Abstract
Utilizing the novel User Interface (UI) technology of Augmented Reality (AR) in mobile phones provides significant advantages for Location Based Social Networks (LBSN) via powerful UI that allows the user to see the world through AR view rather than via a traditional map view. Compared to use of a map based interface, it is much easier for the user to understand where the nearby friends and points of interests are located when using a mobile AR interface to access the information of LBSN services. Recent development in the commercially available high end mobile phones has made it a viable device to use globally available AR services, but there still exist some limitations when it comes to LBSN services. Especially demanding is the need to include constantly moving friends reliably and accurately as annotated objects into the AR view of a user. In this article we show for the first time that mobile phones can be utilized to create mobile AR based LBSN services and create an experimental system to validate this. We present the most important use cases of the mobile AR based LBSN services, define the key requirements for the system, and analyze how the current high end mobile phones meet these. We point out the main challenges in position and orientation accuracy, data transfer and power consumption, as well as solutions to improve these. We present results from end-user studies and our experimental system we have created to study mobile AR interface for the LBSN services, and conclude that the mobile phones can be used for creation of these services when the key challenges are resolved
Highlights
Augmented Reality (AR) is one of the most promising new User Interface (UI) technologies for applications in mobile phones and other similar devices
In this article we show that mobile AR is suitable for creation of Location Based Social Networks (LBSN) services using commercially available high end mobile phone devices
We have shown that the most feasible path towards consumer mobile AR services is achieved via implementing the services using mobile phone devices, and determined the basic requirements for the devices [6], [7], [10]
Summary
Augmented Reality (AR) is one of the most promising new User Interface (UI) technologies for applications in mobile phones and other similar devices. In the existing mobile AR implementations for mobile phones, such as Layar [12], the objects of interest are stationary, which makes their implementation easier, and requirements for data transmission less demanding than in mobile AR based LBSN services In another type of AR application, the Google Goggles [13], mobile phone is used for taking a picture of a real world object, which is used for searching further information about it. We first have a look into LBSN and mobile AR at their current state, after that we discuss what mobile AR user interface means for the LBSN services, and determine basic requirements for creation of mobile AR services with good user experience With these requirements, it is possible to benchmark new mobile AR services and to validate if their performance is satisfactory for providing the desired experience. We benchmark our experimental system against the defined basic requirements and show that current high end mobile phones allow implementation of mobile AR LBSN services, but can not yet provide good user experience in all conditions
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