Eye-Tracking in Interactive Virtual Environments: Implementation and Evaluation
| Authors | |
|---|---|
| Year of publication | 2022 |
| Type | Article in Periodical |
| Magazine / Source | Applied Sciences |
| MU Faculty or unit | |
| Citation | |
| Web | https://www.mdpi.com/2076-3417/12/3/1027 |
| Doi | http://dx.doi.org/10.3390/app12031027 |
| Keywords | eye-tracking; virtual reality; eye-tracking algorithms; data collection; data visualization; dynamic environments; interactive environments |
| Attached files | |
| Description | Not all eye-tracking methodology and data processing are equal. While the use of eye-tracking is intricate because of its grounding in visual physiology, traditional 2D eye-tracking methods are supported by software, tools, and reference studies. This is not so true for eye-tracking methods applied in virtual reality (imaginary 3D environments). Previous research regarded the domain of eye-tracking in 3D virtual reality as an untamed realm with unaddressed issues. The present paper explores these issues, discusses possible solutions at a theoretical level, and offers example implementations. The paper also proposes a workflow and software architecture that encompasses an entire experimental scenario, including virtual scene preparation and operationalization of visual stimuli, experimental data collection and considerations for ambiguous visual stimuli, post-hoc data correction, data aggregation, and visualization. The paper is accompanied by examples of eye-tracking data collection and evaluation based on ongoing research of indoor evacuation behavior. |
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