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Sensors 2015, 15(4), 8642-8663; doi:10.3390/s150408642

Exploring Direct 3D Interaction for Full Horizontal Parallax Light Field Displays Using Leap Motion Controller

1
Holografika, Baross u. 3. H-1192 Budapest, Hungary
2
Faculty of Information Technology, Pazmany Peter Catholic University, Prater u. 50/a, Budapest 1083, Hungary
3
Faculty of Electrical Engineering, University of Ljubljana, Tržaška 25, Ljubljana 1000, Slovenia
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editors: Gianluca Paravati and Valentina Gatteschi
Received: 12 January 2015 / Revised: 26 March 2015 / Accepted: 31 March 2015 / Published: 14 April 2015
(This article belongs to the Special Issue HCI In Smart Environments)
View Full-Text   |   Download PDF [3534 KB, uploaded 14 April 2015]   |  

Abstract

This paper reports on the design and evaluation of direct 3D gesture interaction with a full horizontal parallax light field display. A light field display defines a visual scene using directional light beams emitted from multiple light sources as if they are emitted from scene points. Each scene point is rendered individually resulting in more realistic and accurate 3D visualization compared to other 3D displaying technologies. We propose an interaction setup combining the visualization of objects within the Field Of View (FOV) of a light field display and their selection through freehand gesture tracked by the Leap Motion Controller. The accuracy and usefulness of the proposed interaction setup was also evaluated in a user study with test subjects. The results of the study revealed high user preference for free hand interaction with light field display as well as relatively low cognitive demand of this technique. Further, our results also revealed some limitations and adjustments of the proposed setup to be addressed in future work. View Full-Text
Keywords: 3D display; light field display; free-hand interaction; direct touch; Leap Motion Controller; human-machine interface (HMI); human-computer interface (HCI) 3D display; light field display; free-hand interaction; direct touch; Leap Motion Controller; human-machine interface (HMI); human-computer interface (HCI)
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Adhikarla, V.K.; Sodnik, J.; Szolgay, P.; Jakus, G. Exploring Direct 3D Interaction for Full Horizontal Parallax Light Field Displays Using Leap Motion Controller. Sensors 2015, 15, 8642-8663.

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