April 18, 2012
      
                  
        
  Author(s)
  George W. Quinn,   Patrick J. Grother
 
       
            
    
    
        Iris recognition has the potential to be extremely accurate, but it is highly dependent on the quality of the input data. Iris occlusion, off-axis gaze, blurred images, and iris rotation are common problems that can make recognizing individuals more