/// <summary>
/// Updates a FaceRecognizer with given data and associated labels.
/// </summary>
/// <param name="images">The training images, that means the faces you want to learn. The data has to be given as a VectorOfMat.</param>
/// <param name="labels">The labels corresponding to the images</param>
public void Update(IInputArray images, IInputArray labels)
{
using (InputArray iaImages = images.GetInputArray())
using (InputArray iaLabels = labels.GetInputArray())
ContribInvoke.CvFaceRecognizerUpdate(_ptr, iaImages, iaLabels);
}