October 11, 2011
      
                  
        
  Author(s)
  Mary F. Theofanos,   Brian C. Stanton,   Yee-Yin  Choong,   Haiying  Guan
 
       
            
    
    
        Compared with traditional password and other identification methods, biometrics like face, iris, and fingerprint for automatic personal identification/verification have many advantages, and are increasingly gaining popularity in all kinds of applications