Apple has included APIs to iOS where developers can utilize to search faces within a photo, as mentioned by 9to5Mac. The new potentials are through to be an effect of Apple purchased of Polar Rose last year.
Here, a CIFaceFeature object illustrates a face detected in a picture and its properties impart locations for the Face, eyes and mouth. A CIDetector object utilize image handing out to look for a particular features in a picture.
Folks check out the Polar Rose – Recognizr video: