Effects of Configuration of Optical Combiner on Near-Field Depth Perception in Optical See-Through Head-Mounted Displays

IEEE Transactions on Visualization and Computer Graphics
Sangyoon Lee, Hong Hua

Abstract

The ray-shift phenomenon means the apparent distance shift in the display image plane between virtual and physical objects. It is caused by the difference in the refraction of virtual display and see-through optical paths derived from optical combiners that are necessary to provide a see-through capability in optical see-through head-mounted displays. In this work, through a human-subject experiment, we investigated the effects of ray-shift phenomenon induced by the optical combiner on depth perception for near-field distances (40 cm-100 cm). In our experiment, we considered three different configurations of optical combiner: horizontal-tilt and vertical-tilt configurations (using plate beamsplitters horizontally and vertically tilted by 45°, respectively), and non-tilt configuration (using rectangular solid waveguides). Participants' depth perception errors in these configurations were compared with those in an ordinary condition (i.e., the condition where physical objects are directly shown without the displays) and theoretically estimated ones. According to the experimental results, the measured percentage depth perception errors were similar to the theoretically estimated ones, where the amount of estimated percentage depth...Continue Reading

References

Sep 7, 2001·Human Factors·S R Ellis, B M Menges
May 20, 2008·Journal of Vision·David M HoffmanMartin S Banks
Mar 10, 2012·IEEE Transactions on Visualization and Computer Graphics·Falko KellnerReinhard Koch
Sep 12, 2015·IEEE Transactions on Visualization and Computer Graphics·Yuta Itoh, Gudrun Klinker
Apr 6, 2016·IEEE Transactions on Visualization and Computer Graphics·Sangyoon LeeHong Hua

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