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);
}
}
}