KeyGlasses : Semi-transparent keys to optimize text input on virtual keyboard

Mathieu Raynal (1) , Nadine Vigouroux (1, 2)

1 IRIT-ELIPSE - Etude de L’Interaction Personne SystèmE
2 CNRS - Centre National de la Recherche Scientifique

This article presents a system of optimization for soft keyboard. It rests on the dynamic addition of semi-transparent keys.These one are given according to previously keyboarded characters and thanks to a predictive system. In this paper, we will describe the principle of our system and its architecture. Then, we given the first results of modeling and experiments. A model of expert user performance with this system let hope a profit at least 30% of the text entry speed. To verify this profit, we conducted 2 experiments : one with valid subject and another with motor disabled subject. The first one enable us to conclude on the decrease of distance needed in order to keyboard a word. The second show that our system enable motor disabled subject to increase text input speed about 70% of the words. words.

Mots clés: optimization; prediction; virtual keyboard

Domaines: Interface homme-machine [cs.HC]

Mathieu Raynal, Nadine Vigouroux. KeyGlasses : Semi-transparent keys to optimize text input on virtual keyboard. 8th European conference for the advancement of assistive technology in europe (AAATE 2005), Sep 2005, Lille, France. ⟨hal-01758324⟩