Esempio n. 1
0
        static void Main(string[] args)
        {
            try
            {
                string     path             = "D:\\HACK2015\\PICS";
                Bitmap     sourceImage      = AForge.Imaging.Image.FromFile(Path.Combine(path, "CAM1s.jpg"));
                Difference differenceFilter = new Difference(); //AForge.Imaging.Filters.Difference
                differenceFilter.OverlayImage = sourceImage;

                Bitmap sourceImg = AForge.Imaging.Image.FromFile(Path.Combine(path, "CAM1.jpg"));
                Bitmap tempImg   = sourceImg.Clone() as Bitmap;
                tempImg = differenceFilter.Apply(tempImg);
                FiltersSequence seq = new FiltersSequence();
                seq.Add(Grayscale.CommonAlgorithms.BT709);
                seq.Add(new OtsuThreshold());
                tempImg = seq.Apply(tempImg);
                tempImg.Save(Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "CAM1.jpg"));

                int objectCount = 0;

                BlobCounter blobCounter = new BlobCounter();
                blobCounter.FilterBlobs = true;
                blobCounter.MinHeight   = 60;
                blobCounter.MinWidth    = 40;
                blobCounter.ProcessImage(tempImg);
                Blob[] blobs = blobCounter.GetObjectsInformation();
                for (int i = 0; i < blobs.Length; i++)
                {
                    List <IntPoint>    edgePoints   = blobCounter.GetBlobsEdgePoints(blobs[i]);
                    List <IntPoint>    corners      = null;
                    SimpleShapeChecker shapeChecker = new SimpleShapeChecker();
                    if (shapeChecker.IsQuadrilateral(edgePoints, out corners))
                    {
                        ++objectCount;
                    }
                }

                Console.WriteLine("No. of BLOBS: " + blobCounter.GetObjectsInformation().Length);
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }

            Console.Read();
        }
Esempio n. 2
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        public Bitmap DetectCircle(Bitmap image)
        {
            SimpleShapeChecker shapeChecker = new SimpleShapeChecker();
            // locate objects using blob counter
            BlobCounter blobCounter = new BlobCounter();

            blobCounter.ProcessImage(image);
            Blob[] blobs = blobCounter.GetObjectsInformation();
            // create Graphics object to draw on the image and a pen
            Graphics g      = Graphics.FromImage(image);
            Pen      redPen = new Pen(Color.Red, 2);

            // check each object and draw circle around objects, which
            // are recognized as circles
            for (int i = 0, n = blobs.Length; i < n; i++)
            {
                List <IntPoint> edgePoints = blobCounter.GetBlobsEdgePoints(blobs[i]);
                try
                {
                    shapeChecker.CheckShapeType(edgePoints);
                }
                catch (Exception)
                {
                    continue;
                }

                List <IntPoint> corners;
                AForge.Point    center;
                float           radius;
                if (shapeChecker.IsCircle(edgePoints, out center, out radius))
                {
                    g.DrawEllipse(redPen,
                                  (int)(center.X - radius),
                                  (int)(center.Y - radius),
                                  (int)(radius * 2),
                                  (int)(radius * 2));
                }
                else if (shapeChecker.IsQuadrilateral(edgePoints, out corners))
                {
                    g.DrawPolygon(redPen, ToPointsArray(corners));
                }
            }
            redPen.Dispose();
            g.Dispose();
            return(image);
        }
        public static void EternitySplinterDetect()
        {
            try
            {
                Bitmap bmp    = Image.FromFile(PATH + @"\test.png") as Bitmap;
                Bitmap newBmp = LootSystem.EternitySplinterFilter(bmp);

                // locate objects using blob counter
                BlobCounter blobCounter = new BlobCounter()
                {
                    FilterBlobs = true,
                    MinWidth    = 2,
                    MinHeight   = 2,
                    MaxWidth    = 28,
                    MaxHeight   = 28
                };

                // Process input image
                blobCounter.ProcessImage(newBmp);
                // Get information about detected objects
                Blob[] blobs = blobCounter.GetObjectsInformation();

                // create Graphics object to draw on the image and a pen
                Graphics g       = Graphics.FromImage(newBmp);
                Pen      bluePen = new Pen(Color.Blue, 2);
                // check each object and draw circle around objects, which
                // are recognized as circles
                for (int i = 0, n = blobs.Length; i < n; i++)
                {
                    List <IntPoint> edgePoints = blobCounter.GetBlobsEdgePoints(blobs[i]);
                    List <IntPoint> corners    = PointsCloud.FindQuadrilateralCorners(edgePoints);

                    g.DrawPolygon(bluePen, Helper.AForgeToPointsArray(corners));
                }

                bluePen.Dispose();
                g.Dispose();


                newBmp.Save(PATH + @"\outtest.png");
            }
            catch (Exception ex)
            {
                Debug.WriteLine(ex.StackTrace);
            }
        }
Esempio n. 4
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        public void FindContourTest()
        {
            Bitmap bmp = Properties.Resources.sample_black;

            Bitmap gray = AForge.Imaging.Filters.Grayscale.CommonAlgorithms.BT709.Apply(bmp);

            BlobCounter bc = new BlobCounter(gray);

            bc.ObjectsOrder = ObjectsOrder.Size;
            Blob[] blobs = bc.GetObjectsInformation();
            bc.ExtractBlobsImage(bmp, blobs[0], true);
            List <IntPoint> expected = bc.GetBlobsEdgePoints(blobs[0]);
            Bitmap          blob     = blobs[0].Image.ToManagedImage();

            BorderFollowing bf     = new BorderFollowing();
            List <IntPoint> actual = bf.FindContour(blob);

            Assert.AreEqual(expected.Count, actual.Count);

            foreach (IntPoint point in expected)
            {
                Assert.IsTrue(actual.Contains(point));
            }

            foreach (IntPoint point in actual)
            {
                Assert.IsTrue(expected.Contains(point));
            }

            IntPoint prev = actual[0];

            for (int i = 1; i < actual.Count; i++)
            {
                IntPoint curr = actual[i];
                Assert.IsTrue(System.Math.Abs(prev.X - curr.X) <= 1 &&
                              System.Math.Abs(prev.Y - curr.Y) <= 1);
                prev = curr;
            }

            IntPoint first = actual[0];
            IntPoint last  = actual[actual.Count - 1];

            Assert.IsTrue(System.Math.Abs(first.X - last.X) <= 1 &&
                          System.Math.Abs(first.Y - last.Y) <= 1);
        }
        /// <summary>
        /// calculate the blob's position based on the grids position
        /// </summary>
        /// <param name="b"></param>
        /// <param name="offset"></param>
        private void ProcessBlobs(BlobCounter b, int offset)
        {
            double xOff = ((_calibrationStep - 3) % (int)Math.Sqrt(CalibrationFrames - 3)) * _sqrwidth /
                          (int)Math.Sqrt(CalibrationFrames - 3);
            double yOff = Math.Floor((_calibrationStep - 3) / Math.Sqrt(CalibrationFrames - 3)) * _sqrwidth /
                          (int)Math.Sqrt(CalibrationFrames - 3);

            foreach (var blob in b.GetObjectsInformation())
            {
                var pos = _mapper.FromPresentation(blob.CenterOfGravity);
                if (pos.X >= 0 && pos.X <= _vs.Width && pos.Y >= 0 && pos.Y <= _vs.Height)
                {
                    var xPos = (int)Math.Floor((pos.X - xOff) / _sqrwidth);
                    var yPos = (int)Math.Floor((pos.Y - yOff) / _sqrheight);
#if DEBUG
                    using (var g = Graphics.FromImage(actImg))
                    {
                        g.DrawString(yPos + "," + xPos, new Font(FontFamily.GenericSansSerif, 8.0f), new SolidBrush(Color.White),
                                     blob.CenterOfGravity.X, blob.CenterOfGravity.Y);
                        g.Flush();
                        //Debug.WriteLine("wrote to image");
                    }
#endif
                    if (xPos % 2 == offset && yPos % 2 == offset) // check if the position is plausible
                    {
                        var corners = PointsCloud.FindQuadrilateralCorners(b.GetBlobsEdgePoints(blob));
                        if (corners.Count == 4)
                        {
                            RecursiveAForgeCalibrator.GridBlobs.InPlaceSort(corners);
                            Grid.AddPoint((int)(xPos * _sqrwidth + xOff), (int)(yPos * _sqrheight + yOff), corners[0].X,
                                          corners[0].Y);
                            Grid.AddPoint((int)((xPos + 1) * _sqrwidth + xOff), (int)(yPos * _sqrheight + yOff),
                                          corners[1].X,
                                          corners[1].Y);
                            Grid.AddPoint((int)(xPos * _sqrwidth + xOff), (int)((yPos + 1) * _sqrheight + yOff),
                                          corners[2].X,
                                          corners[2].Y);
                            Grid.AddPoint((int)((xPos + 1) * _sqrwidth + xOff), (int)((yPos + 1) * _sqrheight + yOff),
                                          corners[3].X,
                                          corners[3].Y);
                        }
                    }
                }
            }
        }
Esempio n. 6
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        public Bitmap extractBlobs(Bitmap originalImage, Bitmap alteredImage)
        {
            extractor.ProcessImage(alteredImage);
            foreach (Blob blob in extractor.GetObjectsInformation())
            {
                List <IntPoint> edgePoints = extractor.GetBlobsEdgePoints(blob);
                List <IntPoint> corners    = PointsCloud.FindQuadrilateralCorners(edgePoints);

