/// <summary>
/// Gets the difference between two images as a percentage
/// </summary>
/// <returns>The difference between the two images as a percentage</returns>
/// <param name="image1Path">The path to the first image</param>
/// <param name="image2Path">The path to the second image</param>
/// <param name="threshold">How big a difference (out of 255) will be ignored - the default is 3.</param>
/// <returns>The difference between the two images as a percentage</returns>
public static float GetBhattacharyyaDifference(string image1Path, string image2Path)
{
if (CheckIfFileExists(image1Path) && CheckIfFileExists(image2Path))
{
Image img1 = Image.FromFile(image1Path);
Image img2 = Image.FromFile(image2Path);
float difference = img1.BhattacharyyaDifference(img2);
img1.Dispose();
img2.Dispose();
return(difference);
}
else
{
return(-1);
}
}