public static void Blob_CvConnectedComponent()
{
Glb.DrawMatAndHist0(Glb.matSrc);
var matThr = Glb.matSrc.CvtColor(ColorConversionCodes.BGR2GRAY).Threshold(128, 255, ThresholdTypes.Otsu);
var matLabels = new Mat();
var matStats = new Mat();
var matCentroids = new Mat();
Glb.TimerStart();
int num = matThr.ConnectedComponentsWithStats(matLabels, matStats, matCentroids) - 1; // 배경까지 블럽으로 계산된다.
Console.WriteLine("=> Label Time: {0}ms", Glb.TimerStop());
var matDsp = new Mat(Glb.matSrc.Rows, Glb.matSrc.Cols, MatType.CV_8UC3);
matDsp.SetTo(Scalar.Black);
Glb.TimerStart();
MyBlobRenderer.RenderBlobs(matLabels, matStats, matCentroids, matDsp);
Console.WriteLine("=> Render Time: {0}ms", Glb.TimerStop());
Console.WriteLine("=> Blob Count: {0}", num);
Glb.DrawMatAndHist1(matThr);
Glb.DrawMatAndHist2(matDsp);
matThr.Dispose();
matLabels.Dispose();
matStats.Dispose();
matCentroids.Dispose();
matDsp.Dispose();
}
public static void Blob_Ipp()
{
Glb.DrawMatAndHist0(Glb.matSrc);
var matThr = Glb.matSrc.CvtColor(ColorConversionCodes.BGR2GRAY).Threshold(128, 255, ThresholdTypes.Otsu);
MyBlobs blobs = new MyBlobs();
Stopwatch sw = Stopwatch.StartNew();
blobs.LabelIpp(matThr.Data, matThr.Width, matThr.Height, (int)matThr.Step());
sw.Stop();
Console.WriteLine("=> Label Time: {0}ms", sw.ElapsedMilliseconds);
var matDst = new Mat(Glb.matSrc.Rows, Glb.matSrc.Cols, MatType.CV_8UC3);
matDst.SetTo(Scalar.Black);
Glb.TimerStart();
MyBlobRenderer.RenderBlobs(blobs, matDst);
Console.WriteLine("=> Render Time: {0}ms", Glb.TimerStop());
Console.WriteLine("=> Blob Count: {0}", blobs.Blobs.Count);
Glb.DrawMatAndHist1(matThr);
Glb.DrawMatAndHist2(matDst);
matThr.Dispose();
matDst.Dispose();
}
public static void Blob_CvBlobs(int filterArea = 0)
{
Glb.DrawMatAndHist0(Glb.matSrc);
var matThr = Glb.matSrc.CvtColor(ColorConversionCodes.BGR2GRAY).Threshold(128, 255, ThresholdTypes.Otsu);
var blobs = new CvBlobs();
Glb.TimerStart();
int cnt = blobs.Label(matThr);
Console.WriteLine("=> Label Time: {0}ms", Glb.TimerStop());
blobs.FilterByArea(filterArea, int.MaxValue);
var matDsp = new Mat(Glb.matSrc.Rows, Glb.matSrc.Cols, MatType.CV_8UC3);
matDsp.SetTo(Scalar.Black);
Glb.TimerStart();
MyBlobRenderer.RenderBlobs(blobs, matDsp);
Console.WriteLine("=> Render Time: {0}ms", Glb.TimerStop());
Console.WriteLine("=> Blob Count: {0}", blobs.Count);
Glb.DrawMatAndHist1(matThr);
Glb.DrawMatAndHist2(matDsp);
matThr.Dispose();
matDsp.Dispose();
}
