public static VectorOfVectorOfPoint findApproxContours(IImage image, int threshold = 140)
{
return(ContourFinder.getApproxContour(
ContourFinder.findContours(
ImageTransformAlgorithms.getThreshold(
ImageTransformAlgorithms.pyramideDec(image), threshold))));
}
private void pyrDecButton_Click(object sender, EventArgs e)
{
try
{
imageBox2.Image = ImageTransformAlgorithms.pyramideDec(imageBox1.Image);
}
catch (NullReferenceException ex)
{
MessageBox.Show(ex.Message, "Null Reference Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}
public static List <CircleF> getCircles(IImage image, int threshold = 140, int minDistance = 10, int acTreshold = 36, int minRadius = 0, int maxRadius = 100)
{
// Hough algorithm
return(new List <CircleF>(CvInvoke.HoughCircles(
ImageTransformAlgorithms.getThreshold(ImageTransformAlgorithms.pyramideDec(image), threshold),
HoughType.Gradient,
/*2.0,*/ 1.0,
minDistance,
100,
acTreshold,
minRadius,
maxRadius
)));
}
private void thresholdButton_Click(object sender, EventArgs e)
{
try
{
imageBox2.Image = ImageTransformAlgorithms.getThreshold(
ImageTransformAlgorithms.pyramideDec(imageBox1.Image), int.Parse(textBox1.Text));
}
catch (FormatException ex)
{
MessageBox.Show(ex.Message, "Fromat Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
catch (NullReferenceException ex)
{
MessageBox.Show(ex.Message, "Null Reference Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}