                if (draw2D)
                {
                    using (var graphics = Graphics.FromImage(originalImage))
                    {
                        if (corners.Count == 4)
                        {
                            graphics.DrawLine(pen, corners[0].X, corners[0].Y, corners[1].X, corners[1].Y);
                            graphics.DrawLine(pen, corners[1].X, corners[1].Y, corners[2].X, corners[2].Y);
                            graphics.DrawLine(pen, corners[2].X, corners[2].Y, corners[3].X, corners[3].Y);
                            graphics.DrawLine(pen, corners[3].X, corners[3].Y, corners[0].X, corners[0].Y);
                            if (draw3D)
                            {
                                //Reken de afstand tussen de eerste twee hoekpunten uit
                                double Distance = Math.Sqrt((corners[3].X - corners[0].X) * (corners[3].X - corners[0].X) + (corners[3].Y - corners[0].Y) * (corners[3].Y - corners[0].Y));

                                //Convert naar integer
                                int IDistance = Convert.ToInt32(Distance);

                                //Teken alle verticale lijnen van de kubus
                                graphics.DrawLine(pen, corners[0].X, corners[0].Y, corners[0].X, corners[0].Y - IDistance);
                                graphics.DrawLine(pen, corners[1].X, corners[1].Y, corners[1].X, corners[1].Y - IDistance);
                                graphics.DrawLine(pen, corners[2].X, corners[2].Y, corners[2].X, corners[2].Y - IDistance);
                                graphics.DrawLine(pen, corners[3].X, corners[3].Y, corners[3].X, corners[3].Y - IDistance);

                                //Teken het bovenste vierkant van de kubub
                                graphics.DrawLine(pen, corners[0].X, corners[0].Y - IDistance, corners[1].X, corners[1].Y - IDistance);
                                graphics.DrawLine(pen, corners[1].X, corners[1].Y - IDistance, corners[2].X, corners[2].Y - IDistance);
                                graphics.DrawLine(pen, corners[2].X, corners[2].Y - IDistance, corners[3].X, corners[3].Y - IDistance);
                                graphics.DrawLine(pen, corners[3].X, corners[3].Y - IDistance, corners[0].X, corners[0].Y - IDistance);
                            }
                        }
                    }
                }
            }
            return(originalImage);
        }
Esempio n. 7
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        /// <summary>
        /// APPLY FILTER TO IMAGE
        /// </summary>
        /// <param name="bgSelect">TRUE, SET BACKGROUND FILTER. FALSE, SET COLONY FILTER</param>
        /// <returns></returns>
        private List <ColonyModel> ProcessIMG(bool bgSelect)
        {
            if (bgSelect)
            {
                // SET FILTER WITH BG COLOR
                FilterImgBgSelect();
            }
            else
            {
                // SET FILTER WITH COLONY COLOR
                FilterImgColonySelect();
            }

            // INIT BLOB COUNTER
            SetBlobCounter();

            blobCounter.ProcessImage(bitmapData);
            BlobCounterToList(blobCounter.GetObjectsInformation());
            bitmap.UnlockBits(bitmapData);

            // SET DISTORTION
            shapeChecker.MinAcceptableDistortion = 0.2f;
            shapeChecker.RelativeDistortionLimit = 0.2f;

            var cellLijst = new List <ColonyModel>();

            // DRAW CIRCLE AROUND BLOB
            for (int i = 0, n = blobList.Count; i < n; i++)
            {
                List <IntPoint> edgePoints = blobCounter.GetBlobsEdgePoints(blobList[i]);

                AForge.Point center;
                float        radius;

                // IF SHAPE IS CIRCLE
                if (shapeChecker.IsCircle(edgePoints, out center, out radius))
                {
                    // ADD COLONY TO LIST
                    cellLijst.Add(new ColonyModel(center, radius));
                }
            }
            this.blobList.Clear();
            return(cellLijst);
        }
Esempio n. 8
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        private void button6_Click(object sender, EventArgs e)
        {
            Bitmap image = (Bitmap)pictureBox5.Image;
            // create instance of blob counter
            BlobCounter blobCounter = new BlobCounter();

            blobCounter.FilterBlobs = true;
            blobCounter.MinHeight   = 5;
            blobCounter.MinWidth    = 5;
            blobCounter.MaxWidth    = 350;
            blobCounter.MaxHeight   = 350;
            //process the dilated image
            blobCounter.ProcessImage(image);
            // get info about detected objects
            Blob[] blobs = blobCounter.GetObjectsInformation();

            // create a graphics object to draw on the image and a pen
            Graphics g      = Graphics.FromImage(image);
            Pen      Redpen = new Pen(Color.Red, 4);

            SimpleShapeChecker shapechecker = new SimpleShapeChecker();

            //check in image and draw around the object found as rectangle
            for (int i = 0, n = blobs.Length; i < n; i++)
            {
                List <IntPoint> edgepoints = blobCounter.GetBlobsEdgePoints(blobs[i]);
                List <IntPoint> cornerpoints;
                Bitmap          bmpCrop;
                List <Point>    Points = new List <Point>();
                if (shapechecker.IsQuadrilateral(edgepoints, out cornerpoints))
                {
                    if (shapechecker.CheckPolygonSubType(cornerpoints) == PolygonSubType.Rectangle)
                    {
                        g.DrawPolygon(Redpen, cornerpoints.Select(p => new System.Drawing.Point(p.X, p.Y)).ToArray());
                    }
                }
            }

            Redpen.Dispose();
            g.Dispose();

            pictureBox6.Image = image;
        }
Esempio n. 9
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        public void GetDisplayCornerfrombmp(Bitmap processbmp, out List <IntPoint> displaycornerPoints)
        {
            BlobCounter bbc = new BlobCounter();

            bbc.FilterBlobs = true;
            bbc.MinHeight   = 5;
            bbc.MinWidth    = 5;

            bbc.ProcessImage(processbmp);

            Blob[]             blobs        = bbc.GetObjectsInformation();
            SimpleShapeChecker shapeChecker = new SimpleShapeChecker();

            foreach (var blob in blobs)
            {
                List <IntPoint> edgePoints = bbc.GetBlobsEdgePoints(blob);
                List <IntPoint> cornerPoints;

                // use the shape checker to extract the corner points
                if (shapeChecker.IsQuadrilateral(edgePoints, out cornerPoints))
                {
                    // only do things if the corners from a rectangle
                    if (shapeChecker.CheckPolygonSubType(cornerPoints) == PolygonSubType.Rectangle)
                    {
                        flagPoints = cornerPoints;
                        continue;
                    }
                    else
                    {
                        flagPoints = null;
                        continue;
                    }
                }
            }

            if (flagPoints == null)
            {
                throw new Exception();
            }
            //  MessageBox.Show("Cannot Find the Display");

            displaycornerPoints = flagPoints;
        }
        public List <PoreAnalyzeData> FindShapes(Bitmap bitmap)
        {
            Bitmap      reversedbmp = ReverseBitmapColors(bitmap);
            BlobCounter blobCounter = new BlobCounter(reversedbmp);

            Blob[] blobs = blobCounter.GetObjects(reversedbmp, false);

            PoreAnalyzeData[] poreData = new PoreAnalyzeData[blobs.Length];
            OnStart?.Invoke(this, blobs.Length);

