static public Image Vylf(ObjectAPI picture, double k, int a, ref Stopwatch st2)
{
ObjectAPI pic = picture.Clone() as ObjectAPI;
ObjectAPI pic2 = picture.Clone() as ObjectAPI;
double R = 0;
for (int i = 0; i < pic.Height; i++)
{
for (int j = 0; j < pic.Width; j++)
{
var r = ConvertMatrixVylf2(pic, a, i, j);
if (R < r)
{
R = r;
}
}
}
for (int i = 0; i < pic.Height; i++)
{
for (int j = 0; j < pic.Width; j++)
{
var t = ConvertMatrixVylf(pic, a, i, j, k, pic.MinPix, R);
if (pic.Rmatrix[j, i] <= t)
{
pic2.Rmatrix[j, i] = 0;
}
if (pic.Rmatrix[j, i] > t)
{
pic2.Rmatrix[j, i] = 255;
}
}
}
st2.Stop();
return(pic2.Show());
}
static public Image Niblek(ObjectAPI picture, double k, int a, ref Stopwatch st2)
{
ObjectAPI pic = new ObjectAPI();
pic = picture.Clone() as ObjectAPI;
ObjectAPI pic2 = new ObjectAPI();
pic2 = picture.Clone() as ObjectAPI;
for (int i = 0; i < pic.Height; i++)
{
for (int j = 0; j < pic.Width; j++)
{
var t = ConvertMatrixNiblek(pic, a, i, j, k);
if (pic.Rmatrix[j, i] <= t)
{
pic2.Rmatrix[j, i] = 0;
}
if (pic.Rmatrix[j, i] > t)
{
pic2.Rmatrix[j, i] = 255;
}
}
}
st2.Stop();
return(pic2.Show());
}
static public Image Bredly(ObjectAPI picture, double k, int a, ref Stopwatch st2)
{
ObjectAPI pic = picture.Clone() as ObjectAPI;
ObjectAPI pic2 = picture.Clone() as ObjectAPI;
for (int i = 0; i < pic.Height; i++)
{
for (int j = 0; j < pic.Width; j++)
{
var t = ConvertMatrixBredly(pic, a, i, j);
if (pic.Rmatrix[j, i] * t[1] < t[0] * (1 - k))
{
pic2.Rmatrix[j, i] = 0;
}
if (pic.Rmatrix[j, i] * t[1] >= t[0] * (1 - k))
{
pic2.Rmatrix[j, i] = 255;
}
}
}
st2.Stop();
return(pic2.Show());
}
static public Image Otcu(ObjectAPI picture, ref Stopwatch st2)
{
ObjectAPI pic = new ObjectAPI();
pic = picture.Clone() as ObjectAPI;
var w = pic.Width;
var h = pic.Height;
double[] I = new double[256];
for (int i = 0; i < pic.Height; i++)
{
for (int j = 0; j < pic.Width; j++)
{
++I[pic.Rmatrix[j, i]];
}
}
for (int i = 0; i < I.Count(); i++)
{
I[i] = I[i] / (w * h);
}
double deltaDef = 0;
int tDef = 0;
for (int t = 0; t < pic.MaxPix; t++)
{
CalcOtcu(I, t, pic.MaxPix, ref deltaDef, ref tDef);
}
//throw new Exception();
for (int i = 0; i < pic.Height; i++)
{
for (int j = 0; j < pic.Width; j++)
{
if (pic.Rmatrix[j, i] <= tDef)
{
pic.Rmatrix[j, i] = 0;
}
if (pic.Rmatrix[j, i] > tDef)
{
pic.Rmatrix[j, i] = 255;
}
}
}
st2.Stop();
return(pic.Show());
}
static public Image LinFilter(ObjectAPI pic, int a, double[,] filterMatrix, ref Stopwatch st)
{
ObjectAPI pic2 = new ObjectAPI();
pic2 = pic.Clone() as ObjectAPI;
for (int i = 0; i < pic.Height; i++)
{
for (int j = 0; j < pic.Width; j++)
{
int[,] R = FilterArray(CreateMatrix(pic, a, i, j, 'R'), a);
int[,] G = FilterArray(CreateMatrix(pic, a, i, j, 'G'), a);
int[,] B = FilterArray(CreateMatrix(pic, a, i, j, 'B'), a);
pic2.matrix[j, i].R = GetReadyLinFilter(R, filterMatrix, a);
pic2.matrix[j, i].G = GetReadyLinFilter(G, filterMatrix, a);
pic2.matrix[j, i].B = GetReadyLinFilter(B, filterMatrix, a);
}
}
st.Stop();
return(pic2.ShowRGB());
}
static public Image MedianaFilter(ObjectAPI pic, int a, ref Stopwatch st)
{
ObjectAPI pic2 = new ObjectAPI();
pic2 = pic.Clone() as ObjectAPI;
for (int i = 0; i < pic.Height; i++)
{
for (int j = 0; j < pic.Width; j++)
{
byte[] R = FilterMedianaArray(CreateMatrix(pic, a, i, j, 'R'), a);
byte[] G = FilterMedianaArray(CreateMatrix(pic, a, i, j, 'G'), a);
byte[] B = FilterMedianaArray(CreateMatrix(pic, a, i, j, 'B'), a);
pic2.matrix[j, i].R = Math_Methods.QuickSelect_median(R);
pic2.matrix[j, i].G = Math_Methods.QuickSelect_median(G);
pic2.matrix[j, i].B = Math_Methods.QuickSelect_median(B);
}
}
st.Stop();
return(pic2.ShowRGB());
}
static public Image Gavr(ObjectAPI picture, ref Stopwatch st2)
{
ObjectAPI pic = new ObjectAPI();
pic = picture.Clone() as ObjectAPI;
double sum = 0;
var w = pic.Width;
var h = pic.Height;
for (int i = 0; i < pic.Height; i++)
{
for (int j = 0; j < pic.Width; j++)
{
sum += pic.Rmatrix[j, i];
}
}
var t = sum / (w * h);
for (int i = 0; i < pic.Height; i++)
{
for (int j = 0; j < pic.Width; j++)
{
if (pic.Rmatrix[j, i] <= t)
{
pic.Rmatrix[j, i] = 0;
}
if (pic.Rmatrix[j, i] > t)
{
pic.Rmatrix[j, i] = 255;
}
}
}
st2.Stop();
return(pic.Show());
}
