Exploring Pseudo-Weight in Augmented Reality Extended Displays

Augmented reality (AR) allows us to wear virtual displays that are registered to our bodies and devices. Such virtually extendable displays, or AR extended displays (AREDs), provide personal display space and are free from physical restrictions. Existing work has explored the new design space to improve user experience and efficiency. Contrary to this direction, we focus on the weight that the user perceives from AREDs, even though they are virtual and have no physical weight. Our user study results show evidence that AREDs can be a source of pseudo-weight, in addition to that of a handheld physical display device. We also systematically evaluate the perceived weight changes depending on the layout and delay in the visualization system. These findings are similar to those in existing pseudo-haptics research. However, we found such behavior in pseudo-weight for a real device and virtual visual stimuli in the air, which differentiates our research from previous work.