public static Bitmap Blur(Bitmap bmp)
{
// create filter
Blur filter = new Blur();
// apply the filter
filter.ApplyInPlace(bmp);
return bmp;
}
private void Button_Click(object sender, RoutedEventArgs e)
{
Bitmap image = viewCam.GetCurrentVideoFrame();
ImageStatistics statistics = new ImageStatistics(ObjectExtractorDialog.Value);
// create filter
EuclideanColorFiltering filter = new EuclideanColorFiltering();
// set center colol and radius
filter.CenterColor = new RGB((byte)statistics.Red.Median, (byte)statistics.Green.Median, (byte)statistics.Blue.Median);
filter.Radius = 20;
// apply the filter
filter.ApplyInPlace(image);
image = Grayscale.CommonAlgorithms.BT709.Apply(image);
Blur blur = new Blur();
blur.ApplyInPlace(image);
OtsuThreshold otsu = new OtsuThreshold();
otsu.ApplyInPlace(image);
//DifferenceEdgeDetector edgeDetector = new DifferenceEdgeDetector();
//edgeDetector.ApplyInPlace(image);
//ColorFiltering colorFilter = new ColorFiltering(
// new IntRange(2, 255),
// new IntRange(0, 60),
// new IntRange(0, 60));
//colorFilter.ApplyInPlace(image);
//// create filter
//Threshold threshold = new Threshold(100);
//// apply the filter
//threshold.ApplyInPlace(image);
using (image)
{
BitmapSource bitmapSource = System.Windows.Interop.Imaging.CreateBitmapSourceFromHBitmap(
image.GetHbitmap(),
IntPtr.Zero,
Int32Rect.Empty,
BitmapSizeOptions.FromEmptyOptions());
//imgtest.Source = bitmapSource;
}
}
/// <summary>
///
/// </summary>
/// <param name="img"></param>
/// <returns></returns>
public GameLogic ScrapeBoardFromImage(Bitmap img)
{
// filter board's color to better identify tiles
Blur blur = new Blur();
blur.Threshold = 1;
blur.ApplyInPlace(img);
BrightnessCorrection brightness_filter = new BrightnessCorrection(-30);
brightness_filter.ApplyInPlace(img);
HSLFiltering luminance_filter = new HSLFiltering();
luminance_filter.Luminance = new Range(0.50f, 1);
luminance_filter.ApplyInPlace(img);
img.Save("c:\\users\\breiche\\pictures\\filtered.bmp", ImageFormat.Bmp);
DetectBlobsInImage(img);
img.Save("c:\\users\\breiche\\pictures\\blobs.bmp", ImageFormat.Bmp);
return new GameLogic(0, 0);
}
public void Detect(CameraImage cameraImage)
{
var partial = cameraConverter.ToImage(cameraImage);
var sourceBitmap = converter.ToBitmap(partial);
var blur = new Blur();
blur.ApplyInPlace(sourceBitmap);
var points = harris.ProcessImage(sourceBitmap);
var featurePoints = points.Select(t => new CornerFeaturePoint(t)).Cast<IFeaturePoint>().ToList();
if (featurePoints.Count > 0 && oldPoints.Count > 0)
{
try
{
var matches = matcher.Match(featurePoints, oldPoints);
using (var g = Graphics.FromImage(sourceBitmap))
{
for (var i = 0; i < matches[0].Length; i++)
{
g.DrawRectangle(Pens.Blue, matches[0][i].X, matches[0][i].Y, 3, 3);
g.DrawRectangle(Pens.Red, matches[1][i].X, matches[1][i].Y, 3, 3);
g.DrawLine(Pens.Red, matches[0][i].X + 1, matches[0][i].Y + 1, matches[1][i].X + 1,
matches[1][i].Y + 1);
}
}
var resultImage = imageFactory.Create(sourceBitmap);
Image = cameraConverter.Convert(resultImage);
oldPoints.Clear();
oldPoints.AddRange(featurePoints.AsReadOnly());
}
finally
{
sourceBitmap.Dispose();
}
}
else
{
oldPoints.Clear();
oldPoints.AddRange(featurePoints.AsReadOnly());
}
}