A Two-Level Highlighting technique based on gaze direction to improve targets pointing and selection on a big touch screen - Archive ouverte HAL Access content directly
Journal Articles Multimodal Technologies and Interaction Year : 2024

A Two-Level Highlighting technique based on gaze direction to improve targets pointing and selection on a big touch screen

Abstract

In this paper we present an approach to improve pointing methods and target selection on tactile human-machine interfaces. This approach defines a two-level highlighting technique (TLH) based on the direction of gaze for target selection on a touch screen. The technique uses the orientation of the user’s head to approximate the direction of his gaze and uses this information to preselect the potential targets. An experimental system with a multimodal interface has been prototyped to assess the impact of TLH on target selection on a touch screen, to compare its performance with that of traditional methods (mouse and touch). We conducted an experiment to assess the effectiveness of our proposition in terms of rate of selection errors made and time for completion of the task. We also made a subjective estimation of ease of use, suitability for selection, confidence brought by the TLH, and contribution of TLH to improving the selection of targets. Statistical results show that the proposed TLH significantly reduces the selection error rate and the time to complete tasks.
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Dates and versions

hal-04529259 , version 1 (02-04-2024)

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Valéry Marcial Monthe, Thierry Duval. A Two-Level Highlighting technique based on gaze direction to improve targets pointing and selection on a big touch screen. Multimodal Technologies and Interaction, 2024, 8 (4), pp.29. ⟨10.3390/mti8040029⟩. ⟨hal-04529259⟩
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