Promoted Motion-Sensing Gestural Interaction by Adapting to Group Users' Spatial Movements

Abstract

Large displays are weak in providing sufficient access efficiency and input precision in gestural interaction. In particular, in multi-user situations when equal access efficiency and high precision are required, the weak of large displays becomes more obstructive. In order to address access efficiency and precision issues in both single-and multi-user situations, a walk-to-point technique is proposed. To evaluate the effectiveness, the new technique is compared to the traditional laser pointing method in terms of efficiency, precision and usability. The results showed that the new pointing technique outperformed the traditional laser pointing in both efficiency and precision, the smaller target size the more obvious superiority of the new technique. The new technique is also verified to be effective in providing equal access efficiency and precision to group users. Furthermore, the new technique achieves good result in usability evaluation.