Awase-E: Image-based Authentication System

There is a trade-off between security and usability in user authentication for mobile phones. Since such devices have a poor input interfaces, 4-digit number passwords are widely used at present. Therefore, a more secure and user friendly authentication is needed. This paper proposes a novel authentication method called "Awase-E." The system uses image passwords. It, moreover, integrates image registration and notification interfaces. Image registration enables users to use their favorite image instead of a text password. Notification gives users a trigger to take action against a threat when it happens. Awase-E is implemented so that it has a higher usability even when it is used through a mobile phone.


  1. 1.Tetsuji Takada, Hideki Koike, Awase-E: image-based authentication for mobile phone using user’s favorite images, fifth Int’l Symp. on Human computer interaction with mobile devices and services (MobileHCI2003), Springer, pp.347-351, 2003.

  2. 2.Tetsuji TAKADA,Takehito ONUKI,Hideki KOIKE, Awase-E: Recognition-based Image Authentication Scheme Using Users' Personal Photographs, IEEE 3rd Intl. Conf. on Innovations in Information Technology (IIT 2006), 2006.