            Parallel.For(0, blobs.Length, index =>
            {
                var edgePoints  = blobCounter.GetBlobsEdgePoints(blobs[index]);
                poreData[index] = new PoreAnalyzeData(blobs[index], ReverseBitmapColors(blobs[index].Image.ToManagedImage()), edgePoints);
                OnProgress?.Invoke(this, new EventArgs());
            });

            return(poreData.ToList());
        }
Esempio n. 11
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        public Bitmap ProcessFrame(Bitmap inputBitmap, int x, int y)
        {
            // Create an image for AForge to process
            Bitmap workingImage = new Bitmap(inputBitmap.Width, inputBitmap.Height);

            workingImage = AForge.Imaging.Image.Clone(inputBitmap, PixelFormat.Format24bppRgb);

            // Create a mask for ROI selection
            Rectangle roi = new Rectangle(x - 30, y - 30, 80, 80);

            Crop   roicrop  = new Crop(roi);
            Bitmap outimage = roicrop.Apply(workingImage);

            BlobCounter blobCounter = new BlobCounter();

            blobCounter.ObjectsOrder = ObjectsOrder.Area;

            Blob[] blobs;

            // Find the blobs
            blobCounter.ProcessImage(outimage);
            blobs = blobCounter.GetObjectsInformation();
            List <IntPoint> edgePoints = blobCounter.GetBlobsEdgePoints(blobs[0]);

            GrahamConvexHull grahamScan = new GrahamConvexHull();
            List <IntPoint>  hullPoints = grahamScan.FindHull(edgePoints);

            Graphics g      = Graphics.FromImage(outimage);
            Pen      redPen = new Pen(Color.Red, 2);

            g.DrawPolygon(redPen, ToPointsArray(hullPoints));

            //g.Clear(Color.Black);
            //g.DrawImage(handImage, x, y);
            //g.DrawRectangle(redPen, roi);
            //g.DrawEllipse(redPen, x, y, 20, 20);

            ResizeNearestNeighbor resizeFilter = new ResizeNearestNeighbor(160, 160);
            Bitmap resizedImage = resizeFilter.Apply(outimage);

            return(resizedImage);
        }
Esempio n. 12
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        // =========================================================
        private Bitmap DrawRectanglesFunct_OLD(Bitmap image)
        {
            // step 1 - turn background to black (done)

            // step 2 - locating objects
            BlobCounter blobCounter = new BlobCounter();

            blobCounter.FilterBlobs = true;
            blobCounter.MinHeight   = 3;
            blobCounter.MinWidth    = 3;
            blobCounter.ProcessImage(image);
            Blob[] blobs = blobCounter.GetObjectsInformation();

            // step 3 - check objects' type and do what you do:
            Graphics g   = Graphics.FromImage(image);
            Pen      pen = new Pen(Color.DarkOrange, 2);

            for (int i = 0, n = blobs.Length; i < n; i++)
            {
                SimpleShapeChecker ShapeChecker = new SimpleShapeChecker();
                List <IntPoint>    edgePoints   = blobCounter.GetBlobsEdgePoints(blobs[i]);
                List <IntPoint>    cornerPoints;

                // fine tune ShapeChecker
                ShapeChecker.AngleError              = 15;   // default 7
                ShapeChecker.LengthError             = 0.3F; // default 0.1 (10%)
                ShapeChecker.MinAcceptableDistortion = 0.9F; // in pixels, default 0.5
                ShapeChecker.RelativeDistortionLimit = 0.2F; // default 0.03 (3%)

                // use the Outline checker to extract the corner points
                if (ShapeChecker.IsQuadrilateral(edgePoints, out cornerPoints))
                {
                    // only do things if the corners form a rectangle
                    if (ShapeChecker.CheckPolygonSubType(cornerPoints) == PolygonSubType.Rectangle)
                    {
                        List <IntPoint> corners = PointsCloud.FindQuadrilateralCorners(edgePoints);
                        g.DrawPolygon(pen, ToPointsArray(corners));
                    }
                }
            }
            return(image);
        }
Esempio n. 13
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        public void blob_detect()
        {
            Bitmap      image = this.scanned_image;
            BlobCounter blob  = new BlobCounter();

            blob.FilterBlobs = false;

            int blob_ht_width = 30;

            blob.MinHeight = blob_ht_width;
            blob.MinWidth  = blob_ht_width;
            blob.ProcessImage(image);

            Blob[]             b            = blob.GetObjectsInformation();
            SimpleShapeChecker shapeChecker = new SimpleShapeChecker();

            /*blob_counter.Text = b.Length.ToString();
             * Graphics g = Graphics.FromImage(image2);
             * Pen yellowPen = new Pen(Color.Yellow, 5);
             * Pen redPen = new Pen(Color.Red, 5);
             * Pen greenPen = new Pen(Color.Green, 5);
             * int b_counter = 0;
             */
            for (int i = 0, n = b.Length; i < n; i++)
            {
                List <IntPoint> edgePoints = blob.GetBlobsEdgePoints(b[i]);
                List <IntPoint> edges      = new List <IntPoint>();
                AForge.Point    center;
                float           radius;

                if (shapeChecker.IsCircle(edgePoints, out center, out radius))
                {
                    if (b[i].Fullness * 100 >= 40 && b[i].Fullness * 100 < 100 && radius > 10)
                    {
                        Coordinate coor = new Coordinate(center.X, center.Y);
                        BLOB       blb  = new BLOB(coor, radius);
                        useful.Add(blb);
                    }
                }
            }
        }
Esempio n. 14
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        /// <summary>
        /// 扑克识别
        /// </summary>
        /// <param name="bmp"></param>
        public void PokerDetection(Bitmap bmp)
        {
            FiltersSequence seq = new FiltersSequence();

            seq.Add(Grayscale.CommonAlgorithms.BT709); // 添加灰度滤镜
            seq.Add(new OtsuThreshold());              // 添加二值化滤镜
            bmp = seq.Apply(bmp);                      // 应用滤镜

            // 从图像中提取宽度和高度大于150的blob
            BlobCounter extractor = new BlobCounter();

            extractor.FilterBlobs = true;
            extractor.MinWidth    = extractor.MinHeight = 150;
            extractor.MaxWidth    = extractor.MaxHeight = 350;
            extractor.ProcessImage(bmp);

            // 用于从原始图像提取扑克牌
            QuadrilateralTransformation quadTransformer = new QuadrilateralTransformation();
            int CardWidth  = 200;
            int CardHeight = 300;
            // 用于调整扑克牌大小
            ResizeBilinear resizer = new ResizeBilinear(CardWidth, CardHeight);

            foreach (Blob blob in extractor.GetObjectsInformation())
            {
                // 获取扑克牌的边缘点
                List <IntPoint> edgePoints = extractor.GetBlobsEdgePoints(blob);
                // 利用边缘点,在原始图像上找到四角
                List <IntPoint> corners = PointsCloud.FindQuadrilateralCorners(edgePoints);
                Bitmap          cardImg = quadTransformer.Apply(bmp);    // 提取扑克牌图像

                if (cardImg.Width > cardImg.Height)                      // 如果扑克牌横放
                {
                    cardImg.RotateFlip(RotateFlipType.Rotate90FlipNone); // 旋转之
                }
                cardImg = resizer.Apply(cardImg);                        // 归一化(重设大小)扑克牌
                RefreshBitmap(3, cardImg);
            }
        }
Esempio n. 15
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        public static IntPoint[] DetectSurface(Bitmap image)
        {
            var blobCounter = new BlobCounter
            {
                FilterBlobs = true,
                MinHeight   = 10,
                MinWidth    = 10
            };

            var shapes       = new List <Shape>();
            var shapeChecker = new SimpleShapeChecker();

            var threshold = GetThreshold(image);

            blobCounter.BackgroundThreshold = Color.FromArgb(255, threshold, threshold, threshold);
            blobCounter.ProcessImage(image);
            var blobs = blobCounter.GetObjectsInformation();

            foreach (var blob in blobs)
            {
                if (blob.Fullness >= 1)
                {
                    continue;
                }
                var edgePoints = blobCounter.GetBlobsEdgePoints(blob);
                if (shapeChecker.IsQuadrilateral(edgePoints, out List <IntPoint> corners))
                {
                    shapes.Add(new Shape {
                        Blob = blob, Corners = corners
                    });
                }
            }

            var bestShape = shapes.OrderBy(s => s.Blob.Area)
                            .Skip(shapes.Count / 2)
                            .Take(1).FirstOrDefault();

            return(bestShape?.Corners?.ToArray());
        }
Esempio n. 16
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        private static void DrawMainObjectEdges(ref Bitmap mainObject, BlobCounter blobCounter)
        {
            List <IntPoint> corners = new();
            // create convex hull searching algorithm
            GrahamConvexHull hullFinder = new();

            foreach (Blob blob in blobCounter.GetObjectsInformation())
            {
                // get blob's edge points
                List <IntPoint> edgePoints = blobCounter.GetBlobsEdgePoints(blob);
                corners.AddRange(edgePoints);
                // blob's convex hull
                corners = hullFinder.FindHull(corners);
            }

            if (corners.Any())
            {
                //using (Graphics g = Graphics.FromImage(mainObject))
                //using (Pen pen = new Pen(Color.FromArgb(160, 255, 160), 3))
                //{
                //    g.DrawPolygon(pen, corners.Select(c => new Point(c.X, c.Y)).ToArray());
                //}

