private void button11_Click(object sender, EventArgs e)
        {
            int maska1 = (int)numericUpDown3.Value;
            int maska2 = (int)numericUpDown4.Value;
            int maska3 = (int)numericUpDown5.Value;
            int maska4 = (int)numericUpDown6.Value;
            int maska5 = (int)numericUpDown7.Value;
            int maska6 = (int)numericUpDown8.Value;
            int maska7 = (int)numericUpDown9.Value;
            int maska8 = (int)numericUpDown10.Value;
            int maska9 = (int)numericUpDown11.Value;
            int suma = maska1 + maska2 + maska3 + maska4 + maska5 + maska6 + maska7 + maska8 + maska9;
            Bitmap b1 = (Bitmap)pictureBox1.Image;
            Bitmap b2 = (Bitmap)pictureBox2.Image;
            Color k1, k2, k3, k4, k5, k6, k7, k8, k9;
            int r, g, b;
            for (int x = 1; x < szer-1; x++)
            {
                for (int y = 1; y < wys-1; y++)
                {
                    k1 = b1.GetPixel(x-1, y+1);
                    k2 = b1.GetPixel(x, y+1);
                    k3 = b1.GetPixel(x+1, y+1);
                    k4 = b1.GetPixel(x-1, y);
                    k5 = b1.GetPixel(x, y);
                    k6 = b1.GetPixel(x+1, y);
                    k7 = b1.GetPixel(x-1, y-1);
                    k8 = b1.GetPixel(x, y-1);
                    k9 = b1.GetPixel(x+1, y-1);
                    r = k1.R * maska1 + k2.R * maska2 + k3.R * maska3 + k4.R * maska4 + k5.R * maska5 + k6.R * maska6 + k7.R * maska7
                        + k8.R * maska8 + k9.R * maska9;
                    g = k1.G * maska1 + k2.G * maska2 + k3.G * maska3 + k4.G * maska4 + k5.G * maska5 + k6.G * maska6 + k7.G * maska7
                        + k8.G * maska8 + k9.G * maska9;
                    b = k1.B * maska1 + k2.B * maska2 + k3.B * maska3 + k4.B * maska4 + k5.B * maska5 + k6.B * maska6 + k7.B * maska7
                        + k8.B * maska8 + k9.B * maska9;

                    if(suma != 0)
                        r = r / suma;
                    if (suma != 0)
                        g = g / suma;
                    if (suma != 0)
                        b = b / suma;

                    if (r > 255) r = 255;
                    if (r < 0) r = 0;

                    if (g > 255) g = 255;
                    if (g < 0) g = 0;

                    if (b > 255) b = 255;
                    if (b < 0) b = 0;

                    b2.SetPixel(x, y, Color.FromArgb(r,g,b));
                }
            }
            pictureBox2.Refresh();
        }