplyInPlace(bmp8bpp);
OtsuThreshold OtsuThreshold = new OtsuThreshold();
OtsuThreshold.ApplyInPlace(bmp8bpp);
//bmp8bpp.Save(@"C:\Users\Maor\Desktop\mode\BinarizeAndDilationWithMedian.jpeg");
return(bmp8bpp);
}
public void addetalons(Bitmap etalon)
{
ProcessingImage pi = new ProcessingImage();
List <double[]> vector360Contur = new List <double[]>();
List <double[]> vector360Hull = new List <double[]>();
List <double[]> vector180360Contur = new List <double[]>();
List <double[]> vector180360Hull = new List <double[]>();
Bitmap ImageForThread1 = etalon.Clone(
new Rectangle(0, 0, etalon.Width, etalon.Height),
System.Drawing.Imaging.PixelFormat.Format24bppRgb);
Bitmap Image24 = etalon.Clone(
new Rectangle(0, 0, etalon.Width, etalon.Height),
System.Drawing.Imaging.PixelFormat.Format24bppRgb);
List <Point> localPt = new List <System.Drawing.Point>();
Thread t1 = new Thread(() => VectorsRotate120(ImageForThread1, vector180360Contur, vector180360Hull));
t1.Start();
//рассчет вектора признаков для каждого поворота
for (int i = 0; i < 180; i++)
{
QuickHull qh = new QuickHull();
Contur cont1 = new Contur();
//медианный фильтр для шумов границ размытых объектов
Median filter = new Median();
filter.ApplyInPlace(Image24);
//поворот на 1 градус
Bitmap image1 = pi.RotateImg(Image24, i);
image1 = pi.ProcImg(image1);
localPt = pi.GetPoints(image1);
//выделение выпуклой оболочки
List <System.Drawing.Point> ConvexHullLocal = qh.quickHull(localPt);
ConvexHullLocal = qh.DeleteAnglePoints(ConvexHullLocal);
//и контура
List <System.Drawing.Point> ConturLocal = cont1.kontur(image1);
ConturLocal = cont1.DeleteAnglePoints(ConturLocal);
Primary marks = new Primary(image1, ConturLocal, ConvexHullLocal);
vector360Contur.Add(marks.Contour());
vector360Hull.Add(marks.Convex());
progressBar1.Value = i + 1;
cont1 = null;
}
progressBar1.Value = 0;
for (int i = 0; i < vector180360Contur.Count; i++)
{
vector360Contur.Add(vector180360Contur[i]);
vector360Hull.Add(vector180360Hull[i]);
}
//запись в файл по 1 объекту
//WriteToFileBegin(vector360Contur, "Contours.txt");
//WriteToFileBegin(vector360Hull, "Hulls.txt");
//vector360Contur = ReadFromFile("Contours.txt", 18);
//vector360Hull = ReadFromFile("Hulls.txt", 28);
GetConturHullCentroid(vector360Contur, vector360Hull);
GetConturHullMedoid(vector360Contur, vector360Hull, Contourvec, Hullvec);
}
private void recognize_Click(object sender, EventArgs e)
{
label15.Text = "";
if (etalonimages.Count == 0)
{
foreach (PictureBox pb in etalonpanel.Controls.OfType <PictureBox>())
{
if (pb.Image != null)
{
etalonimages.Add((Bitmap)pb.Image);
}
}
//чтение из файлов параметров
ContourEtalCentr = ReadFromFile("ContourCentr.txt", 18);
HullEtalCentr = ReadFromFile("HullCentr.txt", 28);
ContourEtalMedoid = ReadFromFile("ContourMed.txt", 18);
