Over the last days I have worked on the integration of this great functionality into face owner.
I have to say that it works really badly :), but it is an start. The library that I’m using is from the people of Intel, opencv (Open computer vision library).
From now on, what I have to do is to create an enormous faces database, to be able of enable more accurate detections by the library.
If you are willing to help me, then add a photo and make a perfect rectangle around the face