                GraphicsPath graphicsPath = new();
                graphicsPath.AddPolygon(corners.Select(c => new Point(c.X, c.Y)).ToArray());
                RectangleF mainObjectBounds = graphicsPath.GetBounds();

                Region clipRegion = new(graphicsPath);
                clipRegion.Translate(-mainObjectBounds.X, -mainObjectBounds.Y);

                Bitmap clippedImage = new((int)mainObjectBounds.Width, (int)mainObjectBounds.Height);                   //, PixelFormat.Format32bppArgb);
                using var g = Graphics.FromImage(clippedImage);
                g.Clip      = clipRegion;                                                                               // restrict drawing region
                g.DrawImage(mainObject, -mainObjectBounds.X, -mainObjectBounds.Y, mainObject.Width, mainObject.Height); // draw clipped

                mainObject = clippedImage;
            }
        }
Esempio n. 17
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        public void FindContourTest()
        {
            Bitmap bmp = Properties.Resources.sample_black;

            Bitmap gray = AForge.Imaging.Filters.Grayscale.CommonAlgorithms.BT709.Apply(bmp);

            BlobCounter bc = new BlobCounter(gray);
            bc.ObjectsOrder = ObjectsOrder.Size;
            Blob[] blobs = bc.GetObjectsInformation();
            bc.ExtractBlobsImage(bmp, blobs[0], true);
            List<IntPoint> expected = bc.GetBlobsEdgePoints(blobs[0]);
            Bitmap blob = blobs[0].Image.ToManagedImage();

            BorderFollowing bf = new BorderFollowing();
            List<IntPoint> actual = bf.FindContour(blob);

            Assert.AreEqual(expected.Count, actual.Count);

            foreach (IntPoint point in expected)
                Assert.IsTrue(actual.Contains(point));

            foreach (IntPoint point in actual)
                Assert.IsTrue(expected.Contains(point));

            IntPoint prev = actual[0];
            for (int i = 1; i < actual.Count; i++)
            {
                IntPoint curr = actual[i];
                Assert.IsTrue(System.Math.Abs(prev.X - curr.X) <= 1 &&
                              System.Math.Abs(prev.Y - curr.Y) <= 1);
                prev = curr;
            }

            IntPoint first = actual[0];
            IntPoint last = actual[actual.Count - 1];
            Assert.IsTrue(System.Math.Abs(first.X - last.X) <= 1 &&
                          System.Math.Abs(first.Y - last.Y) <= 1);
        }
Esempio n. 18
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        public List <List <System.Drawing.Point> > GetEdges()
        {
            // 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);
            List <List <System.Drawing.Point> > edges = new List <List <System.Drawing.Point> >();

            for (int i = 0; i < blobs.Length; i++)
            {
                List <IntPoint>             edgePoints       = blobCounter.GetBlobsEdgePoints(blobs[i]);
                List <System.Drawing.Point> edgePointsNormal = ToPointsArray(edgePoints);
                edges.Add(edgePointsNormal);
            }
            return(edges);
        }
Esempio n. 19
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        /// <summary>
        /// Finds circles - zoom is NOT compensated for in returned results
        /// </summary>
        /// <returns>Graphic coordinates with zoom not accounted for for found circles</returns>
        public static List <Shapes.Circle> FindCircles(VideoProcessing vp, Bitmap frame)
        {
            // locating objects
            if (frame == null)
            {
                return(null);
            }
            BlobCounter blobCounter = new BlobCounter();

            blobCounter.FilterBlobs = true;
            blobCounter.MinHeight   = 5;
            blobCounter.MinWidth    = 5;
            blobCounter.ProcessImage(frame);
            Blob[] blobs = blobCounter.GetObjectsInformation();

            List <Shapes.Circle> Circles = new List <Shapes.Circle>();

            for (int i = 0, n = blobs.Length; i < n; i++)
            {
                SimpleShapeChecker shapeChecker = new SimpleShapeChecker();
                List <IntPoint>    edgePoints   = blobCounter.GetBlobsEdgePoints(blobs[i]);
                Point center;
                float radius;

                // is circle ?
                if (shapeChecker.IsCircle(edgePoints, out center, out radius))
                {
                    if (radius > 3)    // filter out some noise
                    {
                        var circle = new Shapes.Circle(center.X, center.Y, radius);
                        Circles.Add(circle);
                    }
                }
            }
            SetVideoProcessing(Circles, vp);
            return(Circles);
        }
Esempio n. 20
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        private static Bitmap ClipMainObject(Bitmap image, BlobCounter blobCounter)
        {
            List <IntPoint> corners = new();

            // Create convex hull searching algorithm
            GrahamConvexHull hullFinder = new();

            foreach (Blob blob in blobCounter.GetObjectsInformation())
            {
                // Get blob's edge points
                List <IntPoint> edgePoints = blobCounter.GetBlobsEdgePoints(blob);
                corners.AddRange(edgePoints);

                // Blob's convex hull
                corners = hullFinder.FindHull(corners);
            }

            if (corners.Any())
            {
                GraphicsPath graphicsPath = new GraphicsPath();
                graphicsPath.AddPolygon(corners.Select(c => new Point(c.X, c.Y)).ToArray());
                RectangleF mainObjectBounds = graphicsPath.GetBounds();

                // Move region to top left corner
                Region clipRegion = new Region(graphicsPath);
                clipRegion.Translate(-mainObjectBounds.X, -mainObjectBounds.Y);

                // Draw selected region
                Bitmap clippedImage = new((int)mainObjectBounds.Width, (int)mainObjectBounds.Height);    //, PixelFormat.Format32bppArgb);
                using var g = Graphics.FromImage(clippedImage);
                g.Clip      = clipRegion;                                                                // Restrict drawing region
                g.DrawImage(image, -mainObjectBounds.X, -mainObjectBounds.Y, image.Width, image.Height); // Draw clipped
                return(clippedImage);
            }

            return(image);
        }
Esempio n. 21
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        public void FindContourTest2()
        {
            Bitmap bmp = Properties.Resources.hand2;

            BlobCounter bc = new BlobCounter(bmp);

            bc.ObjectsOrder = ObjectsOrder.Size;
            Blob[] blobs = bc.GetObjectsInformation();
            bc.ExtractBlobsImage(bmp, blobs[0], true);
            List <IntPoint> expected = bc.GetBlobsEdgePoints(blobs[0]);
            Bitmap          blob     = blobs[0].Image.ToManagedImage();

            BorderFollowing bf     = new BorderFollowing();
            List <IntPoint> actual = bf.FindContour(blob);

            foreach (IntPoint point in expected)
            {
                Assert.IsTrue(actual.Contains(point));
            }

            IntPoint prev = actual[0];

            for (int i = 1; i < actual.Count; i++)
            {
                IntPoint curr = actual[i];
                Assert.IsTrue(System.Math.Abs(prev.X - curr.X) <= 1 &&
                              System.Math.Abs(prev.Y - curr.Y) <= 1);
                prev = curr;
            }

            IntPoint first = actual[0];
            IntPoint last  = actual[actual.Count - 1];

            Assert.IsTrue(System.Math.Abs(first.X - last.X) <= 1 &&
                          System.Math.Abs(first.Y - last.Y) <= 1);
        }
Esempio n. 22
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        public List <IntPoint> GetDisplayCorner(Bitmap bitmap)
        {
            BlobCounter bbc = new BlobCounter();

            bbc.FilterBlobs = true;
            bbc.MinHeight   = 5;
            bbc.MinWidth    = 5;
            bbc.ProcessImage(bitmap);

            Blob[]             blobs        = bbc.GetObjectsInformation();
            SimpleShapeChecker shapeChecker = new SimpleShapeChecker();

            foreach (var blob in blobs)
            {
                List <IntPoint> edgePoints = bbc.GetBlobsEdgePoints(blob);
                List <IntPoint> cornerPoints;

