//偏差指数评价
private void button2_Click(object sender, EventArgs e)
{
double Br, Bg, Bb;//三通道偏差指数
double r, g, b;
r = g = b = 0;
Bitmap map2 = (Bitmap)img2;
for (int i = 0; i < newBitmap.Width; i++)
{
for (int j = 0; j < newBitmap.Height; j++)
{
Color pixel1 = newBitmap.GetPixel(i, j);
Color piexl2 = map2.GetPixel(i, j);
r += Math.Abs(pixel1.R - piexl2.R) * 1.0 / piexl2.R;
g += Math.Abs(pixel1.G - piexl2.G) * 1.0 / piexl2.G;
b += Math.Abs(pixel1.B - piexl2.B) * 1.0 / piexl2.B;
}
}
Br = r / (newBitmap.Width * newBitmap.Height);
Bg = g / (newBitmap.Width * newBitmap.Height);
Bb = b / (newBitmap.Width * newBitmap.Height);
MessageBox.Show("融合图三通道偏差指数" + "\r\n" + "Br:" + Br.ToString() + " " + "Bg:" + Bg.ToString() + " " + "Bb:" + Bb.ToString());
}