/// <summary>
/// Accessor of the details channel of the retina (models foveal vision)
/// </summary>
/// <returns>The details channel of the retina.</returns>
public Image <Bgr, Byte> GetParvo()
{
if (_ptr == IntPtr.Zero)
{
return(null);
}
Image <Bgr, byte> parvo = new Image <Bgr, byte>(_inputSize);
CvInvoke.CvRetinaGetParvo(_ptr, parvo);
return(parvo);
}