• Confidentiality of 2D Code using Infrared with Cell-level Error Correction 

      Teraura, Nobuyuki; Sakurai, Kouichi (International Journal of Interactive Multimedia and Artificial Intelligence (IJIMAI), 03/2013)
      Optical information media printed on paper use printing materials to absorb visible light. There is a 2D code, which may be encrypted but also can possibly be copied. Hence, we envisage an information medium that cannot ...