public void ProcessImageTest2()
{
double[,] diag = Matrix.Magic(5);
Bitmap input;
new MatrixToImage().Convert(diag, out input);
// Create a new Kuwahara filter
Kuwahara filter = new Kuwahara();
// Apply the filter
Bitmap output = filter.Apply(input);
double[,] actual;
new ImageToMatrix().Convert(output, out actual);
string str = actual.ToString(CSharpMatrixFormatProvider.InvariantCulture);
double[,] expected =
{
{ 0.937254901960784, 0.909803921568627, 1, 0.972549019607843, 0.945098039215686 },
{ 0.913725490196078, 0.984313725490196, 0.976470588235294, 0.949019607843137, 0.941176470588235 },
{ 0.988235294117647, 0.980392156862745, 0.952941176470588, 0.925490196078431, 0.917647058823529 },
{ 0.964705882352941, 0.956862745098039, 0.929411764705882, 0.92156862745098, 0.992156862745098 },
{ 0.96078431372549, 0.933333333333333, 0.905882352941176, 0.996078431372549, 0.968627450980392 }
};
Assert.IsTrue(expected.IsEqual(actual, 1e-6));
}
private void SetFilter()
{
ImageType = ImageTypes.GrayscaleBT709;
Af.Kuwahara newFilter = new Af.Kuwahara();
newFilter.Size = makeOdd();
imageFilter = newFilter;
}
public void KuwaharaTest1()
{
Bitmap image = Accord.Imaging.Image.Clone(Properties.Resources.lena512);
Kuwahara kuwahara = new Kuwahara();
Bitmap result = kuwahara.Apply(image);
//ImageBox.Show(result);
Assert.IsNotNull(result);
}
/// <summary>
/// Kuwahara filter.
/// <para>Accord.NET internal call. See: <see cref="Accord.Imaging.Filters.Kuwahara"/> for details.</para>
/// </summary>
/// <param name="img">Image.</param>
/// <param name="size">the size of the kernel used in the Kuwahara filter. This should be odd and greater than or equal to five</param>
/// <param name="blockSize">the size of each of the four inner blocks used in the Kuwahara filter. This is always half the <paramref name="size"/> minus one.</param>
/// <param name="inPlace">Apply in place or not. If it is set to true return value can be omitted.</param>
/// <returns>Processed image.</returns>
public static Gray<byte>[,] Kuwahara(this Gray<byte>[,] img, int size = 5, int blockSize = 2, bool inPlace = false)
{
Kuwahara k = new Kuwahara();
return img.ApplyFilter(k, inPlace);
}
/// <summary>
/// Kuwahara filter.
/// <para>Accord.NET internal call. See: <see cref="Accord.Imaging.Filters.Kuwahara"/> for details.</para>
/// </summary>
/// <param name="img">Image.</param>
/// <param name="size">the size of the kernel used in the Kuwahara filter. This should be odd and greater than or equal to five</param>
/// <param name="blockSize">the size of each of the four inner blocks used in the Kuwahara filter. This is always half the <paramref name="size"/> minus one.</param>
/// <param name="inPlace">Apply in place or not. If it is set to true return value can be omitted.</param>
/// <returns>Processed image.</returns>
public static Image<Gray, byte> Kuwahara(this Image<Gray, byte> img, int size = 5, int blockSize = 2, bool inPlace = false)
{
Kuwahara k = new Kuwahara();
return img.ApplyFilter(k, inPlace);
}
