public IplImage BlobContourImage(IplImage src) { blobcontour = new IplImage(src.Size, BitDepth.U8, 3); bin = this.Binary(src, 50); CvBlobs blobs = new CvBlobs(); blobs.Label(bin); foreach (KeyValuePair <int, CvBlob> item in blobs) { CvBlob b = item.Value; CvContourChainCode cc = b.Contour; cc.Render(blobcontour); CvContourPolygon ex_polygon = cc.ConvertToPolygon(); foreach (CvPoint p in ex_polygon) { Cv.DrawCircle(blobcontour, p, 1, CvColor.Blue, -1); } for (int i = 0; i < b.InternalContours.Count; i++) { CvContourPolygon in_polygon = b.InternalContours[i].ConvertToPolygon(); foreach (CvPoint p in in_polygon) { Cv.DrawCircle(blobcontour, p, 1, CvColor.Red, -1); } } } return(blobcontour); }
public Blob() { using (var imgSrc = new IplImage(FilePath.Image.Shapes, LoadMode.Color)) using (var imgBinary = new IplImage(imgSrc.Size, BitDepth.U8, 1)) using (var imgRender = new IplImage(imgSrc.Size, BitDepth.U8, 3)) using (var imgContour = new IplImage(imgSrc.Size, BitDepth.U8, 3)) using (var imgPolygon = new IplImage(imgSrc.Size, BitDepth.U8, 3)) { Cv.CvtColor(imgSrc, imgBinary, ColorConversion.BgrToGray); Cv.Threshold(imgBinary, imgBinary, 100, 255, ThresholdType.Binary); CvBlobs blobs = new CvBlobs(); blobs.Label(imgBinary); foreach (KeyValuePair <int, CvBlob> item in blobs) { CvBlob b = item.Value; Console.WriteLine("{0} | Centroid:{1} Area:{2}", item.Key, b.Centroid, b.Area); CvContourChainCode cc = b.Contour; cc.Render(imgContour); CvContourPolygon polygon = cc.ConvertToPolygon(); foreach (CvPoint p in polygon) { imgPolygon.Circle(p, 1, CvColor.Red, -1); } /* * CvPoint2D32f circleCenter; * float circleRadius; * GetEnclosingCircle(polygon, out circleCenter, out circleRadius); * imgPolygon.Circle(circleCenter, (int) circleRadius, CvColor.Green, 2); */ } blobs.RenderBlobs(imgSrc, imgRender); using (new CvWindow("render", imgRender)) using (new CvWindow("contour", imgContour)) using (new CvWindow("polygon vertices", imgPolygon)) { Cv.WaitKey(0); } } }
public Blob() { using (IplImage imgSrc = new IplImage(Const.ImageShapes, LoadMode.Color)) using (IplImage imgBinary = new IplImage(imgSrc.Size, BitDepth.U8, 1)) using (IplImage imgLabel = new IplImage(imgSrc.Size, BitDepth.F32, 1)) using (IplImage imgRender = new IplImage(imgSrc.Size, BitDepth.U8, 3)) using (IplImage imgContour = new IplImage(imgSrc.Size, BitDepth.U8, 3)) using (IplImage imgPolygon = new IplImage(imgSrc.Size, BitDepth.U8, 3)) { Cv.CvtColor(imgSrc, imgBinary, ColorConversion.BgrToGray); Cv.Threshold(imgBinary, imgBinary, 100, 255, ThresholdType.Binary); CvBlobs blobs = new CvBlobs(); blobs.Label(imgBinary); foreach (KeyValuePair <int, CvBlob> item in blobs) { CvBlob b = item.Value; Console.WriteLine("{0} | Centroid:{1} Area:{2}", item.Key, b.Centroid, b.Area); CvContourChainCode cc = b.Contour; cc.Render(imgContour); CvContourPolygon polygon = cc.ConvertToPolygon(); foreach (CvPoint p in polygon) { imgPolygon.Circle(p, 1, CvColor.Red, -1); } } blobs.RenderBlobs(imgSrc, imgRender); using (new CvWindow("render", imgRender)) using (new CvWindow("contour", imgContour)) using (new CvWindow("polygon vertices", imgPolygon)) { Cv.WaitKey(0); } } }