private void Piramids()
{
double sigma0 = 1.6; // sigma 0
double k = Math.Pow(2.0, (1.0 / (double)S)); // Интервал между масштабами
int minr = Math.Min(BeginImage.Width, BeginImage.Height);
O = 0;
while (minr > 32)
{
minr /= 2;
O++;
}
Piramida = new Img[O + 1, S + 3];
DoG = new Img[O + 1, S + 2];
Img TekImg = new Img(BeginImage.Bitmap);
double sigmaD = sigma0; // Действительная сигма
double sigmaTEK = sigma0;
int qq = 1;
GaussCore GaussMatrix = new GaussCore(sigma0);
TekImg.SvertkaWithNormalize(GaussMatrix.Matrix, GaussMatrix.Radius, 1);
Piramida[0, 0] = new Img(TekImg.Bitmap);
GlobalSigma = new double[O + 1, S + 3];
Sigma = new double[O + 1, S + 3];
Sigma[0, 0] = sigmaTEK;
GlobalSigma[0, 0] = sigmaD;
for (int o = 0; o < O + 1; o++)
{
TekImg = new Img(Piramida[o, 0].Bitmap);
for (int s = 1; s < S + 3; s++)
{
double sigma1 = sigma0 * Math.Pow(k, (s - 1));
double sigma2 = sigma0 * Math.Pow(k, s);
sigmaTEK = Math.Sqrt(sigma2 * sigma2 - sigma1 * sigma1); // Текущая сигма
Sigma[o, s] = sigma2;
sigmaD = sigma0 * Math.Pow(k, qq);
GlobalSigma[o, s] = sigmaD;
qq++;
GaussMatrix = new GaussCore(sigmaTEK);
TekImg.SvertkaWithNormalize(GaussMatrix.Matrix, GaussMatrix.Radius, 1);
Piramida[o, s] = new Img(TekImg.Bitmap);
if ((o + 1) != (O + 1) && s == S)
{
Piramida[o + 1, 0] = new Img(TekImg.Bitmap);
Piramida[o + 1, 0].Downsample();
Sigma[o + 1, 0] = sigma0;
GlobalSigma[o + 1, 0] = sigmaD;
}
}
qq = qq - 2;
}
for (int o = 0; o < O + 1; o++)
{
for (int s = 0; s < S + 2; s++)
{
double[,] RMtx = new double[Piramida[o, 0].Height, Piramida[o, 0].Width];
for (int y = 0; y < Piramida[o, 0].Height; y++)
{
for (int x = 0; x < Piramida[o, 0].Width; x++)
{
RMtx[y, x] = Math.Abs(Piramida[o, s + 1].GrayMatrixDouble[y, x] - Piramida[o, s].GrayMatrixDouble[y, x]);
}
}
DoG[o, s] = new Img(RMtx, Piramida[o, 0].Width, Piramida[o, 0].Height);
DoG[o, s].Save(BasePath + "Lab 6/i" + Convert.ToString(o) + Convert.ToString(s) + ".png");
}
}
}
/* Пирамида */
private void button3_Click(object sender, EventArgs e)
{
bool mTr = true;
if (textBox1.Text == "" || textBox2.Text == "")
{
mTr = false;
MessageBox.Show("Введите данные", "Ошибка!", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
if (mTr)
{
F.ClearDir(BasePath + "Lab 2");
F.ClearDir(BasePath + "Lab 2/Core");
double sigma0 = Convert.ToDouble(textBox1.Text); // Сигма 0
int S = Convert.ToInt32(textBox2.Text); // Число масштабов в октаве
double k = Math.Pow(2.0, (1.0 / (double)S)); // Интервал между масштабами
int minr = Math.Min(IWidth, IHeight);
int O = 0; // Число октав
while (minr > 32)
{
minr /= 2;
O++;
}
Img TekImg = new Img(GrayImg.GrayMatrix, IWidth, IHeight);
TekImg.Save(BasePath + "Lab 2/000.png");
double sigmaD = sigma0; // Действительная сигма
double sigmaTEK = sigma0;
double qq = 1;
GaussCore GaussMatrix = new GaussCore(sigma0);
Img GaussImg = new Img(GaussMatrix.Matrix, GaussMatrix.Size, GaussMatrix.Size);
TekImg.SvertkaWithNormalize(GaussMatrix.Matrix, GaussMatrix.Radius, 1);
TekImg.Save(BasePath + "Lab 2/" + "00"
+ " - S1=" + Convert.ToString(Math.Round(sigma0, 2)) + " - Sd=" + Convert.ToString(Math.Round(sigma0, 2)) + ".png");
GaussImg.Save(BasePath + "Lab 2/Core/" + "00" + ".png");
for (int o = 0; o < O; o++)
{
for (int s = 1; s <= S; s++)
{
double sigma1 = sigma0 * Math.Pow(k, (s - 1));
double sigma2 = sigma0 * Math.Pow(k, s);
sigmaTEK = Math.Sqrt(sigma2 * sigma2 - sigma1 * sigma1);// Текущая сигма
sigmaD = sigma0 * Math.Pow(k, qq);
qq++;
GaussMatrix = new GaussCore(sigmaTEK);
GaussImg = new Img(GaussMatrix.Matrix, GaussMatrix.Size, GaussMatrix.Size);
TekImg.SvertkaWithNormalize(GaussMatrix.Matrix, GaussMatrix.Radius, 1);
TekImg.Save(BasePath + "Lab 2/" + Convert.ToString(o) + Convert.ToString(s)
+ " - S1=" + Convert.ToString(Math.Round(sigma2, 2)) + " - Sd=" + Convert.ToString(Math.Round(sigmaD, 2)) + ".png");
GaussImg.Save(BasePath + "Lab 2/Core/" + Convert.ToString(o) + Convert.ToString(s) + ".png");
}
TekImg.Downsample();
TekImg.Save(BasePath + "Lab 2/" + Convert.ToString(o + 1) + "0"
+ " - S1=" + Convert.ToString(Math.Round(sigma0, 2)) + " - Sd=" + Convert.ToString(Math.Round(sigmaD, 2)) + ".png");
}
}
}