HullEtalMedoid = ReadFromFile("HullCentrMed.txt", 28);
}
Grayscale grayfilter = new Grayscale(0.2125, 0.7154, 0.0721);
// применяем фильтр
grayImage = grayfilter.Apply((Bitmap)vebpb.Image);
//выводим на пичербокс
//pictureBox1.Image = grayImage;
//Application.Idle -= GetVideo;
mainImage = grayImage.Clone(
new Rectangle(0, 0, grayImage.Width, grayImage.Height),
System.Drawing.Imaging.PixelFormat.Format8bppIndexed);
//медианный фильтр для шумов границ размытых объектов
Median filter1 = new Median();
filter1.ApplyInPlace(mainImage);
OtsuThreshold filter = new OtsuThreshold();
// apply the filter
filter.ApplyInPlace(mainImage);
// check threshold value
Invert filter2 = new Invert();
// apply the filter
filter2.ApplyInPlace(mainImage);
// исправили потомучто надо
//RecursiveBlobCounter bc = new RecursiveBlobCounter();
BlobCounter bc = new BlobCounter();
// process binary image
bc.ProcessImage(mainImage);
Rectangle[] rects = bc.GetObjectsRectangles();
List <Bitmap> images = new List <Bitmap>();
List <Bitmap> imagesWithEdge = new List <Bitmap>();
Bitmap bp;
int i = 0;
foreach (Rectangle rect in rects)
{
images.Add(new Bitmap(mainImage.Width, mainImage.Height));
Graphics g = Graphics.FromImage(images[i]); //получаю объект графики из битмап
SolidBrush b = new SolidBrush(Color.Black); //кисть для заливки
g.FillRectangle(b, new Rectangle(0, 0, images[i].Width, images[i].Height)); //заполняю
bp = mainImage.Clone(rects[i], System.Drawing.Imaging.PixelFormat.Format8bppIndexed);
g.DrawImage(bp, rects[i].X, rects[i].Y, rects[i].Width, rects[i].Height);
i++;
}
//List <List<System.Drawing.Point>> convexHull = new List<List<System.Drawing.Point>>();
ProcessingImage pi = new ProcessingImage();
QuickHull qh = new QuickHull();
Contur cont = new Contur();
List <System.Drawing.Point> localPt = new List <System.Drawing.Point>();
foreach (Bitmap img in images)
{
//формирование выпуклой оболочки
localPt = pi.GetPoints(img);
List <System.Drawing.Point> ConvexHullLocal = qh.quickHull(localPt);
ConvexHullLocal = qh.DeleteAnglePoints(ConvexHullLocal);
convexHull.Add(ConvexHullLocal);
//и контура
List <System.Drawing.Point> ConturLocal = cont.kontur(img);
ConturLocal = cont.DeleteAnglePoints(ConturLocal);
edgePoint.Add(ConturLocal);
imagesWithEdge.Add(img.Clone(new Rectangle(0, 0, img.Width, img.Height), System.Drawing.Imaging.PixelFormat.Format32bppRgb));
}
int hullimagenum = 0;
foreach (PictureBox pb in Hullpanel.Controls)
{
if (hullimagenum < images.Count)
{
pb.Image = images[hullimagenum];
}
hullimagenum++;
}
//выделение векторов признаков
List <Primary> marks = new List <Primary>();
List <double[]> objectMarksHull = new List <double[]>();
List <double[]> objectMarksContur = new List <double[]>();
List <double[]> etallMarksCentrHull = new List <double[]>();
List <double[]> etallMarksCentrContur = new List <double[]>();
