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public static bool IsBlankImage(byte[] imageData)
{
//some image color :#C49A6A, rgb(196,154,106)
var colorBlank = Color.FromArgb(196, 154, 106);
using (var ms = new MemoryStream(imageData))
{
var image = Image.FromStream(ms);
var bmp = new Bitmap(image);
var color1 = bmp.GetPixel(0, 1);
var color2 = bmp.GetPixel(bmp.Width / 2, bmp.Height / 2);
var color3 = bmp.GetPixel(bmp.Width / 4, bmp.Height / 4);
if (color1 == colorBlank && color2 == colorBlank && color3 == colorBlank)
{
return false;
}
return true;
}
}