GE-Simulator: An Open-Source Tool for Simulating Real-Time Errors for HMD-based Eye Trackers

ETRA '23: Proceedings of the 2023 Symposium on Eye Tracking Research and Applications(2023)

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Abstract
As eye tracking in augmented and virtual reality (AR/VR) becomes established, it will be used by broader demographics, increasing the likelihood of tracking errors. Therefore, it is important when designing eye tracking applications or interaction techniques to test them at different signal quality levels to ensure they function for as many people as possible. We present GE-Simulator, a novel open-source Unity toolkit that allows the simulation of accuracy, precision, and data loss errors during real-time usage by adding gaze vector errors into the gaze vector from the head-mounted AR/VR eye tracker. The tool is customisable without having to change the source code and changes in eye tracking errors during and in-between usage. Our toolkit allows designers to prototype new applications at different levels of eye tracking in the early phases of design and can be used to evaluate techniques with users at varying signal quality levels.
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Key words
Eye Tracking,Data Quality,Toolkit,Accuracy,Precision,Data Loss
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