List <double[]> etallMarksMedHull = new List <double[]>();
List <double[]> etallMarksMedContur = new List <double[]>();
for (i = 0; i < images.Count; i++)
{
marks.Add(new Primary(images[i], edgePoint[i], convexHull[i]));
objectMarksContur.Add(marks[i].Contour());
objectMarksHull.Add(marks[i].Convex());
}
//Отрисовка выпуклой оболочки
for (i = 0; i < convexHull.Count; i++)
{
Graphics gr1 = Graphics.FromImage(images[i]);
List <System.Drawing.Point> pt = new List <System.Drawing.Point>(convexHull[i]);
for (int j = 0; j < pt.Count; j++)
{
qh.PutPixel(gr1, Color.Red, pt[j].X, pt[j].Y, 255);
}
gr1 = Graphics.FromImage(imagesWithEdge[i]);
List <System.Drawing.Point> pt1 = new List <System.Drawing.Point>(edgePoint[i]);
for (int j = 0; j < pt1.Count; j++)
{
cont.PutPixel(gr1, Color.Red, pt1[j].X, pt1[j].Y, 255);
}
}
int contourimagenum = 0;
foreach (PictureBox pb in Contourpanel.Controls)
{
if (contourimagenum < imagesWithEdge.Count)
{
pb.Image = imagesWithEdge[contourimagenum];
}
contourimagenum++;
}
//int hullimagenum = 0;
//foreach (PictureBox pb in Hullpanel.Controls)
//{
// if (hullimagenum < images.Count)
// pb.Image = images[hullimagenum];
// hullimagenum++;
//}
for (int j = 0; j < etalonimages.Count; j++)
{
etallMarksCentrContur.Add(ContourEtalCentr[j]);
etallMarksMedContur.Add(ContourEtalMedoid[j]);
etallMarksCentrHull.Add(HullEtalCentr[j]);
etallMarksMedHull.Add(HullEtalMedoid[j]);
}
for (int l = 0; l < images.Count; l++)
{
compareobjects(objectMarksHull,
objectMarksContur,
etallMarksCentrContur,
etallMarksMedContur,
etallMarksCentrHull,
etallMarksMedHull, l);
}
images.Clear();
convexHull.Clear();
edgePoint.Clear();
imagesWithEdge.Clear();
marks.Clear();
//contourMarks.Clear();
i = 0;
}
void cam_NewFrame(object sender, NewFrameEventArgs eventArgs)
{
Bitmap realimage = (Bitmap)eventArgs.Frame.Clone();
Bitmap rimage = (Bitmap)eventArgs.Frame.Clone();
Bitmap bimage = (Bitmap)eventArgs.Frame.Clone();
//Red Object detection
GrayscaleBT709 grayscale = new GrayscaleBT709();
Subtract sfilter = new Subtract(grayscale.Apply(rimage));
ExtractChannel rchannel = new ExtractChannel(RGB.R);
ExtractChannel bchannel = new ExtractChannel(RGB.B);
rimage = rchannel.Apply(rimage);
bimage = bchannel.Apply(bimage);
sfilter.ApplyInPlace(rimage);
sfilter.ApplyInPlace(bimage);
Median mfilter = new Median(5);
mfilter.ApplyInPlace(rimage);
mfilter.ApplyInPlace(bimage);
Threshold thresh = new Threshold(50);
thresh.ApplyInPlace(rimage);
thresh.ApplyInPlace(bimage);
BlobCounter rblob = new BlobCounter();
rblob.ObjectsOrder = ObjectsOrder.Area;
rblob.ProcessImage(rimage);
BlobCounter bblob = new BlobCounter();
bblob.ObjectsOrder = ObjectsOrder.Area;
bblob.ProcessImage(bimage);
Rectangle[] rrect = rblob.GetObjectsRectangles();
Rectangle[] brect = bblob.GetObjectsRectangles();
