Multi-User Augmented Reality with Communication Efficient and Spatially Consistent Virtual Objects Xukan Ran Carter Slocum Yi-Zhen Tsai Computer Science & Engineering Computer Science & Engineering Computer Science & Engineering University of California, Riverside University of California, Riverside University of California, Riverside Riverside, CA, USA Riverside, CA, USA Riverside, CA, USA
[email protected] [email protected] [email protected] Kittipat Apicharttrisorn Maria Gorlatova Jiasi Chen Computer Science & Engineering Electrical & Computer Engineering Computer Science & Engineering University of California, Riverside Duke University University of California, Riverside Riverside, CA, USA Durham, NC, USA Riverside, CA, USA
[email protected] [email protected] [email protected] Abstract ACM Reference Format: Multi-user augmented reality (AR), where multiple co-located Xukan Ran, Carter Slocum, Yi-Zhen Tsai, Kittipat Apicharttrisorn, Maria users view a common set of virtual objects, is becoming increas- Gorlatova, and Jiasi Chen. 2020. Multi-User Augmented Reality with Com- munication Efficient and Spatially Consistent Virtual Objects. In The 16th ingly popular. For example, Google Just a Line allows multiple International Conference on emerging Networking EXperiments and Technolo- users to draw virtual graffiti in the same physical space. Multi-user gies (CoNEXT ’20), December 1–4, 2020, Barcelona, Spain. ACM, New York, AR requires network communications in order to coordinate the NY, USA, 13 pages. https://doi.org/10.1145/3386367.3431312 positions of the virtual objects on each user’s display, yet there is currently little understanding of how such apps communicate. In this work, we address this key gap in knowledge by showing 1 Introduction that the communicated data directly impacts the latency and posi- Augmented Reality (AR) applications have recently exploded tioning of the virtual objects rendered on the users’ displays.