Abstract
This paper presents an eye gaze controlled projected display that can be used in aviation and automotive environment as a head up display. We have presented details of the hardware and software used in developing the display and an algorithm to improve performance of point and selection tasks in eye gaze controlled graphical user interface. The algorithm does not require changing layout of an interface; it rather puts a set of hotspots on clickable targets using a Simulated Annealing algorithm. Four user studies involving driving and flight simulators have found that the proposed projected display can improve driving and flying performance and significantly reduce pointing and selection times for secondary mission control tasks compared to existing interaction systems.
Highlights
Modern infotainment systems in automobiles facilitate driving by adding secondary tasks to the primary task of driving
Participants filled up the NASA Task Load Index (TLX) and System Usability Score (SUS) questionnaire
This study found that pointing and selection times can be improved with eye gaze controlled interface compared to Hands On Throttle And Stick (HOTAS) joystick but at the expense of degradation in flying performance by novice users
Summary
Modern infotainment systems in automobiles facilitate driving by adding secondary tasks to the primary task of driving. These secondary tasks have considerable chance to distract a driver from his primary driving task, thereby reducing safety or increasing cognitive workload. Easing out human machine interaction (HMI) between operators and electronic user interfaces in automotive and aviation environments can potentially raise safety and help to leverage the true potential of those systems. The resulting system aims to reduce the number of times operators need to take their eyes off from their primary task of driving or flying and they can interact with the projected display by looking at it or through moving their index finger
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