One-handed text entry in mobile-based virtual reality: an ambiguous keyboard technique

Abstract

This paper presents a text entry technique for mobile-based VR on a one-handed ambiguous keyboard. The one-handed keyboard prototype comprises an alternative 16 keys (4 × 4) custom mechanical keyboard with strong tactile bump switches, 3D printed adapted keycaps, and a camera to track which keys the user’s fingers are hovering over. This technique is an intuitive and user-centered solution that focuses on providing visual and tactile feedback in real-time, improving the typing experience and performance. For demonstration purposes, additional devices—a Samsung Galaxy S8, a Samsung Gear VR headset, and a VR hand controller—were used alongside the designed keyboard prototype. This technique has shown to be a potential extension or alternative for short-term text entry compared to standard mobile VR ray-casting selection techniques. Improvements and empirical comparisons based on user studies will compose the next stages of this research.

Publication
In Advances in Usability, User Experience, Wearable and Assistive Technology (Lecture Notes in Networks and Systems 275). T. Z. Ahram and C. S. Falcão, Eds. Cham, Switzerland: Springer, pp. 310–318
Eduardo G. Q. Palmeira
Eduardo G. Q. Palmeira
Doctoral Candidate

My research is focused primarily on human factors in text input techniques for Virtual Reality.