In 2D interfaces, actions are often represented by fixed tools arranged in menus, palettes, or dedicated parts of a screen, whereas 3D interfaces afford their arrangement at different depths relative to the user and the user can move them relative to each other. In this paper we introduce EyeSeeThrough as a novel interaction technique that utilises eye-tracking in VR. The user can apply an action to an intended object by visually aligning the object with the tool at the line-of-sight, and then issue a confirmation command. The underlying idea is to merge the two-step process of 1) selection of a mode in a menu and 2) applying it to a target, into one unified interaction. We present a user study where we compare the method to the baseline two-step selection. The results of our user study showed that our technique outperforms the two step selection in terms of speed and comfort. We further developed a prototype of a virtual living room to demonstrate the practicality of the proposed technique.
Shahram Jalaliniya is a phD fellow at the It university of Copenhagen, where he is a member of the pervasive Interaction technology (pIt) lab. His research interests include wearable computing, HCI, pervasive computing, and multimodal interaction. Jalaliniya has a master's degrees in information systems from lund university and in software and technology from the It university of Copenhagen. He is a member of IEEE. Contact him at jsha@itu.dk.Thomas Pederson is an associate professor at the It university of Copenhagen, where he is a member of the pervasive Interaction technology (pIt) lab and the Interaction Design Group. His research interests include HCI, contextaware systems, and pervasive/ubiquitous computing. pederson has a phD in computing science from umeå university, sweden. He is a member of the ACm. Contact him at tped@itu.dk.
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