/// <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); } }
public static Bitmap TranformImage(Bitmap image) { List <IntPoint> corners; //using (Bitmap workingBitmap = (Bitmap)image.Clone()) using (Bitmap grayscaleBitmap = ConvertToGreyscale(image)) { DifferenceEdgeDetector detector = new DifferenceEdgeDetector(); detector.ApplyInPlace(grayscaleBitmap); //grayscaleBitmap.Save(@"D:\k\trash\workingBitmap.jpg"); //todo: threshold value new Threshold(20).ApplyInPlace(grayscaleBitmap); //grayscaleBitmap.Save(@"D:\k\trash\workingBitmapAfterThreshold.jpg"); QuadrilateralFinder quadrilateralFinder = new QuadrilateralFinder(); corners = quadrilateralFinder.ProcessImage(grayscaleBitmap); //todo del //using (Bitmap clone = workingBitmap.Clone(new Rectangle(0, 0, image.Width, image.Height), PixelFormat.Format32bppArgb)) //{ // foreach (IntPoint corner in corners) // { // clone.SetPixel(corner.X, corner.Y, Color.Red); // //g. // //g.FillEllipse(Brushes.Red, corner.X -len, corner.Y + len, corner.X + len, corner.Y - len); // } // clone.Save(@"D:\k\trash\edgeDifference.jpg"); //} } int boundingSquareSideLength = GetBoundingSquareSideLength(corners); QuadrilateralTransformation quadrilateralTransformation = new QuadrilateralTransformation(corners, boundingSquareSideLength, boundingSquareSideLength); Corners = corners; return(quadrilateralTransformation.Apply(image)); }
public mAnalyzeQuads(Bitmap InitialBitmap) { BitmapType = 0; QuadrilateralFinder cMethod = new QuadrilateralFinder(); //Effect = new CornersMarker(cMethod, CornerColor); //Effect.Detector = cMethod; List <IntPoint> corners = cMethod.ProcessImage(InitialBitmap); foreach (IntPoint corner in corners) { Points.Add(new wPoint(corner.X, corner.Y)); } Sequence.Clear(); Sequence.Add(Effect); }
public void picback() { Bitmap temp1; Bitmap temp2; Bitmap temp3; Bitmap temp4; Bitmap temp5; Bitmap temp6; Bitmap temp7; Bitmap temp8; Bitmap temp9; Bitmap temp10; Bitmap sourceImage; //新建轮廓过滤器 CannyEdgeDetector filter = new CannyEdgeDetector(); //生成颜色过滤器 ColorFiltering colorFilter = new ColorFiltering(); //将颜色过滤器设置为白色 colorFilter.Red = new IntRange(50, 255); colorFilter.Green = new IntRange(50, 255); colorFilter.Blue = new IntRange(50, 255); //从摄像头中截取图像 sourceImage = videoSourcePlayer1.GetCurrentVideoFrame(); //将原图格式化复制 temp1 = AForge.Imaging.Image.Clone(sourceImage, sourceImage.PixelFormat); //清除sourceImage占用 sourceImage.Dispose(); //sourceImage = temp1; int Height = temp1.Size.Height; int Width = temp1.Size.Width; //pictureBox1是原图 //pictureBox1.Image = temp1; //从temp1提取颜色 temp2 = filter.Apply(temp1.PixelFormat != PixelFormat.Format8bppIndexed ? Grayscale.CommonAlgorithms.BT709.Apply(temp1) : temp1); //pictureBox2原图轮廓 //pictureBox2.Image = temp2; //从temp1进行颜色过滤 temp5 = colorFilter.Apply(temp1); //pictureBox5原图轮廓 //pictureBox5.Image = temp5; //从temp5进行灰度转化 temp3 = new Grayscale(0.2125, 0.7154, 0.0721).Apply(temp5); //pictureBox3灰度转化 //pictureBox3.Image = temp3; //从temp3进行二值化 temp4 = new Threshold(10).Apply(temp3); //pictureBox4是二值化后的图 //pictureBox4.Image = temp4; //temp7去噪点后的图 temp7 = new BlobsFiltering(40, 40, temp4.Width, temp4.Height).Apply(temp4); //pictureBox7.Image = temp7; //temp6先原图格式化复制 temp6 = AForge.Imaging.Image.Clone(temp7, temp1.PixelFormat); temp8 = temp6; try { QuadrilateralFinder qf = new QuadrilateralFinder();//获取三角形、四边形角点 List <IntPoint> corners = qf.ProcessImage(temp6); //进行角点转换 corners = CornersChange(corners, temp6.Size.Width, temp6.Size.Height); //生成四角变换过滤器 QuadrilateralTransformation filter2 = new QuadrilateralTransformation(corners, 1920, 1040); //对原图temp1进行四角型变换 temp8 = filter2.Apply(temp1); } catch { } //temp9为temp8的复制 temp9 = AForge.Imaging.Image.Clone(temp8, temp1.PixelFormat); //pictureBox8.Image = temp8; //生成一个新的过滤器 ColorFiltering colorFilter2 = new ColorFiltering(); colorFilter2.Red = new IntRange(100, 255); colorFilter2.Green = new IntRange(100, 255); colorFilter2.Blue = new IntRange(0, 90); //提取颜色 temp5 = colorFilter2.Apply(temp9); //灰度转化 temp3 = new Grayscale(0.2125, 0.7154, 0.0721).Apply(temp5); //二值化 temp4 = new Threshold(10).Apply(temp3); //去噪点 temp7 = new BlobsFiltering(40, 40, temp4.Width, temp4.Height).Apply(temp4); temp6 = AForge.Imaging.Image.Clone(temp7, temp9.PixelFormat); temp10 = AForge.Imaging.Image.Clone(temp6, temp6.PixelFormat); pictureBox8.Image = temp10; try { QuadrilateralFinder qf = new QuadrilateralFinder();//获取三角形、四边形角点 List <IntPoint> corners = qf.ProcessImage(temp6); corners = CornersChange(corners, temp6.Size.Width, temp6.Size.Height); Rectangle rect = new Rectangle(); rect = Screen.GetWorkingArea(this); string path = OriPath + "\\SourceInputImage.jpg"; Bitmap bt = new Bitmap(path); //初始化一个和屏幕面积一样大小的bitmap且格式和bt一样 DisplayBitmap = new Bitmap(rect.Width, rect.Height, bt.PixelFormat); Graphics g = Graphics.FromImage(DisplayBitmap); g.FillRectangle(Brushes.White, new Rectangle(0, 0, rect.Width, rect.Height));//这句实现填充矩形的功能 AForge.Imaging.Filters.BackwardQuadrilateralTransformation Bfilter = new AForge.Imaging.Filters.BackwardQuadrilateralTransformation(bt, corners); temp10 = Bfilter.Apply(DisplayBitmap); //string testsavepath = OriPath + "\\SourcePic.bmp"; //DisplayBitmap.Save(testsavepath); /* * BitmapData data = temp6.LockBits(new Rectangle(0, 0, temp6.Width, temp6.Height), * ImageLockMode.ReadWrite, temp6.PixelFormat); * Drawing.Polygon(data, corners, Color.Red); * for (int i = 0; i < corners.Count; i++) * { * Drawing.FillRectangle(data, * new Rectangle(corners[i].X - 2, corners[i].Y - 2, 10, 10), * Color.Red); * } * * temp6.UnlockBits(data); */ } catch { } pictureBox9.Image = temp10; }
public void picshow() { Bitmap temp1; Bitmap temp2; Bitmap temp3; Bitmap temp4; Bitmap temp5; Bitmap temp7; Bitmap temp8; Bitmap temp9; Bitmap sourceImage; //新建轮廓过滤器 CannyEdgeDetector filter = new CannyEdgeDetector(); //生成颜色过滤器 ColorFiltering colorFilter = new ColorFiltering(); //白色 colorFilter.Red = new IntRange(50, 255); colorFilter.Green = new IntRange(50, 255); colorFilter.Blue = new IntRange(50, 255); //从摄像头中截取图像 sourceImage = videoSourcePlayer1.GetCurrentVideoFrame(); //将原图格式化复制 temp1 = AForge.Imaging.Image.Clone(sourceImage, sourceImage.PixelFormat); sourceImage.Dispose(); sourceImage = temp1; int Height = sourceImage.Size.Height; int Width = sourceImage.Size.Width; //pictureBox1是原图 pictureBox1.Image = temp1; //pictureBox2原图轮廓 temp2 = filter.Apply(sourceImage.PixelFormat != PixelFormat.Format8bppIndexed ? Grayscale.CommonAlgorithms.BT709.Apply(sourceImage) : sourceImage); pictureBox2.Image = temp2; //pictureBox5提取颜色后的图 temp5 = colorFilter.Apply(temp1); pictureBox5.Image = temp5; //pictureBox3灰度转化后的图 temp3 = new Grayscale(0.2125, 0.7154, 0.0721).Apply(temp5); pictureBox3.Image = temp3; //pictureBox4二值化后的图 temp4 = new Threshold(10).Apply(temp3); pictureBox4.Image = temp4; //pictureBox7去噪点后的图 temp7 = new BlobsFiltering(40, 40, temp4.Width, temp4.Height).Apply(temp4); pictureBox7.Image = temp7; Bitmap temp6 = AForge.Imaging.Image.Clone(temp7, temp1.PixelFormat); temp8 = temp6; try { QuadrilateralFinder qf = new QuadrilateralFinder();//获取三角形、四边形角点 List <IntPoint> corners = qf.ProcessImage(temp6); /* * BlobCounter extractor = new BlobCounter(); * extractor.FilterBlobs = true; * extractor.MinWidth = extractor.MinHeight = 150; * extractor.MaxWidth = extractor.MaxHeight = 350; * extractor.ProcessImage(temp6); * * foreach (Blob blob in extractor.GetObjectsInformation()) * { * // 获取边缘点 * List<IntPoint> edgePoints = extractor.GetBlobsEdgePoints(blob); * // 利用边缘点,在原始图像上找到四角 * corners = PointsCloud.FindQuadrilateralCorners(edgePoints); * } */ corners = CornersChange(corners, temp6.Size.Width, temp6.Size.Height); QuadrilateralTransformation filter2 = new QuadrilateralTransformation(corners, 384, 216); temp8 = filter2.Apply(temp1); } catch { } //pictureBox8原图中的投影经过四边形转换后的图 temp9 = AForge.Imaging.Image.Clone(temp8, temp1.PixelFormat); pictureBox8.Image = temp8; //亮黄 ColorFiltering colorFilter2 = new ColorFiltering(); colorFilter2.Red = new IntRange(100, 255); colorFilter2.Green = new IntRange(100, 255); colorFilter2.Blue = new IntRange(0, 90); //提取颜色 temp5 = colorFilter2.Apply(temp9); pictureBox5.Image = temp5; //灰度转化 temp3 = new Grayscale(0.2125, 0.7154, 0.0721).Apply(temp5); pictureBox3.Image = temp3; //二值化 temp4 = new Threshold(10).Apply(temp3); //去噪点 temp7 = new BlobsFiltering(40, 40, temp4.Width, temp4.Height).Apply(temp4); temp6 = AForge.Imaging.Image.Clone(temp7, temp9.PixelFormat); temp9 = temp6; try { QuadrilateralFinder qf = new QuadrilateralFinder();//获取三角形、四边形角点 List <IntPoint> corners = qf.ProcessImage(temp6); corners = CornersChange(corners, temp6.Size.Width, temp6.Size.Height); QuadrilateralTransformation filter2 = new QuadrilateralTransformation(corners, 384, 216); BitmapData data = temp6.LockBits(new Rectangle(0, 0, temp6.Width, temp6.Height), ImageLockMode.ReadWrite, temp6.PixelFormat); Drawing.Polygon(data, corners, Color.Red); for (int i = 0; i < corners.Count; i++) { Drawing.FillRectangle(data, new Rectangle(corners[i].X - 2, corners[i].Y - 2, 10, 10), Color.Red); } float juli = (corners[0].Y + corners[3].Y - corners[1].Y - corners[2].Y) / 2; label1.Text = ((int)((400 - juli) / 7.5)).ToString(); temp6.UnlockBits(data); } catch { } pictureBox9.Image = temp9; }