internal static extern IntPtr CvRetinaCreate( Size inputSize, [MarshalAs(CvInvoke.BoolMarshalType)] bool colorMode, Retina.ColorSamplingMethod colorSamplingMethod, [MarshalAs(CvInvoke.BoolMarshalType)] bool useRetinaLogSampling, double reductionFactor, double samplingStrength);
internal static extern void CvRetinaSetParameters(IntPtr retina, ref Retina.RetinaParameters parameters);