p = new int[rrect.Length + brect.Length];
arr = 0;
if (rrect.Length > 0)
{
for (int i = 0; i < rrect.Length; i++)
{
if (rrect[i].Height > 20 && rrect[i].Width > 20)//Object Min height width
{
Graphics g = Graphics.FromImage(realimage);
g.DrawRectangle(new Pen(Color.Red), rrect[i]);
objheight = rrect[i].Height;
objwidth = rrect[i].Width;
objx = rrect[i].X + (objwidth / 2);
objy = rrect[i].Y + (objheight / 2);
p[i] = getpartition();
arr++;
g.DrawEllipse(new Pen(Color.Yellow), objx, objy, 5, 5);
g.DrawString("Red Object", new Font("Arial", 10), new SolidBrush(Color.AntiqueWhite), objx, objy - 15);
g.DrawString("X:" + objx + " Y:" + objy, new Font("Arial", 10), new SolidBrush(Color.LimeGreen), objx, objy);
g.DrawString("H:" + objheight + " W:" + objwidth, new Font("Arial", 10), new SolidBrush(Color.LightCyan), objx, objy + 15);
g.DrawString("P:" + p[i], new Font("Arial", 10), new SolidBrush(Color.LightSkyBlue), objx, objy + 25);
}
}
obj = largest();
if (obj == 0)
{
obj = prevobj;
}
prevobj = obj;
}
if (brect.Length > 0)
{
for (int i = 0; i < brect.Length; i++)
{
if (brect[i].Height > 20 && brect[i].Width > 20)//Object Min height width
{
Graphics g = Graphics.FromImage(realimage);
g.DrawRectangle(new Pen(Color.Red), brect[i]);
objheight = brect[i].Height;
objwidth = brect[i].Width;
objx = brect[i].X + (objwidth / 2);
objy = brect[i].Y + (objheight / 2);
p[i + arr] = getpartition();
g.DrawEllipse(new Pen(Color.Yellow), objx, objy, 5, 5);
g.DrawString("Blue Object", new Font("Arial", 10), new SolidBrush(Color.AntiqueWhite), objx, objy - 15);
g.DrawString("X:" + objx + " Y:" + objy, new Font("Arial", 10), new SolidBrush(Color.LimeGreen), objx, objy);
g.DrawString("H:" + objheight + " W:" + objwidth, new Font("Arial", 10), new SolidBrush(Color.LightCyan), objx, objy + 15);
g.DrawString("P:" + p[i + arr], new Font("Arial", 10), new SolidBrush(Color.LightSkyBlue), objx, objy + 25);
}
}
obj = largest();
if (obj == 0)
{
obj = prevobj;
}
prevobj = obj;
}
displayBox.Image = realimage;
}
}//FrameGrapper
#region 눈 검출 방법 : 눈 떳을 때, 눈 감았을 때의 threshold 값의 변화에 따라 눈 깜빡임 인식
public void thresholdEffect(int catchThreshold)
{
// Black 픽셀이 잡힌 경우 재귀 함수 빠져나가기
if (Form1.catchBlackPixel.Equals(true))
{
return;
}
// 눈 깜빡임을 검출할 눈 영역 Median Blur 필터 적용
Thimage = (Bitmap)imageBox1.Image.Bitmap;
Median filter = new Median();
filter.ApplyInPlace(Thimage);
// 눈 깜빡임을 검출할 눈 영역 Threshold 필터 적용 - (catchThreshold 값으로)
IFilter threshold = new Threshold(catchThreshold);
Thimage = Grayscale.CommonAlgorithms.RMY.Apply(Thimage);
Thimage = threshold.Apply(Thimage);
// 눈 검출할 영역의 가로 길이가 50mm가 넘는다면 40x30 size로 변환
// (카메라 가까이에 얼굴이 있으면 눈 영역도 커지기 때문에 계산량 일정하게 만들기)
if (Thimage.Width > 50)
{
Thimage = ResizeImage(Thimage, new Size(40, 30));
}
// 필터링 된 이미지 blur 처리 후 한 픽셀이라도 검은 Pixel이 존재한 다면
// catchBlackPixel = true로 변경.
