Eye-Tracking in Interactive Virtual Environments: Implementation and Evaluation

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...

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Veröffentlicht in:Applied sciences Jg. 12; H. 3; S. 1027
Hauptverfasser: Ugwitz, Pavel, Kvarda, Ondřej, Juříková, Zuzana, Šašinka, Čeněk, Tamm, Sascha
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Basel MDPI AG 01.02.2022
Schlagworte:
3-D graphics
Accuracy
Algorithms
Blood pressure
data collection
data visualization
dynamic environments
Eye movements
eye-tracking
eye-tracking algorithms
Physiology
Software
Spatial data
Virtual reality
ISSN:2076-3417, 2076-3417
Online-Zugang:Volltext
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Beschreibung
Zusammenfassung: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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ISSN:2076-3417
2076-3417
DOI:10.3390/app12031027