public static Bitmap Laplacian5x5Filter(this Bitmap sourceBitmap,
bool grayscale = true)
{
Bitmap resultBitmap = ExtBitmap.ConvolutionFilter(sourceBitmap,
Matrix.Laplacian5x5, 1.0, 0, grayscale);
return(resultBitmap);
}
public static Bitmap KirschFilter(this Bitmap sourceBitmap,
bool grayscale = true)
{
Bitmap resultBitmap = ExtBitmap.ConvolutionFilter(sourceBitmap,
Matrix.Kirsch3x3Horizontal,
Matrix.Kirsch3x3Vertical,
1.0, 0, grayscale);
return(resultBitmap);
}
public static Bitmap Laplacian5x5OfGaussian5x5Filter1(this Bitmap sourceBitmap)
{
Bitmap resultBitmap = ExtBitmap.ConvolutionFilter(sourceBitmap,
Matrix.Gaussian5x5Type1, 1.0 / 159.0, 0, true);
resultBitmap = ExtBitmap.ConvolutionFilter(resultBitmap,
Matrix.Laplacian5x5, 1.0, 0, false);
return(resultBitmap);
}
public static Bitmap Laplacian3x3OfGaussian3x3Filter(this Bitmap sourceBitmap)
{
Bitmap resultBitmap = ExtBitmap.ConvolutionFilter(sourceBitmap,
Matrix.Gaussian3x3, 1.0 / 16.0, 0, true);
resultBitmap = ExtBitmap.ConvolutionFilter(resultBitmap,
Matrix.Laplacian3x3, 1.0, 0, false);
return(resultBitmap);
}
private Bitmap ConvertirParaProcesar(Bitmap original)
{
//Bitmap clone = new Bitmap(original.Width, original.Height,System.Drawing.Imaging.PixelFormat.Format24bppRgb);
//using (Graphics gr = Graphics.FromImage(clone))
//{
// gr.DrawImage(original, new Rectangle(0, 0, clone.Width, clone.Height));
//}
//original.Dispose();
//return Grayscale.CommonAlgorithms.BT709.Apply(original);
//Bitmap imagenEscalaDeGrises = Grayscale.CommonAlgorithms.BT709.Apply(original);
//ResizeBilinear filter = new ResizeBilinear(1024, 768);
//// apply the filter
//Bitmap newImage = filter.Apply(original);
//const float limit = 0.3f;
//for (int i = 0; i < original.Width; i++)
//{
// for (int j = 0; j < original.Height; j++)
// {
// Color c = original.GetPixel(i, j);
// if (c.GetBrightness() > limit)
// {
// original.SetPixel(i, j, Color.White);
// }
// }
//}
Bitmap resultado = Grayscale.CommonAlgorithms.BT709.Apply(ExtBitmap.Laplacian3x3Filter(original, true));
resultado.Save("Convertida" + DateTime.Now.Millisecond + ".bmp");
original.Dispose();
return(resultado);
//return clone;
}