                // use the shape checker to extract the corner points
                if (shapeChecker.IsQuadrilateral(edgePoints, out cornerPoints))
                {
                    // only do things if the corners from a rectangle
                    if (shapeChecker.CheckPolygonSubType(cornerPoints) == PolygonSubType.Rectangle)
                    {
                        flagPoints = cornerPoints;
                        continue;
                    }
                    else
                    {
                        flagPoints = null;
                        continue;
                    }
                }
            }

            return(flagPoints);
        }
        private void process_image(PictureBox box, bool toinvert)
        {
            Bitmap original = (Bitmap)Bitmap.FromFile(_fname);

            original.Save("C:\\users\\alberto geniola\\desktop\\dbg\\original_" + toinvert + ".bmp");

            // Setup the Blob counter
            BlobCounter blobCounter = new BlobCounter();

            blobCounter.BackgroundThreshold  = Color.FromArgb(10, 10, 10);
            blobCounter.FilterBlobs          = true;
            blobCounter.CoupledSizeFiltering = false;
            blobCounter.MinHeight            = minHeight;
            blobCounter.MinWidth             = minWidth;

            List <Blob> blobs = new List <Blob>();

            // Button scanning
            // Apply the grayscale. This is needed for AForge's filters
            using (Bitmap grey_scaled = Grayscale.CommonAlgorithms.BT709.Apply(original))
            {
                // Invert the image if requested
                if (toinvert)
                {
                    Invert invert = new Invert();
                    invert.ApplyInPlace(grey_scaled);
                }

                using (Bitmap t1 = new Threshold(64).Apply(grey_scaled))
                {
                    using (var tmp = new Bitmap(t1.Width, t1.Height))
                    {
                        using (Graphics g = Graphics.FromImage(tmp))
                        {
                            g.DrawImage(t1, 0, 0);
                        }

                        tmp.Save("C:\\users\\alberto geniola\\desktop\\dbg\\filtered_" + toinvert + ".bmp");

                        // The blob counter will analyze the bitmap looking for shapes
                        blobCounter.ProcessImage(tmp);
                        var tmparr = blobCounter.GetObjectsInformation();
                        blobs.AddRange(tmparr);

                        for (int i = 0, n = tmparr.Length; i < n; i++)
                        {
                            List <IntPoint> edgePoints = blobCounter.GetBlobsEdgePoints(blobs[i]);
                            if (edgePoints.Count > 1)
                            {
                                IntPoint p0, p1;
                                PointsCloud.GetBoundingRectangle(edgePoints, out p0, out p1);
                                var r = new Rectangle(p0.X, p0.Y, p1.X - p0.X, p1.Y - p0.Y);

                                // Skip any shape representing the border of the whole window ( +10px padding)
                                if (r.Width >= (original.Width - 10))
                                {
                                    continue;
                                }

                                using (var g = Graphics.FromImage(tmp))
                                {
                                    g.DrawRectangle(_marker, r);
                                }
                            }
                        }

                        tmp.Save("C:\\users\\alberto geniola\\desktop\\dbg\\processed_" + toinvert + ".bmp");
                    }
                }

                using (Bitmap t2 = new SISThreshold().Apply(grey_scaled))
                {
                    using (var tmp = new Bitmap(t2.Width, t2.Height))
                    {
                        using (Graphics g = Graphics.FromImage(tmp))
                        {
                            g.DrawImage(t2, 0, 0);
                        }
                        tmp.Save("C:\\users\\alberto geniola\\desktop\\dbg\\t2_" + toinvert + ".bmp");
                        // The blob counter will analyze the bitmap looking for shapes
                        blobCounter.ProcessImage(tmp);
                        var tmparr = blobCounter.GetObjectsInformation();
                        blobs.AddRange(tmparr);

                        for (int i = 0, n = tmparr.Length; i < n; i++)
                        {
                            List <IntPoint> edgePoints = blobCounter.GetBlobsEdgePoints(blobs[i]);
                            if (edgePoints.Count > 1)
                            {
                                IntPoint p0, p1;
                                PointsCloud.GetBoundingRectangle(edgePoints, out p0, out p1);
                                var r = new Rectangle(p0.X, p0.Y, p1.X - p0.X, p1.Y - p0.Y);

                                // Skip any shape representing the border of the whole window ( +10px padding)
                                if (r.Width >= (original.Width - 10))
                                {
                                    continue;
                                }

                                using (var g = Graphics.FromImage(tmp))
                                {
                                    g.DrawRectangle(_marker, r);
                                }
                            }
                        }

                        tmp.Save("C:\\users\\alberto geniola\\desktop\\dbg\\t1_" + toinvert + ".bmp");
                    }
                }
            }


            Bitmap test = (Bitmap)original.Clone();

            // Let's analyze every single shape
            for (int i = 0, n = blobs.Count; i < n; i++)
            {
                List <IntPoint> edgePoints = blobCounter.GetBlobsEdgePoints(blobs[i]);
                if (edgePoints.Count > 1)
                {
                    IntPoint p0, p1;
                    PointsCloud.GetBoundingRectangle(edgePoints, out p0, out p1);
                    var r = new Rectangle(p0.X, p0.Y, p1.X - p0.X, p1.Y - p0.Y);

                    // Skip any shape representing the border of the whole window ( +10px padding)
                    if (r.Width >= (original.Width - 10))
                    {
                        continue;
                    }

                    using (var g = Graphics.FromImage(test))
                    {
                        g.DrawRectangle(_marker, r);
                    }

                    // This is most-likely a button!
                    // Crop the image and pass it to the OCR engine for text recognition
                    using (Bitmap button = new Bitmap(r.Width, r.Height))
                    {
                        // Scan the original shape
                        String txt = null;
                        using (var g1 = Graphics.FromImage(button))
                        {
                            g1.DrawImage(original, 0, 0, r, GraphicsUnit.Pixel);
                        }

                        // Process OCR on that image
                        txt = scanButton(button);

                        if (String.IsNullOrEmpty(txt))
                        {
                            using (Bitmap tmp = Grayscale.CommonAlgorithms.BT709.Apply(button))
                            {
                                if (toinvert)
                                {
                                    new Invert().ApplyInPlace(tmp);
                                }

                                new SISThreshold().ApplyInPlace(tmp);
                                txt = scanButton(tmp);
                            }
                        }

                        // If still nothing is found, repeat the analysis with the second version of the filter
                        if (String.IsNullOrEmpty(txt))
                        {
                            using (Bitmap tmp = Grayscale.CommonAlgorithms.BT709.Apply(button))
                            {
                                if (toinvert)
                                {
                                    new Invert().ApplyInPlace(tmp);
                                }
                                new Threshold(64).ApplyInPlace(tmp);
                                txt = scanButton(tmp);
                            }
                        }

                        if (!String.IsNullOrEmpty(txt))
                        {
                            using (var g = Graphics.FromImage(test))
                            {
                                int    SPACING = 5;
                                double angle   = 45 * 2 * Math.PI / 360; // 45 degrees to radiants
                                for (int x = 0; x < r.Width; x += SPACING)
                                {
                                    PointF start = new PointF(r.X + x, r.Y);
                                    PointF end   = new PointF((float)(r.X + x + r.Height * Math.Tan(angle)), r.Y + r.Height);
                                    if (end.X > (r.X + r.Width))
                                    {
                                        // Calculate midpoint
                                        var delta = end.X - r.Width;
                                        end.X = r.X + r.Width;
                                        end.Y = r.Y + (float)(Math.Tan(angle) * r.Width) - x;

                                        // Draw the overflow line
                                        g.DrawLine(_marker2, r.X, end.Y, delta, r.Y + r.Height);
                                    }

                                    g.DrawLine(_marker2, start, end);
                                }

                                g.FillRectangle(_b, r);
                                var dim = g.MeasureString(txt.Trim(), _f);
                                g.DrawString(txt.Trim().ToUpper(), _f, _b2, r.X + (r.Width - dim.Width) / 2, r.Y + (r.Height - dim.Height) / 2);
                            }
                        }

                        test.Save("C:\\users\\alberto geniola\\desktop\\dbg\\processed_" + toinvert + ".bmp");

