期刊
APPLIED SCIENCES-BASEL
卷 11, 期 16, 页码 -出版社
MDPI
DOI: 10.3390/app11167515
关键词
augmented reality; campus navigation; ARCore; high-precision localization; Unity3D; VIO (visual inertial odometry)
The paper introduces an ARCore-based augmented reality campus navigation system, which utilizes AR technology and visual inertial ranging algorithm to achieve real-time positioning of 3D information and map generation, enhancing user navigation experience. Experimental results demonstrate the effectiveness and usability of the system for campus learning.
Currently, the route planning functions in 2D/3D campus navigation systems in the market are unable to process indoor and outdoor localization information simultaneously, and the UI experiences are not optimal because they are limited by the service platforms. An ARCore-based augmented reality campus navigation system is designed in this paper in order to solve the relevant problems. Firstly, the proposed campus navigation system uses ARCore to enhance reality by presenting 3D information in real scenes. Secondly, a visual inertial ranging algorithm is proposed for real-time locating and map generating in mobile devices. Finally, rich Unity3D scripts are designed in order to enhance users' autonomy and enjoyment during navigation experience. In this paper, indoor navigation and outdoor navigation experiments are carried out at the Lingang campus of Shanghai University of Electric Power. Compared with the AR outdoor navigation system of Gaode, the proposed AR system can achieve increased precise outdoor localization by deploying the visual inertia odometer on the mobile phone and realizes the augmented reality function of 3D information and real scene, thus enriching the user's interactive experience. Furthermore, four groups of students have been selected for system testing and evaluation. Compared with traditional systems, such as Gaode map or Internet media, experimental results show that our system could facilitate the effectiveness and usability of learning on campus.
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