A System Architecture for Ubiquitous Tracking Environments

Ubiquitous tracking setups, covering large tracking areas with many heterogeneous sensors of varying accuracy, require dedicated middleware to facilitate development of stationary and mobile applications by providing a simple interface and encapsulating the details of sensing, calibration and sensor fusion. In this paper we present a centrally coordinated peer-to-peer architecture for ubiquitous tracking, where a server computes optimal data flow configurations for sensor and application clients, which are directly exchanging tracking data with low latency using a lightweight data flow framework. The server’s decisions are inferred from an actively maintained central spatial relationship graph using spatial relationship patterns. The system is compared to a previous Ubitrack implementation using the highly distributed DWARF middleware. It exhibits significantly better performance in a reference scenario.

• Type: Conference
• Year: 2007
• Where: ISMAR
• Authors: Manuel Huber, Daniel Pustka, Peter Keitler, Florian Echtler, Gudrun Klinker
• Keywords: Augmented Reality, ISMAR 2007, Large Tracking Areas, Ubiquitous Tracking, Ubiquitous Tracking Setups