H4PLock is a mobile lock screen which employs sequences of user-generated invisible gestures performed on one or more of four quadrants on a mobile screen.
I developed a lock screen emulator Android app using the Android Development Kit in JAVA.
I designed and ran user studies.
I was the lead author on an iConference paper.
University of Maryland Baltimore County (UMBC).
Ali, Abdullah; Kuber, Ravi; Aviv, Adam J. “Developing and Evaluating a Gestural and Tactile Mobile Interface to Support User Authentication”. iConference 2016
Abdullah Ali, Ravi Kuber, Adam J. Aviv. (2015) “H4Plock: Supporting Mobile User Authentication through Gestural Input and Tactile Output” The Symposium on Usable Privacy and Security 2015