Eddie,
While I can't answer your question, I can tell you that some authentication projects are moving in that direction (biometrics). Here's one by Sean Marx: http://ilite.wordpress.com/2014/06/13/moodle-login-using-face-recognition/
Eddie,
While I can't answer your question, I can tell you that some authentication projects are moving in that direction (biometrics). Here's one by Sean Marx: http://ilite.wordpress.com/2014/06/13/moodle-login-using-face-recognition/