                        /*
                         * // At this point we should have a result. Add it to list if it does not overlap any UIAutomated element
                         * UIControlCandidate t = new UIControlCandidate();
                         * t.PositionWindowRelative = r;
                         * var winLoc = w.WindowLocation;
                         * t.PositionScreenRelative = new Rectangle(r.X + winLoc.X, r.Y + winLoc.Y, r.Width, r.Height);
                         * t.Text = txt;
                         * t.Score = policy.RankElement(t);
                         *
                         * // If the item falls into the same area of a UI element, ignore it.
                         * bool overlaps = false;
                         * foreach (var el in res)
                         * {
                         *  if (el.AutoElementRef != null && el.PositionScreenRelative.IntersectsWith(t.PositionScreenRelative))
                         *  {
                         *      overlaps = true;
                         *      break;
                         *  }
                         * }
                         * if (!overlaps)
                         *  res.Add(t);
                         */
                    }
                }

                box.Image = test;
            }
        }
Esempio n. 24
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        /// <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;
        }
        private async Task CalibThread(FrameReadyEventArgs e)
        {
            Debug.WriteLine("Calibrating " + _calibrationStep + " " + _drawing);
            e.Frame.Bitmap.Save(@"C:\temp\daforge\src\img" + (_calibrationStep < 10?"0":"") + _calibrationStep + "-" + (_drawing?"1":"0") + "-" + _errors + ".jpg", ImageFormat.Jpeg);
            if (_errors > 100)
            {
                //calibration not possible
                return;
            }
            if (_calibrationStep == CalibrationFrames && !_drawing)
            {
                _cc.FrameReady -= BaseCalibration; // TODO
                //Grid.Calculate();
                _vs.Close();
                CalibrationCompleted(this, new EventArgs());
            }
            else
            {
                if (_calibrationStep > 2)
                {
                    if (_drawing)
                    {
                        // draw diffimage
                        _drawing = false;
                        _vs.Clear();
                        FillRects();
                        diffFilter.OverlayImage = e.Frame.Bitmap;
                    }
                    else
                    {
                        // analyse diffimage
                        _calibrationStep++;
                        _drawing = true;
                        _vs.Clear();
                        FillRects();
                        _calibrationStep--;
                        var gbm = diffFilter.Apply(e.Frame.Bitmap);
                        gbm.Save(@"C:\temp\daforge\diff\img" + _calibrationStep + ".jpg", ImageFormat.Jpeg);
#if DEBUG
                        actImg = (Bitmap)gbm.Clone();
#endif
                        var d     = UnmanagedImage.FromManagedImage(gbm);
                        var stats = new ImageStatistics(d);
                        var gcf   = new ColorFiltering(new IntRange(0, 255),
                                                       new IntRange((int)(stats.GreenWithoutBlack.Mean + stats.GreenWithoutBlack.StdDev + 5), 255),
                                                       new IntRange(0, 255));
                        var bcf = new ColorFiltering(new IntRange(0, 255),
                                                     new IntRange(0, 255),
                                                     new IntRange((int)(stats.BlueWithoutBlack.Mean + stats.BlueWithoutBlack.StdDev), 255));
                        //Debug.WriteLine("Green: " + stats.GreenWithoutBlack.Median + " Blue: " + stats.BlueWithoutBlack.Median);
                        //Debug.WriteLine("Green: " + stats.GreenWithoutBlack.Mean + " Blue: " + stats.BlueWithoutBlack.Mean);
                        var bf = new Difference(gcf.Apply(d));
                        bcf.ApplyInPlace(d);
                        bf.ApplyInPlace(d);
                        d.ToManagedImage().Save(@"C:\temp\daforge\diff\img" + _calibrationStep + ".jpg", ImageFormat.Jpeg);
                        stats = new ImageStatistics(d);
                        gcf   = new ColorFiltering(new IntRange(0, 255),
                                                   new IntRange((int)stats.GreenWithoutBlack.Mean, 255),
                                                   new IntRange(0, 255));
                        bcf = new ColorFiltering(new IntRange(0, 255),
                                                 new IntRange(0, 255),
                                                 new IntRange((int)stats.BlueWithoutBlack.Mean, 255));
                        // split channels
                        var bbm = bcf.Apply(d);
                        bbm.ToManagedImage().Save(@"C:\temp\daforge\bimg\img" + _calibrationStep + ".jpg", ImageFormat.Bmp);
                        gcf.ApplyInPlace(d);
                        d.ToManagedImage().Save(@"C:\temp\daforge\gimg\img" + _calibrationStep + ".jpg", ImageFormat.Bmp);
                        var gblobCounter = new BlobCounter
                        {
                            ObjectsOrder         = ObjectsOrder.YX,
                            MaxHeight            = 60,
                            MinHeight            = 15,
                            MaxWidth             = 60,
                            MinWidth             = 15,
                            FilterBlobs          = true,
                            CoupledSizeFiltering = false
                        };
                        gblobCounter.ProcessImage(d);
                        var bblobCounter = new BlobCounter
                        {
                            ObjectsOrder         = ObjectsOrder.YX,
                            MaxHeight            = 60,
                            MinHeight            = 15,
                            MaxWidth             = 60,
                            MinWidth             = 15,
                            FilterBlobs          = true,
                            CoupledSizeFiltering = false
                        };
                        bblobCounter.ProcessImage(bbm);
                        ProcessBlobs(gblobCounter, 0);
                        ProcessBlobs(bblobCounter, 1);
#if DEBUG
                        actImg.Save(@"C:\temp\daforge\squares\img" + _calibrationStep + ".jpg", ImageFormat.Jpeg);
#endif
                        _calibrationStep++;
                    }
                }
                else
                {
                    switch (_calibrationStep)
                    {
                    case 2:
                        var bm = UnmanagedImage.FromManagedImage(e.Frame.Bitmap);
                        //diffFilter.OverlayImage.Save(@"C:\temp\daforge\diff\src" + _errors + ".jpg", ImageFormat.Jpeg);
                        bm = diffFilter.Apply(bm);
                        var gf = new GaussianBlur(9.0, 3);
                        gf.ApplyInPlace(bm);
                        var cf = new ColorFiltering(new IntRange(10, 255), new IntRange(20, 255),
                                                    new IntRange(20, 255));
                        cf.ApplyInPlace(bm);
                        var blobCounter = new BlobCounter {
                            ObjectsOrder = ObjectsOrder.Size, BackgroundThreshold = Color.FromArgb(255, 15, 20, 20), FilterBlobs = true
                        };
                        blobCounter.ProcessImage(bm);
                        bm.ToManagedImage().Save(@"C:\temp\daforge\diff\img" + _calibrationStep + "-" + _errors + ".jpg", ImageFormat.Jpeg);
                        var blobs = blobCounter.GetObjectsInformation();
                        if (blobs.Any())
                        {
                            int             i = 0;
                            List <IntPoint> corners;
                            do
                            {
                                corners =
                                    PointsCloud.FindQuadrilateralCorners(blobCounter.GetBlobsEdgePoints(blobs[i++]));
                            } while (corners.Count != 4);
                            RecursiveAForgeCalibrator.GridBlobs.InPlaceSort(corners);
                            Grid.TopLeft     = new Point(corners[0].X, corners[0].Y);
                            Grid.TopRight    = new Point(corners[1].X, corners[1].Y);
                            Grid.BottomLeft  = new Point(corners[2].X, corners[2].Y);
                            Grid.BottomRight = new Point(corners[3].X, corners[3].Y);
                            if (Grid.TopLeft.X > 10 && Grid.TopRight.X < _vs.Width - 5 && Grid.BottomLeft.X > 5 &&
                                Grid.BottomRight.X < _vs.Width - 5 && Grid.TopLeft.Y > 10 && Grid.TopRight.Y > 5 &&
                                Grid.BottomLeft.Y < _vs.Height - 5 && Grid.BottomRight.Y < _vs.Height - 5 &&
                                Grid.TopLeft.X < Grid.BottomRight.X && blobs[i - 1].Area > 60000 &&
                                Grid.BottomLeft.X < Grid.TopRight.X && Grid.BottomLeft.X < Grid.BottomRight.X &&
                                Grid.TopLeft.Y < Grid.BottomLeft.Y && Grid.TopLeft.Y < Grid.BottomRight.Y &&
                                Grid.TopRight.Y < Grid.BottomLeft.Y && Grid.TopRight.Y < Grid.BottomRight.Y)
                            {
                                _calibrationStep++;
                                _drawing = true;
                                _vs.Clear();
                                FillRects();
                                Grid.AddPoint(new Point(), new Point(corners[0].X, corners[0].Y));
                                Grid.AddPoint(new Point(0, _vs.Height), new Point(corners[1].X, corners[1].Y));
                                Grid.AddPoint(new Point(_vs.Width, 0), new Point(corners[2].X, corners[2].Y));
                                Grid.AddPoint(new Point(_vs.Width, _vs.Height),
                                              new Point(corners[3].X, corners[3].Y));
                                //_mapper.PredictFromCorners();
                            }
                            else
                            {
                                _calibrationStep = 0;
                                _errors++;
                            }
                        }
                        else
                        {
                            _calibrationStep = 0;
                            _errors++;
                            _vs.Draw();
                        }
                        break;

                    case 1:
                        diffFilter.OverlayImage = e.Frame.Bitmap;
                        //diffFilter.OverlayImage.Save(@"C:\temp\daforge\diff\srcf" + _errors + ".jpg", ImageFormat.Jpeg);
                        //_vs.AddRect(0, 0, (int) _vs.Width, (int) _vs.Height, Color.FromArgb(255, 255, 255, 255));
                        _vs.Clear();
                        for (int y = 0; y < Columncount; y++)
                        {
                            for (int x = 0; x < Rowcount; x++)
                            {
                                if (!(y % 2 == 0 && x % 2 == 0 || y % 2 == 1 && x % 2 == 1))
                                {
                                    _vs.AddRect((int)(x * _sqrwidth), (int)(y * _sqrheight),
                                                (int)_sqrwidth, (int)_sqrheight,
                                                Color.FromArgb(255, 255, 255, 255));
                                }
                            }
                        }
                        _vs.Draw();
                        _calibrationStep++;
                        break;

                    case 0:
                        Grid            = new Grid(e.Frame.Bitmap.Width, e.Frame.Bitmap.Height);
                        Grid.ScreenSize = new Rectangle(0, 0, _vs.Width, _vs.Height);
                        _mapper         = new CornerBarycentricMapper(Grid);
                        var thread = new Thread(() =>
                        {
                            _vs.Show();
                            _vs.AddRect(0, 0, _vs.Width, _vs.Height, Color.FromArgb(255, 0, 0, 0));
                        });
                        thread.SetApartmentState(ApartmentState.STA);
                        thread.Start();
                        thread.Join();
                        for (int y = 0; y < Columncount; y++)
                        {
                            for (int x = 0; x < Rowcount; x++)
                            {
                                if (y % 2 == 0 && x % 2 == 0 || y % 2 == 1 && x % 2 == 1)
                                {
                                    _vs.AddRect((int)(x * _sqrwidth), (int)(y * _sqrheight),
                                                (int)_sqrwidth, (int)_sqrheight,
                                                Color.FromArgb(255, 255, 255, 255));
                                }
                            }
                        }
                        _vs.Draw();
                        _calibrationStep++;
                        break;
                    }
                }
            }
            Debug.WriteLine("Releasing");
            await Task.Delay(500);

            _sem.Release();
        }
        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;
        }
Esempio n. 27
0
        public void FindContourTest2()
        {
            Bitmap bmp = Properties.Resources.hand2;

            BlobCounter bc = new BlobCounter(bmp);
            bc.ObjectsOrder = ObjectsOrder.Size;
            Blob[] blobs = bc.GetObjectsInformation();
            bc.ExtractBlobsImage(bmp, blobs[0], true);
            List<IntPoint> expected = bc.GetBlobsEdgePoints(blobs[0]);
            Bitmap blob = blobs[0].Image.ToManagedImage();

            BorderFollowing bf = new BorderFollowing();
            List<IntPoint> actual = bf.FindContour(blob);

            foreach (IntPoint point in expected)
                Assert.IsTrue(actual.Contains(point));

            IntPoint prev = actual[0];
            for (int i = 1; i < actual.Count; i++)
            {
                IntPoint curr = actual[i];
                Assert.IsTrue(System.Math.Abs(prev.X - curr.X) <= 1 &&
                              System.Math.Abs(prev.Y - curr.Y) <= 1);
                prev = curr;
            }

            IntPoint first = actual[0];
            IntPoint last = actual[actual.Count - 1];
            Assert.IsTrue(System.Math.Abs(first.X - last.X) <= 1 &&
                          System.Math.Abs(first.Y - last.Y) <= 1);
        }
        private async Task CalibThread(FrameReadyEventArgs e)
        {
            try
            {
                if (_errors > MaxErrorCount)
                {
                    _cc.FrameReady -= BaseCalibration;
                    _vs.Close();
                    Console.WriteLine("Calibration impossible");
                }
                if (_calibrationStep == CalibrationFrames)
                {
                    _cc.FrameReady -= BaseCalibration;
                    _vs.Close();
                    Console.WriteLine("Calibration complete");
                    CalibrationCompleted(this, new EventArgs());
                }
                else
                {
                    switch (_calibrationStep)
                    {
                    // get the corners from the difference image
                    case 2:
                        var bm = UnmanagedImage.FromManagedImage(e.Frame.Bitmap);
                        bm = _diffFilter.Apply(bm);
                        var gf = new GaussianBlur(9.0, 3);
                        gf.ApplyInPlace(bm);
                        var cf = new ColorFiltering(new IntRange(10, 255), new IntRange(20, 255),
                                                    new IntRange(20, 255));
                        cf.ApplyInPlace(bm);
                        var blobCounter = new BlobCounter
                        {
                            ObjectsOrder        = ObjectsOrder.Size,
                            BackgroundThreshold = Color.FromArgb(255, 15, 20, 20),
                            FilterBlobs         = true
                        };
                        blobCounter.ProcessImage(bm);
                        var blobs = blobCounter.GetObjectsInformation();
                        if (blobs.Any())
                        {
                            int             i = 0;
                            List <IntPoint> corners;
                            do
                            {
                                corners =
                                    PointsCloud.FindQuadrilateralCorners(blobCounter.GetBlobsEdgePoints(blobs[i++]));
                            } while (corners.Count != 4);
                            InPlaceSort(corners);
                            Grid.TopLeft     = new Point(corners[0].X, corners[0].Y);
                            Grid.TopRight    = new Point(corners[1].X, corners[1].Y);
                            Grid.BottomLeft  = new Point(corners[2].X, corners[2].Y);
                            Grid.BottomRight = new Point(corners[3].X, corners[3].Y);
                            if (Grid.TopLeft.X > 10 && Grid.TopRight.X < _vs.Width - 5 && Grid.BottomLeft.X > 5 &&
                                Grid.BottomRight.X < _vs.Width - 5 && Grid.TopLeft.Y > 10 && Grid.TopRight.Y > 5 &&
                                Grid.BottomLeft.Y < _vs.Height - 5 && Grid.BottomRight.Y < _vs.Height - 5 &&
                                Grid.TopLeft.X < Grid.BottomRight.X &&     //blobs[i - 1].Area > 60000 &&
                                Grid.BottomLeft.X < Grid.TopRight.X && Grid.BottomLeft.X < Grid.BottomRight.X &&
                                Grid.TopLeft.Y < Grid.BottomLeft.Y && Grid.TopLeft.Y < Grid.BottomRight.Y &&
                                Grid.TopRight.Y < Grid.BottomLeft.Y && Grid.TopRight.Y < Grid.BottomRight.Y)
                            {
                                _calibrationStep++;
                                _vs.Clear();
                                Grid.AddPoint(new Point(), new Point(corners[0].X, corners[0].Y));
                                Grid.AddPoint(new Point(0, _vs.Height), new Point(corners[1].X, corners[1].Y));
                                Grid.AddPoint(new Point(_vs.Width, 0), new Point(corners[2].X, corners[2].Y));
                                Grid.AddPoint(new Point(_vs.Width, _vs.Height),
                                              new Point(corners[3].X, corners[3].Y));
                            }
                            else
                            {
                                _calibrationStep = 0;
                                _errors++;
                            }
                        }
                        else
                        {
                            _calibrationStep = 0;
                            _errors++;
                            _vs.Draw();
                        }
                        break;

                    case 1:     // draw second image, store the first
                        _diffFilter.OverlayImage = e.Frame.Bitmap;
                        _vs.Clear();
                        for (int y = 0; y < Columncount; y++)
                        {
                            for (int x = 0; x < Rowcount; x++)
                            {
                                if (!(y % 2 == 0 && x % 2 == 0 || y % 2 == 1 && x % 2 == 1))
                                {
                                    _vs.AddRect((int)(x * _sqrwidth), (int)(y * _sqrheight),
                                                (int)_sqrwidth, (int)_sqrheight,
                                                Color.FromArgb(255, 255, 255, 255));
                                }
                            }
                        }
                        _vs.Draw();
                        _calibrationStep++;
                        break;

