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An analysis of eye-tracking data in foveated ray tracing

  • We present an analysis of eye tracking data produced during a quality-focused user study of our own foveated ray tracing method. Generally, foveated rendering serves the purpose of adapting actual rendering methods to a user’s gaze. This leads to performance improvements which also allow for the use of methods like ray tracing, which would be computationally too expensive otherwise, in fields like virtual reality (VR), where high rendering performance is important to achieve immersion, or fields like scientific and information visualization, where large amounts of data may hinder real-time rendering capabilities. We provide an overview of our rendering system itself as well as information about the data we collected during the user study, based on fixation tasks to be fulfilled during flights through virtual scenes displayed on a head-mounted display (HMD). We analyze the tracking data regarding its precision and take a closer look at the accuracy achieved by participants when focusing the fixation targets. This information is then put into context with the quality ratings given by the users, leading to a surprising relation between fixation accuracy and quality ratings.

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Metadaten
Document Type:Conference Object
Language:English
Parent Title (English):Burch, Chuang et al. (Eds.): Proceedings of the Second Workshop on Eye Tracking and Visualization, ETVIS. Baltimore, MD, USA, 23-23 Oct. 2016
First Page:69
Last Page:73
ISBN:978-1-5090-4731-4
DOI:https://doi.org/10.1109/ETVIS.2016.7851170
Publisher:IEEE
Publication year:2016
Tag:Ray Tracing; eye-tracking; foveated rendering
Departments, institutes and facilities:Fachbereich Informatik
Institute of Visual Computing (IVC)
Dewey Decimal Classification (DDC):0 Informatik, Informationswissenschaft, allgemeine Werke / 00 Informatik, Wissen, Systeme / 004 Datenverarbeitung; Informatik
Entry in this database:2017/03/02