for (int x = blurAmount + 5; x <= Thimage.Width - blurAmount; x++)
{
for (int y = blurAmount + 5; y <= Thimage.Height - blurAmount; y++)
{
try
{
Color prevX = Thimage.GetPixel(x - blurAmount, y);
Color nextX = Thimage.GetPixel(x + blurAmount, y);
Color prevY = Thimage.GetPixel(x, y - blurAmount);
Color nextY = Thimage.GetPixel(x, y + blurAmount);
int avgR = (int)((prevX.R + nextX.R + prevY.R + nextY.R) / 4);
if (avgR < 150)
{
Form1.catchBlackPixel = true;
break;
}
}
catch (Exception) { }
}
}
// 검은 Pixel 존재 할 경우
if (Form1.catchBlackPixel.Equals(true))
{
// Tresholdvalue = Label에 투영시킬 변수
TV = catchThreshold;
// 이 동작을 3번 ㅇ
if (averageThresholdValue.Count > 3)
{
averageThresholdValue.Add((averageThresholdValue[1] + averageThresholdValue[2]) / 2);
Double doubleValue = averageThresholdValue.Average() - averageThresholdValue.Average() % 10;
int a = (int)doubleValue;
thresholdValue = a;
}
else
{
averageThresholdValue.Add(catchThreshold);
}
// catchThreshold와 평균 Threshold값을 비교하여 눈 깜빡임 detect
// 만약 직전에도 이 값일 경우엔 Pass
if (catchThreshold > averageThresholdValue.Average() + 8 &&
catchThreshold < averageThresholdValue.Average() + 25)
{
if (!catchBlink)
{
blinkNum++;
catchBlink = true;
label3.Text = blinkNum.ToString();
}
else
{
catchBlink = true;
}
}
else
{
catchBlink = false;
}
//label2.Text = ((double)prevThresholdValue / (double)catchThreshold).ToString();
return;
}
// 만약 해당 이미지에 검은 픽셀이 존재하지 않을경우
// catchThreshold값을 1 증가시켜 재귀 함수를 통해 다시 계산시키기
else
{
if (catchThreshold < 120)
{
catchThreshold += 1;
prevThresholdValue = catchThreshold;
thresholdEffect(catchThreshold);
}
}
}
public int SetImage(Bitmap image)
{
leftEdges.Clear();
rightEdges.Clear();
topEdges.Clear();
bottomEdges.Clear();
hulls.Clear();
quadrilaterals.Clear();
selectedBlobID = 0;
Bitmap imageclone = AForge.Imaging.Image.Clone(image, image.PixelFormat);
// create filter
Median filterMedian = new Median();
// apply the filter
// create filter
Threshold filterThreshold = new Threshold(250);
// configure filter
// create filter
BlobsFiltering filterBlobsFiltering = new BlobsFiltering();
filterBlobsFiltering.CoupledSizeFiltering = false;
filterBlobsFiltering.MinWidth = 6; //7
filterBlobsFiltering.MinHeight = 6; //7
filterBlobsFiltering.MaxWidth = 8; //8
filterBlobsFiltering.MaxHeight = 8; //8
// apply the filter
filterThreshold.ApplyInPlace(imageclone);
filterBlobsFiltering.ApplyInPlace(imageclone);
filterMedian.ApplyInPlace(imageclone);
//this.image = AForge.Imaging.Image.Clone( image, PixelFormat.Format16bppGrayScale );
//imageclone = AForge.Imaging.Image.Clone(image);
imageWidth = imageclone.Width;
imageHeight = imageclone.Height;
blobCounter.ProcessImage(imageclone);
blobs = blobCounter.GetObjectsInformation();
center = new List <AForge.Point>();
GrahamConvexHull grahamScan = new GrahamConvexHull();
foreach (Blob blob in blobs)
{
List <IntPoint> leftEdge = new List <IntPoint>();
List <IntPoint> rightEdge = new List <IntPoint>();
List <IntPoint> topEdge = new List <IntPoint>();
List <IntPoint> bottomEdge = new List <IntPoint>();
// collect edge points
blobCounter.GetBlobsLeftAndRightEdges(blob, out leftEdge, out rightEdge);
blobCounter.GetBlobsTopAndBottomEdges(blob, out topEdge, out bottomEdge);
AForge.Point centering = blob.CenterOfGravity;
leftEdges.Add(blob.ID, leftEdge);
rightEdges.Add(blob.ID, rightEdge);
topEdges.Add(blob.ID, topEdge);