                    //draw the first image
                    case 0:
                        Grid = new Grid(e.Frame.Bitmap.Width, e.Frame.Bitmap.Height)
                        {
                            ScreenSize = new Rectangle(0, 0, _vs.Width, _vs.Height)
                        };
                        var thread = new Thread(() =>
                        {
                            _vs.Show();
                            _vs.AddRect(0, 0, _vs.Width, _vs.Height, Color.FromArgb(255, 0, 0, 0));
                        });
                        thread.SetApartmentState(ApartmentState.STA);
                        thread.Start();
                        thread.Join();
                        for (int y = 0; y < Columncount; y++)
                        {
                            for (int x = 0; x < Rowcount; x++)
                            {
                                if (y % 2 == 0 && x % 2 == 0 || y % 2 == 1 && x % 2 == 1)
                                {
                                    _vs.AddRect((int)(x * _sqrwidth), (int)(y * _sqrheight),
                                                (int)_sqrwidth, (int)_sqrheight,
                                                Color.FromArgb(255, 255, 255, 255));
                                }
                            }
                        }
                        _vs.Draw();
                        _calibrationStep++;
                        break;
                    }
                }
                await Task.Delay(MillisecondsDelay);
            }
            finally
            {
                _sem.Release();
            }
        }
        public List <Spot> DetectBlobs()
        {
            BlobCounterBase counter = new BlobCounter {
                FilterBlobs  = true,
                MinHeight    = minHeight,
                MinWidth     = minWidth,
                ObjectsOrder = ObjectsOrder.Area
            };

            counter.ProcessImage(image);
            Blob[] blobs = counter.GetObjectsInformation();

            List <Spot> spots = new List <Spot>();

            foreach (Blob blob in blobs)
            {
                counter.ExtractBlobsImage(image, blob, false);
                Point position = new Point(blob.Rectangle.X, blob.Rectangle.Y);
                int   width    = blob.Rectangle.Width;
                int   heigth   = blob.Rectangle.Height;

                Spot spot = new Spot(blob.Image.ToManagedImage(), position, width, heigth, blob.Area, counter.GetBlobsEdgePoints(blob));
                spots.Add(spot);
            }

            return(spots);
        }
Esempio n. 30
0
        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();
        }
        private async Task CalibThread(FrameReadyEventArgs e)
        {
            //Debug.WriteLine("Calibrating " + _calibrationStep + " " + _drawing);
            //e.Frame.Bitmap.Save(@"C:\temp\daforge\src\img" + (_calibrationStep<10?"0":"") + _calibrationStep + "-" + (_drawing?"1":"0") + "-" + _errors + ".jpg", ImageFormat.Jpeg);
            if (_errors > 100)
            {
                //calibration not possible
                return;
            }
            if (_calibrationStep == CalibrationFrames)
            {
                _cc.FrameReady -= BaseCalibration; // TODO
                //Grid.Calculate();
                //Grid.PredictFromCorners();
                _vs.Close();
                Console.WriteLine("Calibration complete");
                CalibrationCompleted(this, new EventArgs());
            }
            else
            {
                switch (_calibrationStep)
                {
                // get the corners from the difference image
                case 2:
                    var bm = UnmanagedImage.FromManagedImage(e.Frame.Bitmap);
                    //diffFilter.OverlayImage.Save(@"C:\temp\daforge\diff\src" + _errors + ".jpg", ImageFormat.Jpeg);
                    bm = diffFilter.Apply(bm);
                    var gf = new GaussianBlur(9.0, 3);
                    gf.ApplyInPlace(bm);
                    var cf = new ColorFiltering(new IntRange(10, 255), new IntRange(20, 255),
                                                new IntRange(20, 255));
                    cf.ApplyInPlace(bm);
                    var blobCounter = new BlobCounter
                    {
                        ObjectsOrder        = ObjectsOrder.Size,
                        BackgroundThreshold = Color.FromArgb(255, 15, 20, 20),
                        FilterBlobs         = true
                    };
                    blobCounter.ProcessImage(bm);
                    //bm.ToManagedImage().Save(@"C:\temp\daforge\diff\img" + _calibrationStep + "-" + _errors + ".jpg", ImageFormat.Jpeg);
                    var blobs = blobCounter.GetObjectsInformation();
                    if (blobs.Any())
                    {
                        int             i = 0;
                        List <IntPoint> corners;
                        do
                        {
                            corners =
                                PointsCloud.FindQuadrilateralCorners(blobCounter.GetBlobsEdgePoints(blobs[i++]));
                        } while (corners.Count != 4);
                        RecursiveAForgeCalibrator.GridBlobs.InPlaceSort(corners);
                        Grid.TopLeft     = new Point(corners[0].X, corners[0].Y);
                        Grid.TopRight    = new Point(corners[1].X, corners[1].Y);
                        Grid.BottomLeft  = new Point(corners[2].X, corners[2].Y);
                        Grid.BottomRight = new Point(corners[3].X, corners[3].Y);
                        if (Grid.TopLeft.X > 10 && Grid.TopRight.X < _vs.Width - 5 && Grid.BottomLeft.X > 5 &&
                            Grid.BottomRight.X < _vs.Width - 5 && Grid.TopLeft.Y > 10 && Grid.TopRight.Y > 5 &&
                            Grid.BottomLeft.Y < _vs.Height - 5 && Grid.BottomRight.Y < _vs.Height - 5 &&
                            Grid.TopLeft.X < Grid.BottomRight.X &&     //blobs[i - 1].Area > 60000 &&
                            Grid.BottomLeft.X < Grid.TopRight.X && Grid.BottomLeft.X < Grid.BottomRight.X &&
                            Grid.TopLeft.Y < Grid.BottomLeft.Y && Grid.TopLeft.Y < Grid.BottomRight.Y &&
                            Grid.TopRight.Y < Grid.BottomLeft.Y && Grid.TopRight.Y < Grid.BottomRight.Y)
                        {
                            _calibrationStep++;
                            _vs.Clear();
                            Grid.AddPoint(new Point(), new Point(corners[0].X, corners[0].Y));
                            Grid.AddPoint(new Point(0, _vs.Height), new Point(corners[1].X, corners[1].Y));
                            Grid.AddPoint(new Point(_vs.Width, 0), new Point(corners[2].X, corners[2].Y));
                            Grid.AddPoint(new Point(_vs.Width, _vs.Height),
                                          new Point(corners[3].X, corners[3].Y));
                        }
                        else
                        {
                            _calibrationStep = 0;
                            _errors++;
                        }
                    }
                    else
                    {
                        _calibrationStep = 0;
                        _errors++;
                        _vs.Draw();
                    }
                    break;

                case 1:     // draw second image, store the first
                    diffFilter.OverlayImage = e.Frame.Bitmap;
                    //diffFilter.OverlayImage.Save(@"C:\temp\daforge\diff\srcf" + _errors + ".jpg", ImageFormat.Jpeg);
                    //_vs.AddRect(0, 0, (int) _vs.Width, (int) _vs.Height, Color.FromArgb(255, 255, 255, 255));
                    _vs.Clear();
                    for (int y = 0; y < Columncount; y++)
                    {
                        for (int x = 0; x < Rowcount; x++)
                        {
                            if (!(y % 2 == 0 && x % 2 == 0 || y % 2 == 1 && x % 2 == 1))
                            {
                                _vs.AddRect((int)(x * _sqrwidth), (int)(y * _sqrheight),
                                            (int)_sqrwidth, (int)_sqrheight,
                                            Color.FromArgb(255, 255, 255, 255));
                            }
                        }
                    }
                    _vs.Draw();
                    _calibrationStep++;
                    break;

                //draw the first image
                case 0:
                    Grid            = new Grid(e.Frame.Bitmap.Width, e.Frame.Bitmap.Height);
                    Grid.ScreenSize = new Rectangle(0, 0, _vs.Width, _vs.Height);
                    var thread = new Thread(() =>
                    {
                        _vs.Show();
                        _vs.AddRect(0, 0, _vs.Width, _vs.Height, Color.FromArgb(255, 0, 0, 0));
                    });
                    thread.SetApartmentState(ApartmentState.STA);
                    thread.Start();
                    thread.Join();
                    for (int y = 0; y < Columncount; y++)
                    {
                        for (int x = 0; x < Rowcount; x++)
                        {
                            if (y % 2 == 0 && x % 2 == 0 || y % 2 == 1 && x % 2 == 1)
                            {
                                _vs.AddRect((int)(x * _sqrwidth), (int)(y * _sqrheight),
                                            (int)_sqrwidth, (int)_sqrheight,
                                            Color.FromArgb(255, 255, 255, 255));
                            }
                        }
                    }
                    _vs.Draw();
                    _calibrationStep++;
                    break;
                }
            }
            Debug.WriteLine("Releasing");
            await Task.Delay(500);

            _sem.Release();
        }
Esempio n. 32
0
        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();
            }
        }