private void поВидуФункцииПреобразованияToolStripMenuItem_Click(object sender, EventArgs e)
        {
            new_image = new Bitmap(image);
            double C = 3.9;
            double val_max = 0;

            for (int i = 0; i < image.Width; ++i)
            {
                for (int j = 0; j < image.Height; ++j)
                {
                    double hue, sat, val;
                    ColorToHSV(image.GetPixel(i, j), out hue, out sat, out val);
                    if (val > val_max)
                        val_max = val;
                }
            }


            for (int i = 0; i < image.Width; ++i)
            {
                for (int j = 0; j < image.Height; ++j)
                {
                    double hue, sat, val;
                    ColorToHSV(image.GetPixel(i, j), out hue, out sat, out val);
                    Color c1 = ColorFromHSV(hue, sat, Math.Min(1.0, (Math.Log(val_max + 1)) * Math.Log((val) + 1) * C));
                    new_image.SetPixel(i, j, c1);
                }
            }
            pictureBox2.Size = new_image.Size;
            pictureBox2.Image = new_image;
            pictureBox2.Invalidate();
        }