bottomEdges.Add(blob.ID, bottomEdge);
// find convex hull
List <IntPoint> edgePoints = new List <IntPoint>();
edgePoints.AddRange(leftEdge);
edgePoints.AddRange(rightEdge);
List <IntPoint> hull = grahamScan.FindHull(edgePoints);
hulls.Add(blob.ID, hull);
List <IntPoint> quadrilateral = null;
// List array center of gravity
center.Add(centering);
// find quadrilateral //
if (hull.Count < 4)
{
quadrilateral = new List <IntPoint>(hull);
}
else
{
quadrilateral = PointsCloud.FindQuadrilateralCorners(hull);
}
quadrilaterals.Add(blob.ID, quadrilateral);
// shift all points for vizualization
IntPoint shift = new IntPoint(1, 1);
PointsCloud.Shift(leftEdge, shift);
PointsCloud.Shift(rightEdge, shift);
PointsCloud.Shift(topEdge, shift);
PointsCloud.Shift(bottomEdge, shift);
PointsCloud.Shift(hull, shift);
PointsCloud.Shift(quadrilateral, shift);
}
double xhair = imageWidth / 2;
double yhair = imageHeight / 2;
if (image.PixelFormat != PixelFormat.Format24bppRgb)
{
//filterBlobX(516.0, 670.0);
//filterBlobY(360.0, 520.0);
filterBlobX(516.0, 1117.0);
filterBlobY(357.0, 460.0);
refPointList = new List <AForge.Point>();
//findRef(388.0, 0.5);
findRef(20.0, 1.5);//
findPick(refPoint.X, refPoint.Y);
}
//UpdatePosition();
//Invalidate();
//if (!Directory.Exists(path))
//{
// System.IO.Directory.CreateDirectory(path);
//}
////file = path + DateTime.Now.ToString(datePatt);
file = path + "visimg.bmp";
imageclone.Save(file);
if (blobs.Length > 0)
{
return(blobs.Length);
}
else
{
return(0);
}
}
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);
}
}
// Slow version (eventually pictures could be resized for more performance)
private void FindPersonPosition(UnmanagedImage frameImage)
{
var stopwatch = Stopwatch.StartNew();
Difference diffFilter = new Difference(_baseImage);
UnmanagedImage diffImg = diffFilter.Apply(frameImage);
//diffImg.ToManagedImage().Save(@"c:\temp\recognition\diff.png");
// TODO ev. ColorFilter
Grayscale grayFilter = new GrayscaleBT709();
diffImg = grayFilter.Apply(diffImg);
//diffImg.ToManagedImage().Save(@"c:\temp\recognition\diff-gray.png");
Threshold thresholdFilter = new Threshold(30);
thresholdFilter.ApplyInPlace(diffImg);
//diffImg.ToManagedImage().Save(@"c:\temp\recognition\diff-gray-thres.png");
Median medianFilter = new Median(3);
medianFilter.ApplyInPlace(diffImg);
//diffImg.ToManagedImage().Save(@"c:\temp\recognition\diff-gray-thres-med.png");
// Find Person Borders (TODO ev. Performance Boost, wenn CollectActivePixels vermieden wird)
// per Iteration durch Pixeldaten koennte ev. die groesste und die kleinste x-Koordinate schneller
// gefunden werden..
List <AForge.IntPoint> whites = diffImg.CollectActivePixels(BOTTOM_BASE_STRIPE);
int minX = whites.Min(obj => obj.X);
int maxX = whites.Max(obj => obj.X);
// Schneller als MS Algorithmus fuer Min und Max
// (auch wenn es assymptotisch gleich schnell sein muesste)
//int minX = int.MaxValue;
//int maxX = int.MinValue;
//foreach(AForge.IntPoint whitePixel in whites)
//{
// //if (whitePixel.X < minX)
// //{
// // minX = whitePixel.X;
// //}
// if (whitePixel.X > maxX)
// {
// maxX = whitePixel.X;
// }
//}
var elapsedStage1 = stopwatch.ElapsedMilliseconds;
Debug.WriteLine("Person is this fat: {0}, {1}", minX, maxX);
// Find Arm
whites = diffImg.CollectActivePixels(new Rectangle(maxX, 0, 640 - maxX, 480 - BOTTOM_BASE_STRIPE.Height));
maxX = whites.Max(obj => obj.X);
