private void Form1_Load(object sender, EventArgs e)
{
// Load the template image.
imageViewer2.Image.Type = ImageType.Hsl32;
imageViewer2.Image.ReadVisionFile(System.IO.Path.Combine(imagePath, "template.png"));
// Set up the color pattern matching options.
matchColorPatternOptions = new MatchColorPatternOptions(MatchMode.ShiftInvariant, 2, ImageFeatureMode.ColorAndShape, ColorSensitivity.Low);
matchColorPatternOptions.ColorWeight = 500;
matchColorPatternOptions.SearchStrategy = SearchStrategy.Balanced;
matchColorPatternOptions.MinimumMatchScore = 775;
// Enable the timer.
timer1.Enabled = true;
timer1_Tick(timer1, EventArgs.Empty);
}
// Click the Match button to find the patterns in the image. The results
// are then displayed using regions.
private void matchPatternButton_Click(object sender, EventArgs e)
{
// Get match input parameters.
MatchColorPatternOptions matchOptions = new MatchColorPatternOptions();
matchOptions.MatchMode = (MatchMode)Enum.Parse(typeof(MatchMode), (string)matchMode.SelectedItem);
matchOptions.MinimumMatchScore = (double)minimumScore.Value;
matchOptions.NumberOfMatchesRequested = (int)matchesRequested.Value;
matchOptions.MinimumContrast = (int)minimumContrast.Value;
matchOptions.ColorWeight = (double)colorScoreWeight.Value;
matchOptions.FeatureMode = (ImageFeatureMode)Enum.Parse(typeof(ImageFeatureMode), (string)matchFeatureMode.SelectedItem);
matchOptions.ColorSensitivity = (ColorSensitivity)Enum.Parse(typeof(ColorSensitivity), (string)colorSensitivity.SelectedItem);
matchOptions.SearchStrategy = (SearchStrategy)Enum.Parse(typeof(SearchStrategy), (string)searchStrategy.SelectedItem);
matchOptions.SubpixelAccuracy = subpixelAccuracy.Checked;
if (matchOptions.MatchMode == MatchMode.RotationInvariant && matchOptions.FeatureMode == ImageFeatureMode.Color)
{
MessageBox.Show("Rotation-Invariant Color Pattern Matching requires a feature mode including shape",
"Color Pattern Matching Error");
return;
}
// Do the match.
Collection <PatternMatch> matches = Algorithms.MatchColorPattern(imageViewer1.Image, imageViewer2.Image, matchOptions, imageViewer1.Roi);
// Display the matches.
imageViewer1.Image.Overlays.Default.Clear();
foreach (PatternMatch match in matches)
{
// First draw the bounding box.
imageViewer1.Image.Overlays.Default.AddPolygon(new PolygonContour(match.Corners), Rgb32Value.RedColor);
// Now draw the center point.
imageViewer1.Image.Overlays.Default.AddOval(new OvalContour(match.Position.X - 5, match.Position.Y - 5, 11, 11), Rgb32Value.RedColor);
// Finally draw the crosshair.
imageViewer1.Image.Overlays.Default.AddLine(new LineContour(new PointContour(match.Position.X - 10, match.Position.Y), new PointContour(match.Position.X + 10, match.Position.Y)), Rgb32Value.RedColor);
imageViewer1.Image.Overlays.Default.AddLine(new LineContour(new PointContour(match.Position.X, match.Position.Y - 10), new PointContour(match.Position.X, match.Position.Y + 10)), Rgb32Value.RedColor);
}
matchesFound.Text = matches.Count.ToString();
learnPatternButton.Enabled = false;
}