Eye-gaze may potentially be used for steering wheelchairs or robots and thereby support independence in choosing where to move. This paper investigates the feasibility of gaze-controlled interfaces. We present an experiment with wheelchair control in a simulated, virtual reality (VR) driving experiment and a field study with five people using wheelchairs. In the VR experiment, three control interfaces were tested by 18 able-bodied subjects: (i) dwell buttons for direction commands on an overlay display, (ii) steering by continuous gaze point assessment on the ground plane in front of the driver, and (iii) waypoint navigation to targets placed on the ground plane. Results indicate that the waypoint method had superior performance, and it was also most preferred by the users, closely followed by the continuous-control interface. However, the field study revealed that our wheelchair users felt uncomfortable and excluded when they had to look down at the floor to steer a vehicle. Hence, our VR testing had a simplified representation of the steering task and ignored an important part of the use-context. In the discussion, we suggest potential improvements of simulation-based design of wheelchair gaze control interfaces.
Exploring Eye-Gaze Wheelchair Control
2020-01-01
Araujo , J M , Zhang , G , Hansen , J P P & Puthusserypady , S 2020 , Exploring Eye-Gaze Wheelchair Control . in Proceedings of ACM Symposium on Eye Tracking Research and Applications . , 16 , Association for Computing Machinery , Acm Symposium on Eye Tracking Research and Applications , pp. 1-8 , ACM Symposium on Eye Tracking Research and Applications , Stuttgart , Baden-Württemberg , Germany , 02/06/2020 . https://doi.org/10.1145/3379157.3388933
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Gaze interaction , Eye-tracking , Gaze control , Vehicle control , Wheelchair , Virtual reality , Simulation , Human-robot interaction , Locked-in syndrome , Amyotrophic lateral sclerosis Amyotrophic Lateral Sclerosis (MeSH) nervous system disease , muscle disease pathology , ALS/MND , /dk/atira/pure/sustainabledevelopmentgoals/good_health_and_well_being , name=SDG 3 - Good Health and Well-being
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