public void TestMSER()
{
MSERDetector keyPointDetector = new MSERDetector();
SIFT descriptorGenerator = new SIFT();
//ParamDef[] parameters = keyPointDetector.GetParams();
TestFeature2DTracker(keyPointDetector, descriptorGenerator);
}
public void TestMSER()
{
MSERDetector keyPointDetector = new MSERDetector();
BriefDescriptorExtractor descriptorGenerator = new BriefDescriptorExtractor(32);
//ParamDef[] parameters = keyPointDetector.GetParams();
TestFeature2DTracker(keyPointDetector, descriptorGenerator);
}
public MSER()
{
var mserDetector = new MSERDetector();
_deltaProperty = new IntegerProperty("Delta", 1, 100, 1)
{
Value = mserDetector.Delta
};
_maxAreaProperty = new IntegerProperty("MaxArea", 10, 288000, 250)
{
Value = mserDetector.MaxArea
};
_minAreaProperty = new IntegerProperty("MinArea", 1, 16000, 100)
{
Value = mserDetector.MinArea
};
_maxVariationProperty = new FloatProperty("MaxVariation", 0, 1, (decimal)0.01f, 2)
{
Value = mserDetector.MaxVariation
};
_minDiversityProperty = new FloatProperty("MinDiversity", 0, 1, (decimal)0.01f, 2)
{
Value = mserDetector.MinDiversity
};
_maxEvolutionProperty = new IntegerProperty("MaxEvolution", 0, 1000, 1)
{
Value = mserDetector.MaxEvolution
};
_areaThresholdProperty = new FloatProperty("AreaThreshold", 0, 5, (decimal)0.01f, 2)
{
Value = (float)mserDetector.AreaThreshold
};
_minMarginProperty = new FloatProperty("MinMargin", 0, 1, (decimal)0.001f, 3)
{
Value = (float)mserDetector.MinMargin
};
_edgeBlurSizeProperty = new IntegerProperty("EdgeBlurSize", 0, 100, 1)
{
Value = mserDetector.EdgeBlurSize
};
AddProperty(_deltaProperty);
AddProperty(_maxAreaProperty);
AddProperty(_minAreaProperty);
AddProperty(_maxVariationProperty);
AddProperty(_minDiversityProperty);
AddProperty(_maxEvolutionProperty);
AddProperty(_areaThresholdProperty);
AddProperty(_minMarginProperty);
AddProperty(_edgeBlurSizeProperty);
_input = new InputPin("Image", PinMediaType.Image);
_output = new OutputPin("Contours", PinMediaType.ContoursArray);
AddPin(_input);
AddPin(_output);
}
public void MSER()
{
var sourceBitmap = Samples.sample13;
var w = sourceBitmap.Width;
var h = sourceBitmap.Height;
using var src = new UMat();
using var srcMat = sourceBitmap.ToMat();
srcMat.CopyTo(src);
using var gray = new UMat();
CvInvoke.CvtColor(src, gray, ColorConversion.Bgra2Gray);
using var detector = new MSERDetector(
minArea: 5, maxArea: 80, edgeBlurSize: 5);
using var msers = new VectorOfVectorOfPoint();
using var bboxes = new VectorOfRect();
detector.DetectRegions(gray, msers, bboxes);
var sw = new Stopwatch();
sw.Start();
var n = 100;
for (var i = 0; i < n; i++)
{
detector.DetectRegions(gray, msers, bboxes);
}
sw.Stop();
Console.WriteLine($"{(int)(sw.Elapsed.TotalMicroseconds() / n)} us");
var result = new byte[w * h];
foreach (var mser in msers.ToArrayOfArray())
{
foreach (var point in mser)
{
result[point.Y * w + point.X] = 255;
}
}
foreach (var bbox in bboxes.ToArray())
{
}
Run("samples/sample13.png");
//result.RunAs(w, h, 1, "mser.png");
}
private void btnMSER_Click(object sender, EventArgs e)
{
var temproot = RootImg.Clone();
var tempimg1 = WorkingImg.Clone();
Image <Bgr, byte> colorimg = tempimg1.Convert <Bgr, byte>();
Image <Bgr, byte> tempOriImg = temproot.Convert <Bgr, byte>();
var f2d = new MSERDetector();
var keypoint = f2d.Detect(WorkingImg);
foreach (var point in keypoint)
{
System.Drawing.Rectangle rect = new Rectangle();
rect.X = (int)point.Point.X;
rect.Y = (int)point.Point.Y;
rect.Width = (int)point.Size;
rect.Height = (int)point.Size;
tempOriImg.Draw(rect, new Bgr(60, 200, 10), 2);
}
rtxLog.AppendText("btnMSER_Click" + Environment.NewLine);
RegistHisroty(tempOriImg);
}
public override void Process()
{
FireProcessingStateChanged(ProcessingState.Started);
var image = (IImage)_input.GetData();
var detector = new MSERDetector
(
_deltaProperty.Value,
_maxAreaProperty.Value,
_minAreaProperty.Value,
_maxVariationProperty.Value,
_minDiversityProperty.Value,
_maxEvolutionProperty.Value,
_areaThresholdProperty.Value,
_minMarginProperty.Value,
_edgeBlurSizeProperty.Value
);
using (var storage = new MemStorage())
detector.ExtractContours(image, null, storage);
detector.Dispose();
image.Dispose();
FireProcessingStateChanged(ProcessingState.Finished);
}
public static extern void cvExtractMSER(
IntPtr img,
IntPtr mask,
ref IntPtr contours,
IntPtr storage,
MSERDetector parameters);
