public void describe_points()
{
if (!detected)
{
return;
}
SurfDescriptor.DecribeInterestPoints(ipts, false, false, iimg);
descriptor_length = 64;
described = true;
int length = ipts.Count;
connection_id = new int[length];
for (int i = 0; i < length; i++)
{
connection_id[i] = -1;
}
}
private void btnRunSurf_Click(object sender, EventArgs e)
{
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.ShowDialog();
string pathToFile = openFileDialog.FileName;
Stopwatch watch = new Stopwatch();
watch.Start();
try
{
// Load an Image
Bitmap img = new Bitmap(pathToFile);
pbMainPicture.Image = img;
// Create Integral Image
IntegralImage iimg = IntegralImage.FromImage(img);
// Extract the interest points
ipts = FastHessian.getIpoints(0.0002f, 5, 2, iimg);
// Describe the interest points
SurfDescriptor.DecribeInterestPoints(ipts, false, false, iimg);
// Draw points on the image
PaintSURF(img, ipts);
}
catch
{
}
watch.Stop();
this.Text = "DemoSURF - Elapsed time: " + watch.Elapsed +
" for " + ipts.Count + "points";
}