var armPoint = whites.First(obj => obj.X == maxX);
Debug.WriteLine("Persons arm is here: {0}, {1}", armPoint.X, armPoint.Y);
Bitmap b = frameImage.ToManagedImage();
using (Graphics g = Graphics.FromImage(b))
{
g.DrawEllipse(Pens.Red, armPoint.X, armPoint.Y, 5, 5);
b.Save(@"c:\temp\recognition\gach.png");
}
Debug.WriteLine("Time: {0}", elapsedStage1);
stopwatch.Stop();
}
public Bitmap[] processImage(string filePath, int thresholdValueFromTrackBar)
{
OtsuThreshold otsuFilter = new OtsuThreshold(); //Фильтр, котор
Median medianFilter = new Median();
Grayscale grayFilter = new Grayscale(0.2125, 0.7154, 0.0721);
Bitmap srcBitmap = new Bitmap(filePath);
Bitmap resultImage = grayFilter.Apply(srcBitmap);
int threshold = otsuFilter.CalculateThreshold(resultImage, new Rectangle(0, 0, resultImage.Width, resultImage.Height)) + thresholdValueFromTrackBar;
int delta = 10;
Threshold filter = new Threshold(threshold - delta);
filter.ApplyInPlace(resultImage);
medianFilter.ApplyInPlace(resultImage);
objectsMap = new int[resultImage.Width, resultImage.Height];
int objectCounter = 1; //Счетчик объектов
int pointsCount = 0; //Счетчик пикселей, из которых состоит объект
List <Vector2D_Int> objectPoints = new List <Vector2D_Int>(); //Список для рекурсивного обхода точек по объекту
Dictionary <int, int> objectsSpaces = new Dictionary <int, int>();
int max = 0; //Количество точек в самом больщом объекте
//В цикле проходим по всем пикселям изображения
for (int x = 0; x < resultImage.Width; x++)
{
for (int y = 0; y < resultImage.Height; y++)
{
//Если встречаем черную точку и данную точку мы еще не посещали,
//то начинаем поиск соседних черных точек, чтобы обойти весь объект
if ((resultImage.GetPixel(x, y).R == 0) && (objectsMap[x, y] == 0))
{
pointsCount = 1;
objectsMap[x, y] = objectCounter; //Заполняем массив, в котором указаны какие точки относятся к какому объекту
objectPoints.Add(new Vector2D_Int(x, y)); //Добавляем текущую точку в список для проверки соседних точек
while (objectPoints.Count > 0) //Если в списке точек на проверку имеются записи (при первом входе там будет минимум одна запись с текущей точкой
{
Vector2D_Int currentPoint = objectPoints[0];
//Проходим по 8 соседним точкам
for (int dy = -1; dy < 2; dy++)
{
for (int dx = -1; dx < 2; dx++)
{
//Проверка на выход текущей точки за пределы изображения
int currentPosX = Math.Min(Math.Max(currentPoint.X + dx, 0), resultImage.Width - 1);
int currentPosY = Math.Min(Math.Max(currentPoint.Y + dy, 0), resultImage.Height - 1);
byte tempR = resultImage.GetPixel(currentPosX, currentPosY).R;
//Если проверяемая точка черная и мы её не посещали
if ((tempR == 0) && (objectsMap[currentPosX, currentPosY] == 0) && ((dx != 0) || (dy != 0)))
{
//То в массиве объектов указываем отношение данной точки к объекту
objectsMap[currentPosX, currentPosY] = objectCounter;
//Добавляем точку в список для последующей проверки
objectPoints.Add(new Vector2D_Int(currentPosX, currentPosY));
//Увеличиваем счетчик точек в объкте
pointsCount++;
}
}
}
//После проверки текущей точки удаляем её из списка, чтобы на первое место встала следующая точка
objectPoints.RemoveAt(0);
}
//Сохраняем идентификатор и размер объекта
objectsSpaces.Add(objectCounter, pointsCount);
//Инкрементируем счетик объектов
objectCounter++;
max = Math.Max(max, pointsCount);
pointsCount = 0;
}
}
}
pointsCount = 0;
