public object Clone()
{
var clone = new FastRetinaKeypointDescriptor();
clone.Extended = Extended;
clone.Image = Image.Clone();
clone.Integral = (IntegralImage)Integral.Clone();
clone.IsOrientationNormal = IsOrientationNormal;
clone.IsScaleNormal = IsScaleNormal;
clone.pattern = (FastRetinaKeypointPattern)pattern.Clone();
return clone;
}
}