List <int> listObjectsId = new List <int>(); //Список идентификаторов объектов, которые удовлетворяют условию порога
boundingBox[] boundingBoxesObject = new boundingBox[objectsSpaces.Count];
for (int i = 0; i < boundingBoxesObject.Length; i++)
{
boundingBoxesObject[i] = new boundingBox(resultImage.Width, resultImage.Height);
}
for (int x = 0; x < resultImage.Width; x++)
{
for (int y = 0; y < resultImage.Height; y++)
{
if (objectsMap[x, y] != 0)
{
int idObject = objectsMap[x, y] - 1;
boundingBoxesObject[idObject].maxX = Math.Max(x, boundingBoxesObject[idObject].maxX);
boundingBoxesObject[idObject].minX = Math.Min(x, boundingBoxesObject[idObject].minX);
boundingBoxesObject[idObject].maxY = Math.Max(y, boundingBoxesObject[idObject].maxY);
boundingBoxesObject[idObject].minY = Math.Min(y, boundingBoxesObject[idObject].minY);
}
}
}
max = 0;
for (int i = 0; i < boundingBoxesObject.Length; i++)
{
int square = (boundingBoxesObject[i].maxX - boundingBoxesObject[i].minX) * (boundingBoxesObject[i].maxY - boundingBoxesObject[i].minY);
double squareTreshold = Convert.ToDouble(objectsSpaces[i + 1]) / Convert.ToDouble(square);
if (squareTreshold > 0.45)
{
max = Math.Max(max, objectsSpaces[i + 1]);
listObjectsId.Add(i + 1);
}
}
int sizeThreshold = Convert.ToInt32((max / 2) / Math.Sqrt(3)); //Порог для отсеивания маленьких объектов
List <int> resultListObjectsId = new List <int>();
foreach (int i in listObjectsId)
{
if (objectsSpaces[i] > sizeThreshold)
{
resultListObjectsId.Add(i);
}
}
Bitmap result = new Bitmap(resultImage.Width, resultImage.Height);
//Составление изображение на основе списка тех объектов, которые прошли порог
for (int x = 0; x < resultImage.Width; x++)
{
for (int y = 0; y < resultImage.Height; y++)
{
if (resultListObjectsId.Contains(objectsMap[x, y]))
{
result.SetPixel(x, y, Color.Black);
}
else
{
objectsMap[x, y] = 0;
result.SetPixel(x, y, Color.White);
}
}
}
boundingBox targetBox = boundingBoxesObject[resultListObjectsId[0] - 1];
int squareObject = (targetBox.maxX - targetBox.minX) * (targetBox.maxY - targetBox.minY);
int perimetrObject = ((targetBox.maxX - targetBox.minX) + (targetBox.maxY - targetBox.minY)) * 2;
int diagonalObject = Convert.ToInt32(Math.Pow(Math.Pow(Convert.ToDouble(targetBox.maxX - targetBox.minX), 2) + Math.Pow(Convert.ToDouble(targetBox.maxY - targetBox.minY), 2), 0.5));
string messageText = "Площадь объекта: " + squareObject + "\n" +
"Периметр объекта: " + perimetrObject + "\n" + "Диагональ объекта: " + diagonalObject;
//MessageBox.Show(messageText, "Данные об объекте", MessageBoxButtons.OK, MessageBoxIcon.Information);
Graphics gResult = Graphics.FromImage(result);
Graphics gSource = Graphics.FromImage(srcBitmap);
Pen pen = new Pen(Color.DarkBlue, 3);
gResult.DrawRectangle(pen, targetBox.getRectangle());
string diagonalInfo = "d1 = " + diagonalObject.ToString() + "pxl; d2 = " + diagonalObject.ToString() + "pxl";
Font drawFont = new Font("Arial", 16);
SolidBrush drawBrush = new SolidBrush(Color.DarkBlue);
gResult.DrawString(diagonalInfo, drawFont, drawBrush, targetBox.minX, targetBox.minY - 25);
gSource.DrawString(diagonalInfo, drawFont, drawBrush, targetBox.minX, targetBox.minY - 25);
gSource.DrawRectangle(pen, targetBox.getRectangle());
gResult.Save();
gSource.Save();
Bitmap[] resultedImages = new Bitmap[2];
resultedImages[1] = result;
resultedImages[0] = srcBitmap;
return(resultedImages);
}
